PC won't boot and beeps every 30 seconds

ndl555

Distinguished
Dec 20, 2007
11
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18,510
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Hey guys,

This morning my computer started beeping every 30 seconds or so on boot. The monitor doesn't show anything, and my mouse and keyboard don't turn on until after 30 seconds when the first beep occurs (they usually turn on after a couple of seconds during POST). When I press the power button, it turns off immediately, so it doesn't seem to even be getting past the boot stage.

I've tried disconnecting all non-essential hardware, reseating the video card and ram, flashing the CMOS, and nothing seems to make any difference. Everything was working just fine last, and I shut it down normally.

Does anybody have any bright ideas?

Thanks in advance.
 

ndl555

Distinguished
Dec 20, 2007
11
0
18,510
0
Well...

1 short: System boots successfully
2 short: CMOS setting error
1 long, 1 short: Memory or motherboard error
1 long, 2 short: Monitor or graphics card error
1 long, 3 short: Keyboard error
1 long, 9 short: BIOS ROM error
Continuous long beeps: Graphics card not inserted properly
Continuous short beeps: Power error

It seems to be resetting itself every 30 seconds or so, and "boots successfully".

The only other error code that comes close to matching is continuous short beeps, but i seriously doubt that means with 30 second intervals.
 

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