What hardware?
Are these terms familiar to you? Monitor RAM, CD player, CPU, graphic cards are all hardware, or more accurately, computer hardware. These components make up a computer, working together with computer software to make a computer work.
Simply put, the hardware is tangible parts of your computer, you can touch shares, feel and so on.
Hardware Failures
As mentioned before, hardware and software work together to form a fully functional system, in theory. However, rarely do you get a fully functional system all the time. There will almost certainly be malfunction of hardware, be it within the electronic circuits or even the whole component itself. Sometimes, the originating factor of the hardware failure is not the components of the system itself, but due to outside factors such as environmental disasters like fire, earthquakes and lightning storm.
Recovery of failed hardware components is not a big problem by itself. It is basically identifying and replacing the problematic component. However, hardware failures are most deadly, when it affects affecting daily routine and critical business or personal data. This is especially true of the most important component of a computer system when it comes to storage of data, the hard disk.
The following is a list of common hardware failures:
RAM Failures
Power Connector
Hard Disk
Overheating
LCD Failures
Motherboard
USB Box
RAM Failures
Bad RAM is harder to diagnose have similar symptoms as may be problems caused by software, hardware or other problems even motherboard failure. However if you experience any of these symptoms, users should check for bad RAM before attempting any other troubleshooting.
Symptoms:
Windows does start showing different each time error messages.
Windows crashes (blue screen) or freezes frequently.
Windows crashes as soon as you try to start a program.
Unexplained crashes and random freezes without error messages.
Adapter
The common weak spot on any laptop is the DC power jack. If someone trips over the power adapter cable while it is still connected to the laptop, there is a possibility that the high power jack will be severely damaged.
On most laptops, the DC power jack is soldered directly to the motherboard and there are only three or four small pins holding it in place, which makes the power jack rather weak. Any pulling side of the DC power cord while attached to the laptop will usually dislodge at least one of these pins, breaking the solder around it. Modern laptops use quite a lot of power, 70W to 120W about or even more. The bad electrical connection pin dislodged from the sparks will cause heating and that will eventually burn a hole through the motherboard and can even be a fire hazard.
Symptoms which indicates poor contact between the DC power jack and the motherboard:
The battery charging is not properly or stays at half load despite having to use the power adaptor.
The screen flickers (the brightness is changing) while the power cord is plugged in This is caused by the switching between laptop DC power (screen is brighter) and battery power (screen is dimmer).
The DC gets hot plug after a few minutes of use and may even smell of burning.
There are "scratch" sounds coming from the DC jack.
How to test for broken power jack:
1 Remove the battery
2nd Plug in the power cord
Start the 3rd laptop
4th Gently shake the DC power plug on the back of the laptop
If the laptop shuts down abruptly (looses power), find the dealer to re-solder or change the DC power jack as soon as possible as the motherboard has already started to burn around the pins dislodged. The manufacturer might offer to replace the whole motherboard, however the price of a new motherboard together with the labor charge for installing it will usually cost more than the current value of my laptop and the pricing can sometimes can cost over a thousand dollars.
Replacing or re-soldering the DC power jack is not an easy job. It usually takes a few hours depending on the damage and the model of the laptop. To reach the power jack, the laptop has to be completely disassembled the motherboard and have taken out. Then if the board dislodged around the pin is badly burned, jack has the power to be un-soldered and the board has to be patched.
After that a different power jack has to be installed, attached to the case of the laptop with wires and connected to the motherboard, as patched the board would not be strong enough to support the original type of power jack that was soldered directly to the Board.
Hard Disk
Hard disk failures are the most common computer hardware problems. And laptop hard disks fail more often than desktop hard disks due to the portability of a laptop as compared to the rather stagnant laptop. If user hard knock or drop the laptop even a few inches while the hard disk is accessed or being powered up, damage can be done to the hard disk.
Symptoms:
The laptop starts as usual but when Windows starts to load it goes to blue screen with either "UNMOUNTABLE_BOOT_VOLUME", "hal.dll is missing or corrupt" or "WINDOWSSYSTEM32CONFIGSYSTEM" (or similar) is missing or corrupt. All these error messages indicating a problem with the file system. Sometimes it can be fixed by just scan the hard disk for errors. However more than half of these cases indicate that the hard disk is starting to go bad and probably is developing bad sectors.
The laptop starts as usual but freezes on the initial Windows "Windows XP" screen, although the blue bar continues to move, and users are able to hear but continuous clicking feigned. Hard disks have to be replaced.
As soon as the laptop is started there are loud clicks or grinding sounds and not load Windows. Hard disks have to be replaced as well.
Shortly after the departure of a message appears computer (usually on a black screen) "SMART test failed. Backup your data immediately and replace the hard disk or similar. Well, that says it all SMART is a self-test that is build into the hard disk.
In almost all cases the laptop can be started from a "live" bootable CD-ROM and everything works normally. In rare cases, the hard disk of PCB (printed circuit board) may get short circuited and even burn. In this scenario, the laptop does not start unless the hard disk is removed.
