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ATX 12v Problem

Last response: in Motherboards
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October 20, 2010 2:55:51 PM

Hi everyone.When i keep connected ATX 12v 4pin connector near CPU PC dosnt start CPU fan only spins 1 or half time then stops. When I unplugged it that time works but now display at screen. Please help. Thanks..

More about : atx 12v problem

a c 207 Ĉ ASUS
a b à CPUs
a c 716 V Motherboard
October 20, 2010 3:15:57 PM

Welcome to Tom's Forums! :) 

Hopefully, one of three things: 1. Short or 2. Bad PSU or 3. Poorly mounted CPU.

First and simplest, to test for a "short" unscrew ALL of the MOBO mounting screws and pull away from the I/O shield and dangle the MOBO and try to start {also you can pull-out the MOBO and breadboard}.
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a b Ĉ ASUS
a b à CPUs
a c 108 V Motherboard
October 20, 2010 8:40:53 PM

If none of these suggestions do it for you, a distant fourth possibility is a short in the HSF. I recently fixed a computer where the same problem you had was present. After doing the obvious tests on PSU, mobo, and ruling out shorts, I replaced the HSF and the computer started up w/o problems.
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Related resources
a c 207 Ĉ ASUS
a b à CPUs
a c 716 V Motherboard
October 20, 2010 8:49:08 PM

^ HSF {Human Space Flight / Hispanic Scholarship Fund?} -> Heat Sink & Fan.
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a b Ĉ ASUS
a b à CPUs
a c 108 V Motherboard
October 20, 2010 9:01:08 PM

^ MOBO {manufacturer and wholesaler of cellular phone accessories?/urban music award show?} -> motherboard
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a b Ĉ ASUS
a b à CPUs
a c 108 V Motherboard
October 20, 2010 9:22:34 PM

^+1 lol i saw that one too
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