Some times some good diagnosic sofware will tell you the problem. like Pc
Certify, micro-scope or ulta-x for example. There is a free one on
Freepc, I have not tried it. I still manually swap, but the diag software
has got me out many jams.

On Sat, 23 Feb 2002 20:08:21 -0500 joseph marty
<[log in to unmask]> writes:
> I am assuming you're not even getting a POST screen at startup.  If
> it were the CPU, RAM, video card, you'd get a POST screen and a lot
> of beeps. I'd say it's a good bet your mobo is gone. I had a mobo
> that would light up, spin the drives, and do everything yours does,
> but when I took it in, it was an ASUS P3V4X still under warranty,
> they said the mobo was history.  The retailer refused to send it to
> ASUS, and tried to get me to accept as a repla ofcement something
> junky.  Ultimately, I got my money back from the retailer.  I'd say
> you should start thinking about a new mobo.
>
> >
> >I have a Pentium III 933 system that stopped booting this morning.
> It
> >powers up and all of the peripherals (hard drives, CD-ROMs, DVD
> player,
> >etc) spin up and go through their power-on cycles. The CPU fan is
> >running. The power and hard drive lights come on. The LED on the
> >motherboard (Abit SA-6R) is on. In fact, it seems to be perfectly
> normal
> >in that I can turn it on and off with the power button, but it
> won't
> >actually boot. No beeps, no warnings, nothing.
> >
> >What led up to this over the past couple of days is that the
> computer
> >would spontaneously reboot. It didn't matter whether or not there
> was a
> >lot of hard drive activity, cpu activity or if it was just sitting
> >there. Sometimes it would reboot after three or four hours,
> sometimes
> >within a few minutes.
> >
> >So far, I've tried removing all of the cards except the video card.
> I've
> >tried a different video card. I've replaced the power supply. I've
> >unplugged every peripheral except for video. I've tried different
> >memory. I've cleared the CMOS. About the only thing that I haven't
> done
> >is replace the motherboard and CPU (I don't have any extras of
> those).
> >
> >I'm afraid that it's either the board or the CPU. At this point,
> I'm not
> >sure which it could be, but I'd sure welcome any suggestions.
> >
> >
> --
>
>
>
>
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