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Re: Dead computer after system shutdown.




Hi,

Thomas George wrote:
> Tried to restart the computer from the switch on the desktop box but
> it was totally dead. [...]
> Where to look for the failure? CPU, motherboard, power supply or mechanical
> switch?

If it does not make any noise and lets not shine any light then the power
supply is the first suspect. (Including the classic: "Is it plugged in ?")


> How does the operating system turn it off?

My best guess is
  https://en.wikipedia.org/wiki/Advanced_Configuration_and_Power_Interface


Have a nice day :)

Thomas