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Strange booting situation

X

xENo

[H]ard|Gawd
Joined
Mar 13, 2001
Messages
1,614
Sup yall...
I'm having problems with my computer not being able to restart or boot up. It will only boot up if I unplug the PSU for about 30 seconds, and then plug it back in.... and then it will only start on the first try. My voltage in the BIOS is normal. I can't figure it out.

Is my PSU bad? Mobo? BIOS battery?
 
Could be the PSU, but most likely your motherboard may be dying or there may be a short / ground loop somewhere.

When I fried my celeron 300a by overclocking it to 500 and forgetting to connect the fan, it took the motherboard with it. The mainboard still worked, but in order to get it to boot, I'd have to hit the power button, which would turn on the power supply fans, then hit the reset button exactly 3 times to get it to post. I have no idea why that could be. Frigging weird.

One time, I was servicing a PC that would not start up. I went through everything I could possibly think of, eventually I just ripped out every component, motherboard included and then put it back together very carefully. I noticed that there was a riser on the underside of the motherboard that was shorting out components directly below the voltage regulation circutry. A friend of mine had a similar thing happen with a rogue screw that somehow got wedged under the motherboard. Anyways, I removed the riser, reassembled everything and everything worked perfectly, and has been working perfectly ever since. The thing is, the riser had been there since the comp was manufactured(dude got a dell), which was like a year... The computer just one day decided it wasn't going to take it anymore. Also weird.

So really I guess what I'm saying is it could be anything. It couldn't hurt to take your whole PC apart, dust off some components and carefully re-assemble it.
 
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