Odd problem: Pc automatically turning back on

Bry

Bry

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Joined
24 Jul 2005
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1,374
I have quite an odd problem and was wondering if anyone has any suggestions.

When i shutdown my windows xp computer (nforce4 amd x2 4400) it automatically restarts.
If i choose to hibernate my computer it will automatically turn itself off after hibernating as it is supposed to.
Restarting the pc works as normal.

I have tried disbaling/enabling all power management options in windows and bios including achpi, and about every option in the bios.

In the end I decided to leave it as i normally hibernate my pc anyway.

Today I fitted my new 1.5TB hard drive and in doing so unplugged most of my devices from my computer.

As it would happen I plugged in my Logitech keyboard in last (USB keyboard connected via ps2 adapter due to lack of usb ports).

As soona s i plugged this in my computer started up!

So i experimented and my pc will automatically restart only if i have my keyboard plugged in.

Does anyone have any ideas as to why this is happening? As i am completly stumped on this
 
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