A good tool to use to check for hard disk their life expectancy is CCRA's hard disk checker. It will scan the hard disk for bad sectors and inform you if the drive is still of good usability.
Overheating
Overheating happens when inadequate airflow from outside the computer's case across the CPU and motherboard and back out of the box usually via the power supply fan and other case fans.
Once the airflow is disrupted, heat builds up rapidly within the case. This causes components to either shutdown, if such protection is built in or performs erratically. Over the long term, irreversible damage can overheat components.
It is also advisable to keep the computer in a dry and shaded room, which is clean and little dust.
LCD Failures
The most common LCD or "Liquid Crystal Display screen is the inverter failure, cable and backlight.
Symptoms:
The laptop appears to start as usual but the screen is black, if users move it, it turns on and works properly. Failed cable.
The laptop appears to start as usual but the screen is very dark, although it has little changes colour and users can see a very false image. Failed inverter or cable 90% / 10%.
Immediately after starting the screen has dark pink / red tint turns dark and after a few seconds. Failed backlight.
The screen flickers a few times but then turns dark, or if it users move it lightly tap on the sides, flickers it again. Failed cable or LCD 50% / 50%.
Screen is either black or white (no picture) and external monitor works. Failed cable or LCD 30% / 70%.
There are stripes on the screen (either horizontal or vertical) that when users change the screen or move it lightly tap on the sides. Failed cable or LCD 10% / 90%.
Motherboard
Most motherboard related failures are due to the "On-board" regulated supplies and component failure within those circuits. The on-board power supply circuit had failed and was partially overload subsequent components else would be the problem with the defective capacitors which are in the first place.
A failure of the motherboard on a laptop that is out of warranty would usually mean that it's time for a new laptop. The price of a new motherboard is usually higher than the current value of the laptop.
Symptoms:
Plug in the power adaptor and try to start the laptop.
Nothing happens.
The "ON" light comes on the fan spins, but nothing on the screen (black) and you can not hear the HD after working 10-15 sec
The "ON" light comes on the spins fan, but after a few seconds the light goes off
After pressing the "ON" button stays the black screen and you can hear a quiet high-pitched sound coming from the laptop.
Corrupted or improper device drivers and operating system
Invalid or corrupt device drivers can wreck havoc on a server, rendering the system unbootable in some cases. The peripheral drivers may also conflict with certain applications programs and cause problems with the computer system
As Windows Vista has just made its launch, chances are some hardware is not supported or not fully supported by the new operating system
Thus, the system updates, upgrades driver can also fix your hardware problems.
See and updating fixed
Also, it helps (if any) to call the respective support service for help on the driver that is with that particular hardware.
Controller Failure:
A controller failure can act much like a drive failure. However, when a drive fails, users can not access that particular drive; fails when a controller, users can not get access to all the drives, devices and any other components that is attached to that particular controller.
A controller fails because a component or components on the board on the controller fails. When users trying to boot the system, they can not switch on, view, access, or even get messages hardware conflict.
Controller failure occurs due to one of the following reasons:
Devices and components not connected properly
Verify that the cables are properly connecting the device / component to the controller
If the component fits into a slot, the see that it is not in and flushed loosely connected.
Devices and components not properly setup
Verify that the devices / components is being detected and properly setup in the respective controller setup screen
Bad connectors
Replace the bad connectors working with new ones
Bad Components
Replace the Component
Bad interface board or motherboard
It is recommended that these be replaced components that the computer or be sent in for servicing
Hardware Failure: The big question
The big problem, as mentioned earlier, is not repairing or replacing the non-functional hardware, but the time lost, interruptions to daily routine (especially for businesses), and the loss of critical data. If you need a system running at all times, have a backup system as a fail safe, or even two. If users want to ensure that none of their critical data is lost in the event of a hardware problem with their computer, there is only one way to do it - Back up the data as often as possible.
There are many different ways to ensure that the data is backed up, and becomes as technology advances, back up methods become much simpler.
Let's look at a time for a back up what is. Backing up of computer files means that users are making a copy of the data that will be stored somewhere other than on the computer. Everyone should always have a back up of at least the most important files, because anyone should experience a hardware problem, they could still be able to access the files.
Many people do not back up their files, because they Do not Know what they need to back up Start with those files that can not be easily recreated. Then, move on to files to which you make frequent changes just in case you accidentally change something that you should not have. Back up your music collection - because this can be quite expensive to replace in the event of data loss.
In general, best practice is back up to at least the files monthly and more frequently if the users access files regularly.
Chee Ning is currently employed as a web administrator and support staff, at Adroit Data Recovery Centre's laboratory, which is located in Singapore's Science Hub.
With the necessary tools, parts and experience, CCRA seeks to spread the word about data recovery and help people recover data which means so much to them. -- Adroit Data Recovery Centre Pte What hardware?
