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Graphics Card Fan spins at 100%

Last response: in Systems
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September 10, 2009 9:31:34 PM

I have my homebuilt system hooked up to my HDTV. Once and a while my computer will not boot up and the graphics card fan spins at 100% constantly. Normally it spins full speed for 1 or 2 seconds and then boots, I'm talking constant full speed spinning and no picture. I've tried a few things and I'm starting to think it might have something to do with my HDTV or not having enough power for my computer.

What are some things that would cause my computer to do this? Bad PSU? Bad Mobo? Bad outlets? Not enough power? Help would be greatly appreciated!
a c 113 B Homebuilt system
a b U Graphics card
September 11, 2009 6:17:24 AM

You have given me precious little info and then expect me to pull the answer out of my hat :) 

The GPU fan spinning at 100% means nothing.

Your computer sometimes fails to post. That's the starting point. If you want a guess, you'll have to supply a full and exact parts list.
a c 136 B Homebuilt system
a b U Graphics card
September 11, 2009 6:32:12 AM

I'd be much more impressed if you pulled a rabbit out of your hat
a c 113 B Homebuilt system
a b U Graphics card
September 11, 2009 6:49:08 AM

:D 
!