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Hi all;

I have a machine that will sometimes fail to boot after a restart. If it gets shut down and restarted, the PSU & CPU fans start, but nothing else. No POST beeps, no lights come on, nada. If I unplug it & wait 15 mins or so, it boots right up.
I thought maybe the PSU was the problem, and replaced it, but it still does the same thing. It doesn't seem to be overheating, as I can load it up, maxing out the processor & page file till it locks up and it doesn't fail. Anyone ever seen this?

It's a grey box computer with:
AOpen MX4SGI-4DN2
1 GB Ram
3GZ P4
40GB HDD
Win XP Pro

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ATX reset fixed this. Thanks Dazza!

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ATX reset fixed this. Thanks Dazza!

Not fixed after all. rebooted normally a couple of times. Then I let it run for about an hour to do an AV update, shut down and hooked it back up in the user's cube, and guess what? Same thing.

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Ended up replacing the mobo. Problem fixed.

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