HELP! System shutoff problem in new build... (urgent)

Hey guys. Here's what's in it (Antec p180b case):

Q6600 w/stock fan
Asus P5N-E SLI mobo
2gb OCZ 6400 ram
evga 8800 gts 320
150gb raptor
2x 500gb samsungs
1 old ide cd-rom

Put it all together last night, minus the cd-rom. Everything boots up nicely, look through bios, reset clock, dont' touch anything else. Let it run for ~1 hour, shut it down go to sleep.

Get up this morning, throw in the old IDE cd-rom drive (don't yet have the dvd burner I'm planning on putting in) to install XP pro. Put this disc in, hit the power button, runs for about 10 seconds and shuts off. I try again, it gets about 3 minutes into the XP setup and does the same thing. Now, I turn to you.

All fans were set on high, both sides of the case are open. I'm not thinking its a heat problem, but I could be wrong? I watched the BIOS temp monitor, and it says that the cpu temp climbs up to 64, at which point it turned off. Could it be a RAM problem? HELP! thanks guys.

btw: i removed the cd-rom and its now just sitting in bios, apparently running fine, but its only been up a few minutes so... why would the cd-rom cause this, if thats in fact what it is? thanks

update: nope, died in bios too :(
5 answers Last reply
More about help system shutoff problem build urgent
  1. Clear the CMOS. Then I'd try a different PSU
  2. well, it was definitely a temp problem... it was up to ~64 and shutting off.

    I reseated the heatsink and temps are down to around 45 with the case closed up. This still seems a little high to me, no? I've read other people getting idle temps in the mid 30's. Any suggestions? Thanks
  3. Did you clean off and reapply the thermal paste?
  4. you probably have but have you checked the voltage of the CPU and made sure that the multipliers and fsb are correct? just incase the motherboard is doing something strange or automatically setting an overclock
  5. Might consider more fans if your getting that hot or faster ones.

    My system doesn't even get past 105F after a workout with all game settings cranked.

    6 Fans + Heatsink and Fan
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