If these conditions are familiar to you? Monitor RAM, CD-ROM drive, CPU, graphics cards are all material, or better said, the computer equipment. These elements form a computer with the software, a computer to operate.
In other words, the material scope of the computer, you can reach parties, smelling, and so forth.
Hardware Error
As mentioned earlier, the hardware and software cooperate with a view to a fully operational system, in theory. But rarely, you get a fully operational system all the time. It is almost certainly a malfunction of equipment, whether in electronic circuits, or even whole room itself. Sometimes the cause of the error was not material components of the system itself, but because of external factors such as environmental disasters like fires, earthquakes and " storm.
Recovery of the deterioration of hardware components is not a big problem in itself. It is to identify and replace components problematic. However, most deadly equipment failures, if they have an impact on the daily lives and the impact on critical personal or professional. This is particularly true for the main component of a computer system, when it comes to backing up data, hard disk.
Below is a list of most hardware failures:
Error RAM
Power Connector
Hard Disk
Overheat protection
LCD error
Motherboard
USB-Box
Error RAM
Bad RAM is anyway difficult to diagnose because symptoms can be similar for software issues, other hardware problems or motherboard failure. But if you have any of these symptoms occur, the user must verify whether bad memory, before making any mistakes research.
Symptoms:
Windows does not start displaying error messages of all time.
Windows crashes (blue screen) or freezes often.
Windows hangs when trying to start a program.
Unexplained random crashes and freezes without error.
Adapter
The weakness common to a laptop is the DC-female. If someone you travel on the power cord, while he was still in the laptop, there is a high probability that the seizure of power get serious damage.
On most laptops, the DC-welded directly on the motherboard and there are only three or four small pins believes it is in place, which allows the seizure of power rather weak. Each side of the draw DC power cord to the laptop to the limit, as a rule, distribute at least one of those pins, in order to break the weld around. Laptops quite modern with a lot of power, on 70W to 120W, or even more. The bad electrical connection du Pin is distributed achieve what sparks and heat, burning a hole of the lock, for the motherboard and perhaps even a fire hazard.
Symptoms, which showed poor contact between the DC connector and motherboard:
The battery is not properly or hangs on the loading of the cargo, despite an effort to use the power adapter.
The screen flashes (brightness changes), while the power cord is connected, by the passage between the portable DC-Netzteil (screen is brighter) and the Battery life (screen dimmer).
The DC-taking hot after a few minutes of use, and perhaps even the smell of burning.
There are "Scratching" sounds from the DC-female.
As for the evaluation of the assumption of power break:
1 Remove the battery
2nd Plug the cord from the wall socket
Start 3rd Laptop
4th Délicat shake the DC-power connector on the back of the laptop
If the computer stops abruptly (losing power), distributors of re-weld or modify the DC-as soon as possible, the motherboard has already begun to burn at the sight Pins. Producers can offer as a substitute for the entire motherboard, but the price to pay for a new motherboard with the work of the installation fee is usually more expensive than the current value of the laptop and the prices can sometimes cost more than a thousand dollars.
Replace or re-welded the DC-jack is not an easy task. This usually takes a few hours, depending on the damage and model of the laptop. To achieve the power Valet, the laptop must be completely disassembled and on the motherboard. So, if the Board of Trustees to distance around the pin is badly burned, the seizure of power must be a welded-and the mother must be corrected.
After another seizure of power, must be installed where the laptop connected to wires and on the motherboard, as the patches board would not be strong enough to the original nature of the force was taken as welded directly to the board.
Hard Disk
Hard drives failures are common problems, the computer equipment. And hard drives for laptops is not more frequently than desktop hard drives of the portability of a laptop compared to the laptop rather stagnant. When users knock difficult for the laptop, or even a few centimetres, while the hard drive is accessible or loudspeakers, damage can be done to the hard drive.
Symptoms:
The mobile starts as usual, but every Windows startup to download, it is the blue screen, or with "UNMOUNTABLE_BOOT_VOLUME", "hal.dll is missing or damaged" or "WINDOWSSYSTEM32CONFIGSYSTEM" (or similar) is missing or damaged. All these error messages on a file system. Sometimes it can be solved only by analyzing the errors on the hard disk. But more than half of these cases indicate that the hard disk starts to go wrong, and is probably the evolution of bad sectors.
The mobile starts as usual, but Windows freezes on the first "Windows XP" of the video, even if the blue bar continue to move, and users are able to listen, but if he continues to click . Hard drives must be replaced.
Once the computer is started there, according clicks or loops and sounds of Windows is not loaded. Hard drives must be replaced.
Shortly after the start of the laptop will receive a message (typically on a black screen), "SMART test failed. Backups of your data immediately and to replace the hard disk or the like. Well, that says it all. S.M.A.R.T. If a self-assessment, the establishment in the drive.
