No boot

Hello...

My PC starts booting and then shuts off, the boot lasts less than 10 seconds and then power is shut off. Thinking it was the mobo, I replaced it (got an Asus A7V8X-X) and tossed that in with my Athlon XP 1800+ to no change. So, I replaced the CPU w/ a new Athlon XP 2200+. No change. Tried booting w/out hard drive, no change. No Video card, no change. Without memory, the only change was one beep, but aside from that no change.

The only thing I can think of is the power supply, but all hardware powers up. The CPU fan, the case fans, hard drive, & light on mobo does go on.

Can anyone lead me in the right direction as to what could be wrong? Thanks!

James
5 answers Last reply
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  1. the power button ? :)

    seriously, sounds like a PSU issue to me.

    = The views stated herein are my personal views, and not necessarily the views of my wife. =
  2. Definitely power supply. Once the boot screen kicks in there's a demand for more performance from your video card and other components...... pffffft.
    -Brett
  3. Thanks for the help guys.

    Unfortunately, still no go. Ugh. Replaced the power supply and the box still won't boot past 5-10 seconds.

    I'm at a loss. Brand new power supply, mother board & cpu. What else could it be?
  4. RAM maybe??

    Barton 2500+, 512MB Corsair Platinum XMS 3200 CL2, Radeon 9700, WD Raptor 10,000 rpm S-ATA HDD, Asus A7V600, Enermax 460W SilentPlus PSU.
  5. thats weird to say the least.. another thougth; have you connected a 3 wire fan to the MB CPU fan header ? maybe the mb shuts down as it doesnt read a RPM on the fan. 2 wire fans don't read RPM's, and the MB could consider the fan failing..

    = The views stated herein are my personal views, and not necessarily the views of my wife. =
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