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my pc turns itself on

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9 replies

by remjoe

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O.K. here it goes
after I select 'shut down'
from the start menue.
the screen displays "it safe to turn m/c off"
and automaticly powers off.
then at random either with one or two days
and at any time, I hear the fan running
on my computer andthe m/c is on. like i
hit the power button on the front of the m/c.
and i know it was off and quiet before i left
the computer room, i was blaming the kids
for leaving the m/c on.
i have file sharing and all that checked off!
joe

9 replies

by borginva

It sounds ot me like a sleep issue with the ssytem (but if you are powering it off completely, then I am wrong), but you should go into your BIOS and try disabling any "sleep" timers and "wake-up on" timers. See what happens for a few days after this. Even check your Windows Power Management. Go into your System Properties (right click on desktop), and go SCREEN SAVER/POWWR and chekc your sleep settings in there. But deifnitly try disabling any sleep and wake settings in BIOS.
You can get intomost BIOS by:
IBM - F1
Compaqs (yuk) - F10
ATT6383 - CTRL-ALT-INS
others - DEL

by thechas

Some motherboards have a wake on keyboard feature.
On one that I have this has to be disabled with a jumper on the motherboard.

All it takes is to bump a key, and for some PCs, just a bump to the mouse, and they startup.

I would also check inthe power management settings of BIOS settings that all events are turned off / disabled.

Chas

by thechas

Well, the next suspects would be the switch on the front of the PC itself, or AC power line noise.

Open the case, and disconnect the 2 pin connector from the power and reset switchs to the Motherboard.

Let the system set for a while.
If it doesn't power up on its own, then either or both switches are bad.

If it still powers up, it is sensative to AC power line noise.
Try a good quality power line filter (different from a surge supressor).

Chas

by remjoe

thanks for the help, but its to late.
my computer caught fire a few days later.
and i lost everything.
remjoe

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