PC Self-Down last night...

hazeman

Member
Jan 15, 2007
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Quite a dilema I'm in right now. Was up late last night doing some work, all was fine. I wake up and my computer is down. I leave my PCs up 95% of the time.

The build I'm referring to, in my sig, has only been down three times in about the past 4 months. Once for RAM switch, once for system fan removal (lol yes removal) and the third time for a massive storm where power was out for hours.

Any and all suggestions will come greatly appreciated.


One serious issue, is this mobo did NOT come with a jumper for the CMOS. Utterly beyond me so I may need to dig around the office to find one.

Diagonostic notes: When I first tried to power on, it seemed normal but then the case fans started cycling speed... Noticed the mobo wasn't posting so I killed the power. Each subsequent time after the fans no longer cycle but no boot.

Thanks.
 

hazeman

Member
Jan 15, 2007
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Cleared the CMOS with no success of boot.

Further update: Forgot to mention that there are NO beeps whatsoever after power-on.

I have heard this before with SOME mobo/cpu setups that if there is a CPU fault/failure the MOBO will still POST... Since there is no POST of the MOBO and not even a BEEP sequence, this rules out any additional conflicts. I tried disconnecting the HDD, Vid Card, no USB devices. HDD spins up fine when it was plugged in as well as DVD drive. All fans work properly.

I have NOT ruled out the PSU at this point. I have sent in an RMA request with Gigabyte in the meantime.


Please, any additional comments or suggestions will gladly be accepted. Thank you.
 

snouter

Member
Jan 5, 2008
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My new build was working fine, then just shut down like someone yanked the plug.

http://forums.anandtech.com/me...=2316476&enterthread=y

Fans come on, but never gets to post. No beeps but no speaker. Hard drive never moves data though it spins up. I think I've narrowed it down to ram.

Also, FWIW, I have had a computer that worked fine for a year, then crashed one day out of the blue... and it turned out to be bad ram. Swapped in new sticks and all was well.

Trouble shoot the ram a little bit. Try booting with one stick at a time.
 

corkyg

Elite Member | Peripherals
Super Moderator
Mar 4, 2000
27,370
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Yeah . . . these days, a 430 PSU is somewhat wimpy.