Windows 7 interuppting POST?

Ben90

Platinum Member
Jun 14, 2009
2,866
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Alright, this really isn't a Overclocking/CPU question but I feel overclockers would have a better idea of what is going on unless we have someone who codes for Microsoft on the Windows section.

Alright so basically im on: (dxdiag because im lazy)
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Absolutely rock solid stable on an ASUS p6t SE


Ok so anyways I was just screwing around and thought it would be a good idea to go into sleep mode. Upon pressing my power button nothing happened so I restarted my computer. Didn't turn on. I press the power button and you can tell the board gets power for ~.05 seconds (cpu fan spins like 1/8th a turn ect.) Just for kicks i held the power button down and my computer operated for 5 seconds before it turned itself off from holding the power button for 5 seconds. So i tried holding the button just long enough for it to start posting, but not long enough for it to turn itself off. Somehow that worked and now we are going through POST.

Maybe not, now its not posting past the RAM test (it just sits between RAM check and SATA detection infinitely long, but it doesn't freeze as I can still press buttons (but it doesn't finish post so i cant get into BIOS). So after resetting BIOS multiple times and multiple restarts it finally decides for no reason to work and starts loading windows. All of a sudden like 505378 errors pop up while windows is still in its loading screen (no desktop yet) so I restart it one more time and it works 100% perfectly from there.

Now from my horrible self diagnosis it appeared to me as if windows was somehow keeping POST from doing its thing until I was able to get it to figure out I didn't want to wake up from sleep mode. My question is that i thought the OS had absolutely nothing to do with CMOS and its functions.

Is this not true? Or am i overlooking something stupid?
 

Cattykit

Senior member
Nov 3, 2009
521
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I was lazy so I didn't read the whole thing in detail, but it sounds like a common sleep mode problem. Such problems are usually caused by USB devices including your keyboard and mouse. Also, some P35 motherboards had that problem once FSB goes over 400mhz.
 

Ben90

Platinum Member
Jun 14, 2009
2,866
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Yea i knew sleep has problems with that stuff, but i had no idea it could mess with something as basic as post. I thought the operating system had nothing to do with that
 

lsv

Golden Member
Dec 18, 2009
1,610
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Upgrade to the latest bios. I had the same problem on a P6T, latest bios fixed S3 Suspend and usb power issues causing BSODs.