No POST Beep, No Display, Everything is Running

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J

jacker300

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Apr 15, 2012
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Today I woke up to my computer not showing anything and it happened overnight I guess. My PC normally makes 1 beep noise on startup and now it doesn't even make that nor can I enter bios as if it doesn't detect my keyboard or something.

Just yesterday I had no issues what so ever I just turned it off and today nothing is showing. I hear/see the fans running and everything is on. I cleaned my pc, reseated ram, gpu, hdds, replaced cmos battery, i even switched between both my PCIE ports to see if it was a gpu issue but no luck.

Someone please help me out cause like I said before all this my PC was running 100% fine yesterday. I'm so lost since I've done everything and how this just happens the next day out of the blue.

Thank you!
 
Solution
Kari
I dont think you can get bios updates via Windows Update... Maybe the reason for the settings not getting saved was too low or unstable voltage on the lower rails already at that point, so it couldn't write into cmos anymore. Then again it might be the mobo itself that's failed.... You wouldn't have a spare psu around to test it?
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J

jacker300

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Apr 15, 2012
39
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10,530


I totally forgot to mention yesterday I hit update and shutdown(you can't bypass it anyway) so my windows 8.1 updated then shutdown. Do you think the windows update caused this and maybe downloaded a bios update that corrupted my bios or anything? my mouse lights up but my keyboard just doesn't work anymore on my pc but works on my other PC's. Earlier before this I reached into the bios TWICE somehow and i saw that my HDD's that run on RAID were set on IDE. I set it to RAID then it booted properly, but after that i restarted to see if it works again turns out it was black again. I went again to bios out of pure luck and saw it was on IDE again even after i hit save and exit. Once I hit save and exit after setting it back to RAID again it just stays on this black screen now. That was the whole reason that led me to replace the CMOS battery.

I honestly think this update caused the problem cause prior to the update it was working ifne.
 
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Kari

Kari

Splendid
Jun 16, 2004
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1
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I dont think you can get bios updates via Windows Update... Maybe the reason for the settings not getting saved was too low or unstable voltage on the lower rails already at that point, so it couldn't write into cmos anymore. Then again it might be the mobo itself that's failed.... You wouldn't have a spare psu around to test it?
 
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Solution
J

jacker300

Honorable
Apr 15, 2012
39
0
10,530


Hello, thanks for your reply, but I think I know the problem but i'm still confused. I made another post. Please let me know what you think.

http://www.tomshardware.com/answers/id-2539549/short-beeps-startup.html
 
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