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Windows 7: PC Power Button stopped working correctly

29 Jun 2012   #1

Windows 7 Professional x86
PC Power Button stopped working correctly

The power button on my PC has stopped working as it used to. Pressing the power button on my PC would normally send the PC to sleep, then pressing it again would wake it.

Two things I have noticed

1) My PC stopped automatically going to sleep like it used to (after 1 hour) as set in the power setting's of the control panel - I have to manually "Shut Down" or "Sleep" from start menu now.

2) Pressing the power button, now just restart's the computer, greeting me with a "Windows did not shut down correctly" message after the BIOS post.

After the initial install of windows (if I remember correctly) the power button did not do anything unitl the ACPI drivers where installed (giving a message in the action centre saying "You need to install the power management...."), after installing the ACPI drivers (Cool & Quiet from the ASUS site) the power button appeared to work as expected.

Then randomly, a while ago, I got another message in the Action Centre, again saying "You need to install the power management ....", but I archived the message and am not sure how to view it again.

Im not sure as to why this would start happening as it would suggest something has happened with the ACPI drivers and I dont know how I can actually check ACPI drivers in the device manager console.

Any suggesstions on what I should do and what might of caused it to suddenly stop working?

Also, is cool n quiet something specific to ASUS motherboards? I dont think I had this problem with a previous MSI board.#

Windows 7 Professional x86
AMD X2 555 BE
Any help appreciated.

My System SpecsSystem Spec

29 Jun 2012   #2

Windows 7 Pro. 64/SP-1

I have never used or knew you could use a power button in the fashion you want but I do know if you fill in your complete specs, (My System Specs) it will others help you.
My System SpecsSystem Spec

 PC Power Button stopped working correctly

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