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Windows 7: ACPI Lid wakes computer every 3 minutes

06 Nov 2009   #1
niharG

Windows 7 Professional
 
 
ACPI Lid wakes computer every 3 minutes

My Dell Latitude e6500 has been running great under w7 for several weeks. However, recently, it has been waking up from sleep every time I put it in. Checking the event viewer, I found something disturbing. Under "Power-Troubleshooter," there were many consecutive Event ID 1, stating:
Code:
The system has resumed from sleep.

Sleep Time: ‎2009‎-‎11‎-‎04T18:08:19.824992100Z
Wake Time: ‎2009‎-‎11‎-‎04T18:09:31.248801300Z

Wake Source: Device -ACPI Lid
Now, the weird part is that there is one of these events exactly every 3 minutes! (e.g. 12:03:35pm, 12:06:35pm, 12:09:35pm, 12:12:35pm, etc.)
This occurs is while the lid is securely shut or wide open, sitting on a desk or in its sleeve, plugged and unplugged.

Also, running powercfg from an admin command prompt does not let me disable "ACPI Lid"... it says I do not have permission!

Any ideas on why this is happening?


My System SpecsSystem Spec
.
08 Nov 2009   #2
niharG

Windows 7 Professional
 
 

I have found the culprit... it seems that a registry hack i did "HKLM\SYSTEM\CurrentControlSet\Control\TimeZoneInformation\RealTimeIsUniversal" to set the Real Time Clock to UTC ... so Windows and Mac OS X don't screw each other's clocks up (dual-boot with OSx86) had caused this. Disabling that DWORD fixed the sleep problem. I guess I'll just have to deal with changing the clocks manually whenever i use OSX.
My System SpecsSystem Spec
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 ACPI Lid wakes computer every 3 minutes




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