Re: What's your best guess?

On Mon, 29 Sep 2008 14:34:19 -0400, Larc thoughfully wrote:

My PC won't start! I was checking the RAM with Memtest 86+ (v.1.70)
while I watched TV. When I looked back at the computer at some point,
the monitor had gone into sleep mode. Nothing would wake it. I noticed
there was no HDD action. When I tried to reboot using the restart
button, nothing happened. The main power button wouldn't even work, so
I had to turn off the power switch on the surge protector. When I
switched that back on a few minutes later, the PC came on without my
doing anything else. But it wouldn't post. The power light on the case
front was on as was the indicator LED on one DVD burner and both LEDs on
a card reader. All fans were running. But there was still no signal to
the monitor. But at least the power button would work, although the
reset button still wouldn't.

All four RAM modules checked out fine in another PC this morning, so I
figure that probably narrows the problem down to the motherboard or the
PSU. When I turn the computer on, the power indicator light on the
front comes on as does the one on the board itself. All the fans come
on. There's no signal to the monitor and no indication posting is even
started. There are no obvious motherboard problems such as popped
capacitors, nor are there any obvious PSU problems.

There have been a couple of occasions over the past few weeks when
posting started when I turned the computer on but then froze while it
was polling the drives. Each time it booted without problems after I
restarted it.

The board is an Asus P5P800 SE. The PSU is an Antec TruePower 2.0
(550W).

Any guesses on what is probably wrong? Suggestions?

Thanks for your input.

Sorry to say suspect PSU.Get a PSU tester for $20 or swap in a good PSU.

Second choice would be video card, again swap in a working video.
.

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