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System won't boot, maybe a PSU issue.

J

Jerry_03

Weaksauce
Joined
Oct 12, 2009
Messages
92
So I recently upgraded to a i5 and MSI P55-CD53.

I put the rig together last night and it wouldnt boot. Mobo,CPU and fans would turn on, even the PSU fan and LED would go on. However all i get is black screen on my monitor and no BIOS beep codes.

The reason i suspect its the PSU is because the video card fan on my GTX 260 would not spin. the 260 requires 2x PCI-E data cables. I also tried a Radeon HD3650 which doesnt require any PCI-E cables and it still wouldnt boot. the fan on the HD3650 would spin then, stop, then spin. its NOT the video card as they work fine in other systems. this mobo has no onboard graphics so thats out. ive also tried 2 different monitors.

i doubt its the PCI-E 16x slot as this is a brand new mobo and a similar thing was happening in another rig that was powered by this powersupply.

the PSU in question is a OCZ GameXStream 600W.

another reason i think its the PSU is because it takes almost 5 seconds from the time i press the power button to the time the system actually starts.

I looked up the OCZ warranty and it seems very good: lifetime warranty on PSUs and advance replacement. but before i RMA it I want to troubleshoot more, as want to rule out others possibles. perhaps someone will think of another issue that might be causing this?
 
yank the CMOS battery from the motherboard and let it sit for a few minutes. Put it back in and try again. I built an i7 system for a friend and we had the same issue.
 
It could be a PSU issue, and it could also be a motherboard problem. Can you get your hands on a decent PSU to test with? Also, try putting your RAM in the other set of slots and see if that will allow it to boot.
 
Removed the battery, reseated/changed the slots for the RAM, still no go.

only other PSU i can use is the one in this system, the MSI TurboSteam 500W. I'll try it and see what happens.
 
Okay its confirmed its the PSU. i tried my MSI PSU and i was able to boot. I'll be RMAing the OCZ PSU. Thanks for the replies.
 
well when i got it 2 years ago it was good for the price, plus there was a MIR.
im not gonna buy a new one but taking advantage of the warranty which still is in effect.
however, later when i do need to buy a new PSU, ill probably go with a tier one brand and modular.
 
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