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Computer was working fine. Suddenly won't boot.

Last response: in Systems
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December 10, 2010 9:24:49 PM

Hello forum,

I have a computer that I recently built.

It's been working fine, but it went into sleep mode earlier and then I couldn't get it to come out. So, I powered it down and turned it back on, and now it won't POST. I get no video signal to the monitor.

About a week and a half ago I added in a RAM stick, but it didn't cause any problems during the installation. I suppose I could try removing the stick and see what happens.

A note: This happened to me a few weeks ago, one time. When it didn't boot that time, I unplugged everything from the computer, and then it booted fine. When I plugged everything back in, it stayed fine. I tried that this time as well, but no dice.

Any ideas?

EDIT:

Ok, so I waited about 5 minutes with the computer unplugged, and then I gave it another go. It POSTed fine and I'm back in business. It gave me a message saying that it failed to come out of sleep mode, or something to that effect, and that I could try to use the previous data it had saved related to that sleep state, or that I could just boot windows fresh. I first tried using the previous data and it failed to boot; it started "resuming windows" but then the signal from the monitor went away and the system just sat there. When I tried booting fresh, it was fine.

So this is the second time now then, that my computer has gone into sleep mode (actually, I guess it might be hibernating, I'm not sure.) and then wouldn't POST when I tried to wake it up. Any idea what could be cause of this unstable behavior? There are plenty of times when it goes into sleep / hibernate and it comes out just fine.

Thanks for any insight.
December 11, 2010 12:28:47 AM

Change the low power setting in the BIOS to S1 from S3, change the power settings in the OS to never hibernate... just shut down the video and drives after a period of time...
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December 13, 2010 7:41:53 PM

kortheo said:
Hello forum,

I have a computer that I recently built.

It's been working fine, but it went into sleep mode earlier and then I couldn't get it to come out. So, I powered it down and turned it back on, and now it won't POST. I get no video signal to the monitor.

About a week and a half ago I added in a RAM stick, but it didn't cause any problems during the installation. I suppose I could try removing the stick and see what happens.

A note: This happened to me a few weeks ago, one time. When it didn't boot that time, I unplugged everything from the computer, and then it booted fine. When I plugged everything back in, it stayed fine. I tried that this time as well, but no dice.

Any ideas?


I have the same problem as this. Did you do anything to permanently fix it?
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