Computer Not Staying In Sleep Mode - Wake Source Unknown

Jan 22, 2013

My computer cannot sleep!

I did a fresh install (upgrade) and the moment I got the desktop up and idle, I tried to put the computer to sleep. It did, then 5 seconds later, on it came again.

Event viewer says "wake source unknown".

I have updated all drivers from asus, and installed all windows updates. No difference.

I have used every tool POWERCFG gives, it's report is clean, there are no wake requests, all devices (mouse keyboard) have had their wake ability disabled, I have even disable ALL devices in bios, booted without a keyboard and mouse and still, it wakes as soon as it's put to sleep. Even with all on board devices disabled except for sata.

Wake source: unknown.

I boot into Win 7 from another hard drive, no issues.

One thing to note is that from a fresh restart, if i put it to sleep, it stays asleep. Once waked, it will never sleep again. Restart the system, leave for idle for ages, hit the power button; it goes to sleep and stays. After waking, it never stays asleep again.

I have tried safe mode. no difference.

I have disabled all services. I have changed all the power settings to disable wake timers and to allow sleep during sharing. Still no difference.

What's up with my Asus Z8P68-V Pro that disagrees with windows 8? All my other machines have no issue.

I have no choice but to keep using Win7 at the moment, I can't have a computer that doesn't sleep.

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My Acer M5811 will not wake up from sleep mode on intermittent basis. Running Windows 8 Pro 64 bit. Power settings are disabled for both the monitor and CPU. I have also disabled "allow computer to shut off applications to save power" to devices. I never had this issue until I installed Windows 8 (clean install) from Windows 7. I have updated all drivers but have had no luck. The computer will wake up successfully several times, then it will not wake up. It appears to start up but the monitor remains in sleep mode. The only way to fix the problem is to shut down the computer and then restart. Acer M5811, purchased May 2010; i760 processor; 8 GB ram, ATI Radeon 5570, 1TB hard drive.

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I have all new video drivers, I have a feeling it may be my keyboard because sometimes the keyboard doesn't shut down when the pc is put to sleep. It still has all its lights on. It is a Merc steel series gaming keyboard,

The only other weird errors I get in my event viewer are these, and they have to do with windows search.

Eventid 1006 The Windows Search Service has failed to create the new search index. Internal error <4, 0x80070002, Failed to add project: C:ProgramDataMicrosoftSearchDataApplicationsWindowsProjects>.

The Windows Search service terminated with the following error:

The system cannot find the file specified.

Eventid 7023

event id 7034

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I'm having the same problem with my Acer w500 which uses mSATA SSD drives only. I have upgraded to a Mushkin Atlas 120GB V series SSD and obviously upgraded to Windows 8 (professional) and every time it wakes from sleep it says there was a problem and needs to reboot. I'm going to put the stock 32GB Sandisk SSD back in later today and see if the problem is still present. I do have the latest BIOS on this computer and the latest firmware on the Mushkin SSD, drivers are the latest from Acer and most are November 2012 dates. There are no BIOS settings on this computer, all I really get are boot order, AHCI or IDE mode, and a couple other trivial things so I can't change suspend to ram or suspend to disk settings. I'll make the changes to hopefully show the BSOD when it comes out of sleep so I can try to gather more info.

This was a "clean" upgrade install (do not keep any settings or applications) which puts all the old stuff in a .old file, it was a clean from restore disk win7 that was used as the base OS to allow an upgrade, and is the 32 bit version of Windows 8.

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By staying idle, I mean, I am reading some newspaper or some pdf file or something like that online without any activitiy on the keyboard.After a few mins, it automatically goes into sleep mode. This is making me mad, as I could be in the middle of something while reading documents and it goes into sleep.

In the power options, I have changed it to High Performance plan, I have verified that, "Turn of Display" and "Put the computer to sleep" options are "Never". When I click on "Advanced Power Settings" , I can see that , under sleep, "sleep after" is never. Allow Hybrid sleep is "Off". Hibernate after is "Never".

I just wanted to add, that the event viewer shows the following entries...

The system is entering sleep.
Sleep Reason: System Idle

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I also tried to create a new power profile but this did not work. I ran sfc scanow and also fixed errors. I have all latest windows updates. I have also tried DISM

I can't even read something without fear and I have to keep moving my mouse every minute and I can't even concentrate.

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