I am thinking its time to re-seat the ATX power connector just to check that.
pull everything out of the mobo including video and ram, just leave the cpu. if you get error beeps atleast you know there is some life there.
other then that, yank the CPU out and start over
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C-ya
Joe - Owner/Editor
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Where the Completely Addicted Come to Cool Off
Somebody set up us the bomb.