In almost all cases, the computer can be booted from a "live" bootable CD-ROM, and everything is functioning normally. In rare cases, the hard disk of PCB (Printed Circuit Board) is too short, he turned and burn. In this scenario, the computer will not start unless the hard drive is removed.
A good tool to check if the hard drive is CCRA lifetime of the disk checker. He looks for bad sectors on the hard drive and find out if the player is still good ergonomics.
Overheat protection
Overheating happen when there is not enough air flow from outside the computer in the event of the use of the processor and the motherboard and the back of the rule relating to food fan and the other cases, the fans.
Once the airflow is disturbed, the heat is expanding rapidly in the case. The result is that the elements of the judgement, if such protection is defective or behaves. In the long run, can lead to overheating irreversible damage.
It is also recommended for computers connected to a dry and shady, cleanliness and little dust.
LCD error
The most common methods LCD or "Liquid Crystal Display" failed to display the drive, cable and backlight.
Symptoms:
The laptop seems as usual, but the screen is black, if the user movement, it starts up and properly. Failed cable.
The laptop seems as usual, but the screen is very dark, while there was little change in color and users can very returns an image. Failed cable or 90% / 10%.
Immediately after take-off, the display is turned off pink / red and black is the shade after a few seconds. Failed backlight.
The screen flashes a few times, but then after dark, if users move or press lightly on the sides, it scintillates. Failed cable or LCD-50% / 50%.
Screen is either black or white (no pictures) and external display works. Failed cable or LCD-30% / 70%.
There were scratches on the screen (vertically or horizontally), or if the user on the screen, press lightly on the sides. Failed cable or LCD-10% / 90%.
Motherboard
Most motherboards are failures on the "On-Board regulated delivery successes and failures of these components in the circuits. The on-board fuel system has partly failed, and an overload of the following components if the problem with faulty capacitors in the first place.
A failure of the motherboard on a laptop, which are no longer in the warranty period would normally mean that it was time for a new laptop. The price of a new motherboard is, in general, higher than the current value of the laptop.
Symptoms:
Plug in the power connector and try the laptop.
Nothing happens.
The "ON" light comes on, the fan is running, but nothing on the screen (black), and can not hear the HD work after 10-15 seconds.
The "ON" light comes on, the fan is running, but after a few seconds, the lights dim.
After pressing the "ON" button the screen remains black, and you can hear a high schrillen calm tone of the laptop.
Damaged or inaccurate device drivers and operating system
Invalid or corrupted device drivers can wreck havoc on a server, the system is not made more in some cases. Device Drivers can also be in conflict with some application programs, and problems with the computer system.
Given that Windows Vista has its launch, the chances are some hardware is not supported or not supported entirely by the new operating system.
Also, the system updates, driver updates can also solve your "material" problems.
See the update and updates
In addition, it will help (from time to time) for support services to assist the pilot through this special equipment.
Controller Failure:
A controller can not act as a damaged disk. However, if a drive fails, users who do not have access to the drive, if one controller fails, users can not get access to all readers, appliances and all other specific components to this controller.
A controller fails because a component or components on the board with the controller. If users try to boot the system, they can not running, view, access, hardware, or even new conflict.
Controller error occurs, one of the following reasons:
D'equipment or components that are not connected
Make sure the cables properly the device / component on the controller
If the component to find its place in a home who see that in rinsing, and not in bulk.
D'equipment or components that are not properly
Make sure appliances or components is properly detected, and installation in configuring the video controller
Bad-Ports
Replace the bad connections to new ways of working
Bad components
Replace the component
Bad interface board or motherboard
It is recommended that these elements will be replaced or that the computer and maintenance
Hardware Error: The big question
The big problem, as has already been mentioned above, is not to replace or repair equipment is not functioning, but the lost time, the interruption in the daily routine (especially for companies), and loss of important data. If you have a system under way at any time by a backup system is not safe, or even two. If users want to ensure that they are not his criticism of lost data in the event of a problem with the hardware of the computer, there is only one opportunity to do this - Save data as often as possible .
There are many opportunities to ensure that data saved, and that technological progress is a back-up methods much simpler.
Let us for a moment, what is the backup. Saving files from the computer means that the user a copy of the data to be stored elsewhere on the computer. Everyone should be increasingly a backup of files at the very least the most important, because if someone experiences a hardware problem, they may still be able to access these files.
Many people do not understand their files because they know not what they need to make the backup. Start with the files that are not easy again. Then, proceed to file on the changes that you use frequently in the event that you make a difference, you should not have. Save your music collection - because it can be quite expensive to replace in the event of a loss of data.
Typically, the best practice is a backup of files at least once a month and more frequently if the user access to files regularly.
Chee Ning is currently director of the site and technical support, Adroit Data Recovery Centre laboratory, Singapore Science hub.
