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Technology

Computer won't start

The computer is dead or stuck. Rule out power and the simple things before assuming the worst.

Many "dead" computers are a power problem, a stuck peripheral or a bad cable. Work in order from the cheapest explanation.

Quick checklist

Your progress is saved on this device only.

What to do, step by step

  1. 1

    Check the power

    Cable, socket and charger. Try a different socket.

    2 min
  2. 2

    Remove peripherals

    A faulty USB device can stop a boot.

    2 min
  3. 3

    Try a forced restart

    Hold the power button for ten seconds.

    1 min
  4. 4

    Check the display cable

    If the machine sounds alive, the screen may be the issue.

    2 min
  5. 5

    Back up the drive before repairs

    If it matters, the data comes first.

    1 hour

What NOT to do

  • Do not open a device under warranty; you may void it.
  • Do not repeatedly force power if you can smell burning; unplug it.

Possible causes

Power

Charger, cable or battery.

RAM or drive

A failing component.

Software

A bad update or corruption.

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