Windows 7 won't let my computer wake up after sleep.

imnotagamer007 · Feb 25, 2015

This is a problem I've been having for a while and I'm not sure what is causing it. I have my computer enter sleep after 30 minutes, but then it won't wake up, and the only thing that works is clearing the cmos or waiting for a few hours. Hibernation mode is off but I would like to keep sleep enabled. I'm using a samsung ssd and I just disabled 'turn off hard disk' in the power settings so hopefully that will fix it.

What could be causing this and how do i fix it? Thank you

RaDiKaL_ · Feb 25, 2015

Try a different level of Sleep State (S1,S3,S4 etc) in your BIOS options, perhaps your PSU is not compatible with the current sleep state your BIOS is attempting to use.

imnotagamer007 · Feb 25, 2015

RaDiKaL_ :

I'm using msi gaming 7 mobo and I dont think it will let me change sleep states

RaDiKaL_ · Feb 25, 2015

It should, its a standard option to have since at least 2003.

imnotagamer007 · Feb 25, 2015

RaDiKaL_ :

I looked everywhere in my bios but I see no option to change it.

imnotagamer007 · Feb 25, 2015

I just ran an energy report and its confirmed tha s2 and s1 states are not supported. ANyone have any other ideas?

imnotagamer007 · Mar 13, 2015

Just to let everyone know I found out the solution. I had a bad PSU. I replaced my seasonic pSu with one from corsair and now I no longer have this issue.

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Windows 7 won't let my computer wake up after sleep.

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