With the right tools, spare parts and experience, CCRA seeks to promote spreading the word of data, and assist in rescuing people, data recovery means so much to them. -- Adroit Data Recovery Centre Pte LtdLtd
Are these terms familiar to you? Monitor RAM, CD player, CPU, graphic cards are all hardware, or more accurately, computer hardware. These components make up a computer, working together with computer software to make a computer work.
Simply put, the hardware is tangible parts of your computer, you can touch shares, feel and so on.
Hardware Failures
As mentioned before, hardware and software work together to form a fully functional system, in theory. However, rarely do you get a fully functional system all the time. There will almost certainly be malfunction of hardware, be it within the electronic circuits or even the whole component itself. Sometimes, the originating factor of the hardware failure is not the components of the system itself, but due to outside factors such as environmental disasters like fire, earthquakes and lightning storm.
Recovery of failed hardware components is not a big problem by itself. It is basically identifying and replacing the problematic component. However, hardware failures are most deadly, when it affects affecting daily routine and critical business or personal data. This is especially true of the most important component of a computer system when it comes to storage of data, the hard disk.
The following is a list of common hardware failures:
RAM Failures
Power Connector
Hard Disk
Overheating
LCD Failures
Motherboard
USB Box
RAM Failures
Bad RAM is harder to diagnose have similar symptoms as may be problems caused by software, hardware or other problems even motherboard failure. However if you experience any of these symptoms, users should check for bad RAM before attempting any other troubleshooting.
Symptoms:
Windows does start showing different each time error messages.
Windows crashes (blue screen) or freezes frequently.
Windows crashes as soon as you try to start a program.
Unexplained crashes and random freezes without error messages.
Adapter
The common weak spot on any laptop is the DC power jack. If someone trips over the power adapter cable while it is still connected to the laptop, there is a possibility that the high power jack will be severely damaged.
On most laptops, the DC power jack is soldered directly to the motherboard and there are only three or four small pins holding it in place, which makes the power jack rather weak. Any pulling side of the DC power cord while attached to the laptop will usually dislodge at least one of these pins, breaking the solder around it. Modern laptops use quite a lot of power, 70W to 120W about or even more. The bad electrical connection pin dislodged from the sparks will cause heating and that will eventually burn a hole through the motherboard and can even be a fire hazard.
Symptoms which indicates poor contact between the DC power jack and the motherboard:
The battery charging is not properly or stays at half load despite having to use the power adaptor.
The screen flickers (the brightness is changing) while the power cord is plugged in This is caused by the switching between laptop DC power (screen is brighter) and battery power (screen is dimmer).
The DC gets hot plug after a few minutes of use and may even smell of burning.
There are "scratch" sounds coming from the DC jack.
How to test for broken power jack:
1 Remove the battery
2nd Plug in the power cord
Start the 3rd laptop
4th Gently shake the DC power plug on the back of the laptop
If the laptop shuts down abruptly (looses power), find the dealer to re-solder or change the DC power jack as soon as possible as the motherboard has already started to burn around the pins dislodged. The manufacturer might offer to replace the whole motherboard, however the price of a new motherboard together with the labor charge for installing it will usually cost more than the current value of my laptop and the pricing can sometimes can cost over a thousand dollars.
Replacing or re-soldering the DC power jack is not an easy job. It usually takes a few hours depending on the damage and the model of the laptop. To reach the power jack, the laptop has to be completely disassembled the motherboard and have taken out. Then if the board dislodged around the pin is badly burned, jack has the power to be un-soldered and the board has to be patched.
After that a different power jack has to be installed, attached to the case of the laptop with wires and connected to the motherboard, as patched the board would not be strong enough to support the original type of power jack that was soldered directly to the Board.
Hard Disk
Hard disk failures are the most common computer hardware problems. And laptop hard disks fail more often than desktop hard disks due to the portability of a laptop as compared to the rather stagnant laptop. If user hard knock or drop the laptop even a few inches while the hard disk is accessed or being powered up, damage can be done to the hard disk.
Symptoms:
The laptop starts as usual but when Windows starts to load it goes to blue screen with either "UNMOUNTABLE_BOOT_VOLUME", "hal.dll is missing or corrupt" or "WINDOWSSYSTEM32CONFIGSYSTEM" (or similar) is missing or corrupt. All these error messages indicating a problem with the file system. Sometimes it can be fixed by just scan the hard disk for errors. However more than half of these cases indicate that the hard disk is starting to go bad and probably is developing bad sectors.
The laptop starts as usual but freezes on the initial Windows "Windows XP" screen, although the blue bar continues to move, and users are able to hear but continuous clicking feigned. Hard disks have to be replaced.
As soon as the laptop is started there are loud clicks or grinding sounds and not load Windows. Hard disks have to be replaced as well.
Shortly after the departure of a message appears computer (usually on a black screen) "SMART test failed. Backup your data immediately and replace the hard disk or similar. Well, that says it all SMART is a self-test that is build into the hard disk.
In almost all cases the laptop can be started from a "live" bootable CD-ROM and everything works normally. In rare cases, the hard disk of PCB (printed circuit board) may get short circuited and even burn. In this scenario, the laptop does not start unless the hard disk is removed.
