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Oct.31, 2009 in Computers

Hard disk
Hard disk refusals are the most widespread problems of the computer equipment. And portable hard disks refuse more a thicket, than desktop hard disks thanks to mobility of the laptop, in comparison with stagnant laptop.

Symptoms:
The laptop begins as usually but when Windows starts to load there is a dark blue screen with “UNMOUNTABLE_BOOT_VOLUME”, “hal.dll is absent or is damaged” or “WINDOWSSYSTEM32CONFIGSYSTEM” (or similar) is absent or damaged. All these error messages specifies in presence of a problem of file system. Sometimes it can be corrected only by hard disk scanning on presence of errors.

The laptop begins as usually, and Windows screen though in a dark blue line continues to move hangs on initial “Windows XP”, and users have possibility to hear a feint, but continuous having pressed. Hard disks should be replaced.

As soon as the laptop has started to eat loud cliques or crushing of sounds, Windows is not loaded. Hard disks should be replaced.

Soon after laptop starts, there is a message (as a rule, on the black screen) test SMART failure. Create a backup copy of the data, and immediately replace a hard disk or similar. Well, all is told by it. SMART is self-testing which will construct on a hard disk.

Almost in all cases, the laptop can be started about “a live” loading disk and all works normally. In rare instances hard disk PCB (printed-circuit board), can receive short circuit and even the burn. In this case, the laptop will not be started, if it is not removed from a hard disk.

Overheat
The overheat occurs, when air goes from an external surface of the case of the computer through the processor and a parent payment and backs from the case usually through the fan of a power unit and fans other case does not suffice.

When it is broken air, heat collects faster in business. It leads to components or work end if such protection is under construction or works incorrectly. In long-term prospect, the overheat can irreversible damage components.

Besides, it is expedient to hold the computer in dry and the shaded room, pure and it is a little dust.

Parent payments
The majority of parent payments failures are connected speak “O-board” of adjustable deliveries and malfunction in these schemes. An onboard food scheme was partial possible, and there were overloads the subsequent components differently a problem would be with the condensers, which defective first of all.

Breakage of a parent payment on the laptop that is out of a guarantee, as a rule, mean that time for the new laptop has come. The price of a new parent payment, as a rule, above, than current cost of the laptop.

Symptoms:
Connect the network adapter and try to start the laptop.

“Light On” goes on the back fan, but anything on the screen (black), and you cannot hear HD working after 10-15 seconds
“Light On” goes on the back fan, but in some seconds light has gone out.

After pressing button “ON” the screen remains black and you can hear a silent high-pitched sound go with the laptop.

Damage or inadequate drivers of devices and operating systems
Incorrect or the corrupted driver of the device can break chaos on a server owing to what the system is not loaded in certain cases. Drivers of devices can clash with some applied programs and cause problems with computer system.

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