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Computer won't POST

Last response: in Motherboards
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September 13, 2009 5:29:38 AM

Specs:

ASUS M3A78-T AM2+/AM2 AMD 790GX HDMI ATX AMD Motherboard
AMD Phenom 9950 Agena 2.6GHz Socket AM2+ 125W Quad-Core
G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500)
ASUS EAH4850 TOP/HTDI/512M Radeon HD 4850 512MB
OCZ 700 Watt Power Supply
Thermaltake Armor+MX VH8000BWS Black Aluminum / Steel ATX Mid Tower Computer Case
Windows Vista Home Premium SP1 32 bit

---Nothing is overclocked in the computer


I've only had this PC about a year, but I've had the power supply for about two (used it in my previous machine). Anyway, recently, my PC has been exhibiting some strange behavior. When I try to boot up my PC, my CPU fan comes on and some of the lights come on in my case, but my PC doesn't post. Also, the lights in my case are flickering like they aren't getting enough power, its like its just barely on. It also looks like the GPU fan is just barely twitching like it wants to move but it not getting enough power.

However, I've found that if I leave my PC in this anemic half-on state for for 10-30 minutes, press the reset button and then cycle the PSU switch that the PC will boot up normally no problems. Once its re-booted my PC works fine, no stability issues, no crashing, rock solid.

Anyone have any ideas what the culprit could be?

Thanks for the help

More about : computer post

a b V Motherboard
September 13, 2009 1:27:51 PM

I agree the power supply would be my first suspect.
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