A good tool to use to check for hard disk their life expectancy is CCRA's hard disk checker. It will scan the hard disk for bad sectors and inform you if the drive is still of good usability.
Overheating
Overheating happens when inadequate airflow from outside the computer's case across the CPU and motherboard and back out of the box usually via the power supply fan and other case fans.
Once the airflow is disrupted, heat builds up rapidly within the case. This causes components to either shutdown, if such protection is built in or performs erratically. Over the long term, irreversible damage can overheat components.
It is also advisable to keep the computer in a dry and shaded room, which is clean and little dust.
LCD Failures
The most common LCD or "Liquid Crystal Display screen is the inverter failure, cable and backlight.
Symptoms:
The laptop appears to start as usual but the screen is black, if users move it, it turns on and works properly. Failed cable.
The laptop appears to start as usual but the screen is very dark, although it has little changes colour and users can see a very false image. Failed inverter or cable 90% / 10%.
Immediately after starting the screen has dark pink / red tint turns dark and after a few seconds. Failed backlight.
The screen flickers a few times but then turns dark, or if it users move it lightly tap on the sides, flickers it again. Failed cable or LCD 50% / 50%.
Screen is either black or white (no picture) and external monitor works. Failed cable or LCD 30% / 70%.
There are stripes on the screen (either horizontal or vertical) that when users change the screen or move it lightly tap on the sides. Failed cable or LCD 10% / 90%.
Motherboard
Most motherboard related failures are due to the "On-board" regulated supplies and component failure within those circuits. The on-board power supply circuit had failed and was partially overload subsequent components else would be the problem with the defective capacitors which are in the first place.
A failure of the motherboard on a laptop that is out of warranty would usually mean that it's time for a new laptop. The price of a new motherboard is usually higher than the current value of the laptop.
Symptoms:
Plug in the power adaptor and try to start the laptop.
Nothing happens.
The "ON" light comes on the fan spins, but nothing on the screen (black) and you can not hear the HD after working 10-15 sec
The "ON" light comes on the spins fan, but after a few seconds the light goes off
After pressing the "ON" button stays the black screen and you can hear a quiet high-pitched sound coming from the laptop.
Corrupted or improper device drivers and operating system
Invalid or corrupt device drivers can wreck havoc on a server, rendering the system unbootable in some cases. The peripheral drivers may also conflict with certain applications programs and cause problems with the computer system
As Windows Vista has just made its launch, chances are some hardware is not supported or not fully supported by the new operating system
Thus, the system updates, upgrades driver can also fix your hardware problems.
See and updating fixed
Also, it helps (if any) to call the respective support service for help on the driver that is with that particular hardware.
Controller Failure:
A controller failure can act much like a drive failure. However, when a drive fails, users can not access that particular drive; fails when a controller, users can not get access to all the drives, devices and any other components that is attached to that particular controller.
A controller fails because a component or components on the board on the controller fails. When users trying to boot the system, they can not switch on, view, access, or even get messages hardware conflict.
Controller failure occurs due to one of the following reasons:
Devices and components not connected properly
Verify that the cables are properly connecting the device / component to the controller
If the component fits into a slot, the see that it is not in and flushed loosely connected.
Devices and components not properly setup
Verify that the devices / components is being detected and properly setup in the respective controller setup screen
Bad connectors
Replace the bad connectors working with new ones
Bad Components
Replace the Component
Bad interface board or motherboard
It is recommended that these be replaced components that the computer or be sent in for servicing
Hardware Failure: The big question
The big problem, as mentioned earlier, is not repairing or replacing the non-functional hardware, but the time lost, interruptions to daily routine (especially for businesses), and the loss of critical data. If you need a system running at all times, have a backup system as a fail safe, or even two. If users want to ensure that none of their critical data is lost in the event of a hardware problem with their computer, there is only one way to do it - Back up the data as often as possible.
There are many different ways to ensure that the data is backed up, and becomes as technology advances, back up methods become much simpler.
Let's look at a time for a back up what is. Backing up of computer files means that users are making a copy of the data that will be stored somewhere other than on the computer. Everyone should always have a back up of at least the most important files, because anyone should experience a hardware problem, they could still be able to access the files.
Many people do not back up their files, because they Do not Know what they need to back up Start with those files that can not be easily recreated. Then, move on to files to which you make frequent changes just in case you accidentally change something that you should not have. Back up your music collection - because this can be quite expensive to replace in the event of data loss.
In general, best practice is back up to at least the files monthly and more frequently if the users access files regularly.
Chee Ning is currently employed as a web administrator and support staff, at Adroit Data Recovery Centre's laboratory, which is located in Singapore's Science Hub.
With the necessary tools, parts and experience, CCRA seeks to spread the word about data recovery and help people recover data which means so much to them. -- Adroit Data Recovery Centre Pte What hardware?
