When it comes to repairing the right diagnosis is a key to success. Can anyone identify the problem themselves and calculate the budget for the repair? Let’s analyze the basic PC troubleshooting symptoms and how to fix them.

 

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Processor

Symptoms:

  • cyclic reboot
  • motherboard doesn’t start
  • hard disc doesn`t boot
  • is not installed, Windows doesn’t load
  • processor power details on motherboard/ CPU overheat

 

Tips for solving problem:

  • It is complicated and risky to change the processor at home.

 

Memory

Symptoms:

  • computer won’t boot
  • periodic failures with blue “screen of death” in Windows.

Tips for solving problem:

Problems of OP are diagnosed by special tests. Damaged memory is replaced.

 

Motherboard

Symptoms:

  • computer doesn’t boot
  • USB and peripherals don`t work
  • processor is cool
  • Windows does not load/does not install
  • CPU overheats.

Tips for solving problem:

  • Faulty BIOS of motherboard is restored by the replacement of a micro-scheme. MP is repaired rarely.

 

Hard disc

Symptoms:

  • the disc does not spin, BIOS is not detected
  • Windows doesn’t boot
  • cyclic reboots, hangs, lags
  • there are errors and crashing of programs.

Tips for solving problem:

  • Hard disc is repaired if there is minor damage. You can diagnose faulty SATA cable by a parameter «UltraDMA CRC Errors» S.M.A.R.T.

 

Video card

Symptoms:

  • artifacts on the screen
  • computer doesn`t load
  • video driver can not be installed.

Tips for solving problem:

  • Don’t wait until your card comes to the critical temperature. Malfunction is checked on another computer.

 

Overheating

Symptoms:

  • spontaneous disconnection
  • spontaneous reboot
  • lags
  • words: «Warning: Your computer CPU Fan Fail or speed low».

Tips for solving problem:

  • Regularly clean your PC from dust, change the thermal grease in time, use the software for monitoring the temperature – HW monitor, Everest, etc.