If these conditions are familiar to you? Monitor RAM, CD-ROM drive, CPU, graphics cards are all material, or better said, the computer equipment. These elements form a computer with the software, a computer to operate.
In other words, the material scope of the computer, you can reach parties, smelling, and so forth.
Hardware Error
As mentioned earlier, the hardware and software cooperate with a view to a fully operational system, in theory. But rarely, you get a fully operational system all the time. It is almost certainly a malfunction of equipment, whether in electronic circuits, or even whole room itself. Sometimes the cause of the error was not material components of the system itself, but because of external factors such as environmental disasters like fires, earthquakes and " storm.
Recovery of the deterioration of hardware components is not a big problem in itself. It is to identify and replace components problematic. However, most deadly equipment failures, if they have an impact on the daily lives and the impact on critical personal or professional. This is particularly true for the main component of a computer system, when it comes to backing up data, hard disk.
Below is a list of most hardware failures:
Error RAM
Power Connector
Hard Disk
Overheat protection
LCD error
Motherboard
USB-Box
Error RAM
Bad RAM is anyway difficult to diagnose because symptoms can be similar for software issues, other hardware problems or motherboard failure. But if you have any of these symptoms occur, the user must verify whether bad memory, before making any mistakes research.
Symptoms:
Windows does not start displaying error messages of all time.
Windows crashes (blue screen) or freezes often.
Windows hangs when trying to start a program.
Unexplained random crashes and freezes without error.
Adapter
The weakness common to a laptop is the DC-female. If someone you travel on the power cord, while he was still in the laptop, there is a high probability that the seizure of power get serious damage.
On most laptops, the DC-welded directly on the motherboard and there are only three or four small pins believes it is in place, which allows the seizure of power rather weak. Each side of the draw DC power cord to the laptop to the limit, as a rule, distribute at least one of those pins, in order to break the weld around. Laptops quite modern with a lot of power, on 70W to 120W, or even more. The bad electrical connection du Pin is distributed achieve what sparks and heat, burning a hole of the lock, for the motherboard and perhaps even a fire hazard.
Symptoms, which showed poor contact between the DC connector and motherboard:
The battery is not properly or hangs on the loading of the cargo, despite an effort to use the power adapter.
The screen flashes (brightness changes), while the power cord is connected, by the passage between the portable DC-Netzteil (screen is brighter) and the Battery life (screen dimmer).
The DC-taking hot after a few minutes of use, and perhaps even the smell of burning.
There are "Scratching" sounds from the DC-female.
As for the evaluation of the assumption of power break:
1 Remove the battery
2nd Plug the cord from the wall socket
Start 3rd Laptop
4th Délicat shake the DC-power connector on the back of the laptop
If the computer stops abruptly (losing power), distributors of re-weld or modify the DC-as soon as possible, the motherboard has already begun to burn at the sight Pins. Producers can offer as a substitute for the entire motherboard, but the price to pay for a new motherboard with the work of the installation fee is usually more expensive than the current value of the laptop and the prices can sometimes cost more than a thousand dollars.
Replace or re-welded the DC-jack is not an easy task. This usually takes a few hours, depending on the damage and model of the laptop. To achieve the power Valet, the laptop must be completely disassembled and on the motherboard. So, if the Board of Trustees to distance around the pin is badly burned, the seizure of power must be a welded-and the mother must be corrected.
After another seizure of power, must be installed where the laptop connected to wires and on the motherboard, as the patches board would not be strong enough to the original nature of the force was taken as welded directly to the board.
Hard Disk
Hard drives failures are common problems, the computer equipment. And hard drives for laptops is not more frequently than desktop hard drives of the portability of a laptop compared to the laptop rather stagnant. When users knock difficult for the laptop, or even a few centimetres, while the hard drive is accessible or loudspeakers, damage can be done to the hard drive.
Symptoms:
The mobile starts as usual, but every Windows startup to download, it is the blue screen, or with "UNMOUNTABLE_BOOT_VOLUME", "hal.dll is missing or damaged" or "WINDOWSSYSTEM32CONFIGSYSTEM" (or similar) is missing or damaged. All these error messages on a file system. Sometimes it can be solved only by analyzing the errors on the hard disk. But more than half of these cases indicate that the hard disk starts to go wrong, and is probably the evolution of bad sectors.
The mobile starts as usual, but Windows freezes on the first "Windows XP" of the video, even if the blue bar continue to move, and users are able to listen, but if he continues to click . Hard drives must be replaced.
Once the computer is started there, according clicks or loops and sounds of Windows is not loaded. Hard drives must be replaced.
Shortly after the start of the laptop will receive a message (typically on a black screen), "SMART test failed. Backups of your data immediately and to replace the hard disk or the like. Well, that says it all. S.M.A.R.T. If a self-assessment, the establishment in the drive.
In almost all cases, the computer can be booted from a "live" bootable CD-ROM, and everything is functioning normally. In rare cases, the hard disk of PCB (Printed Circuit Board) is too short, he turned and burn. In this scenario, the computer will not start unless the hard drive is removed.
A good tool to check if the hard drive is CCRA lifetime of the disk checker. He looks for bad sectors on the hard drive and find out if the player is still good ergonomics.
Overheat protection
Overheating happen when there is not enough air flow from outside the computer in the event of the use of the processor and the motherboard and the back of the rule relating to food fan and the other cases, the fans.
Once the airflow is disturbed, the heat is expanding rapidly in the case. The result is that the elements of the judgement, if such protection is defective or behaves. In the long run, can lead to overheating irreversible damage.
It is also recommended for computers connected to a dry and shady, cleanliness and little dust.
LCD error
The most common methods LCD or "Liquid Crystal Display" failed to display the drive, cable and backlight.
Symptoms:
The laptop seems as usual, but the screen is black, if the user movement, it starts up and properly. Failed cable.
The laptop seems as usual, but the screen is very dark, while there was little change in color and users can very returns an image. Failed cable or 90% / 10%.
Immediately after take-off, the display is turned off pink / red and black is the shade after a few seconds. Failed backlight.
The screen flashes a few times, but then after dark, if users move or press lightly on the sides, it scintillates. Failed cable or LCD-50% / 50%.
Screen is either black or white (no pictures) and external display works. Failed cable or LCD-30% / 70%.
There were scratches on the screen (vertically or horizontally), or if the user on the screen, press lightly on the sides. Failed cable or LCD-10% / 90%.
Motherboard
Most motherboards are failures on the "On-Board regulated delivery successes and failures of these components in the circuits. The on-board fuel system has partly failed, and an overload of the following components if the problem with faulty capacitors in the first place.
A failure of the motherboard on a laptop, which are no longer in the warranty period would normally mean that it was time for a new laptop. The price of a new motherboard is, in general, higher than the current value of the laptop.
Symptoms:
Plug in the power connector and try the laptop.
Nothing happens.
The "ON" light comes on, the fan is running, but nothing on the screen (black), and can not hear the HD work after 10-15 seconds.
The "ON" light comes on, the fan is running, but after a few seconds, the lights dim.
After pressing the "ON" button the screen remains black, and you can hear a high schrillen calm tone of the laptop.
Damaged or inaccurate device drivers and operating system
Invalid or corrupted device drivers can wreck havoc on a server, the system is not made more in some cases. Device Drivers can also be in conflict with some application programs, and problems with the computer system.
Given that Windows Vista has its launch, the chances are some hardware is not supported or not supported entirely by the new operating system.
Also, the system updates, driver updates can also solve your "material" problems.
See the update and updates
In addition, it will help (from time to time) for support services to assist the pilot through this special equipment.
Controller Failure:
A controller can not act as a damaged disk. However, if a drive fails, users who do not have access to the drive, if one controller fails, users can not get access to all readers, appliances and all other specific components to this controller.
A controller fails because a component or components on the board with the controller. If users try to boot the system, they can not running, view, access, hardware, or even new conflict.
Controller error occurs, one of the following reasons:
D'equipment or components that are not connected
Make sure the cables properly the device / component on the controller
If the component to find its place in a home who see that in rinsing, and not in bulk.
D'equipment or components that are not properly
Make sure appliances or components is properly detected, and installation in configuring the video controller
Bad-Ports
Replace the bad connections to new ways of working
Bad components
Replace the component
Bad interface board or motherboard
It is recommended that these elements will be replaced or that the computer and maintenance
Hardware Error: The big question
The big problem, as has already been mentioned above, is not to replace or repair equipment is not functioning, but the lost time, the interruption in the daily routine (especially for companies), and loss of important data. If you have a system under way at any time by a backup system is not safe, or even two. If users want to ensure that they are not his criticism of lost data in the event of a problem with the hardware of the computer, there is only one opportunity to do this - Save data as often as possible .
There are many opportunities to ensure that data saved, and that technological progress is a back-up methods much simpler.
Let us for a moment, what is the backup. Saving files from the computer means that the user a copy of the data to be stored elsewhere on the computer. Everyone should be increasingly a backup of files at the very least the most important, because if someone experiences a hardware problem, they may still be able to access these files.
Many people do not understand their files because they know not what they need to make the backup. Start with the files that are not easy again. Then, proceed to file on the changes that you use frequently in the event that you make a difference, you should not have. Save your music collection - because it can be quite expensive to replace in the event of a loss of data.
Typically, the best practice is a backup of files at least once a month and more frequently if the user access to files regularly.
Chee Ning is currently director of the site and technical support, Adroit Data Recovery Centre laboratory, Singapore Science hub.
With the right tools, spare parts and experience, CCRA seeks to promote spreading the word of data, and assist in rescuing people, data recovery means so much to them. -- Adroit Data Recovery Centre Pte LtdLtd
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