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Power Supply Issues


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#1 chiangela

chiangela

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Posted 10 December 2008 - 01:04 PM

Hey, there. I'm having issues with a power supply I just bought [Antec Earthwatts 500W PSU]. I just bought a new mobo, CPU, and two 2GB RAM sticks from newegg. They all seem to be working properly. However, when everything is connected and I try to turn the computer on, the power supply fan and CPU fan starts to run for about 3 seconds and then completely dies. Do I need to get another power supply?

-Other specs-
ECS A780GM-A AM2+/AM2 AMD 780G HDMI ATX AMD Motherboard
http://www.newegg.com/Product/Product.aspx...N82E16813135075

AMD Athlon 64 X2 6000+ 3.1GHz 1MB L2 Cache Socket AM2 89W Dual-Core Processor
http://www.newegg.com/Product/Product.aspx...N82E16819103272

G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400)
http://www.newegg.com/Product/Product.aspx...N82E16820231122

Antec earthwatts EA500 500W ATX12V
http://www.newegg.com/Product/Product.aspx...N82E16817371007

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#2 dpunisher

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Posted 10 December 2008 - 04:24 PM

Assuming no beep codes:

Verify heatsink is installed properly. Verify cooling fan is plugged into the proper header (should be labeled "CPU"). Retest.

Still no luck, unplug everything from power supply except for mobo(24pin and 4pin)/videocard connectors. The idea is to plug in only the connections you need to get a boot/BIOS screen. Retest. Try to boot with only one stick of RAM installed, swap sticks.

Still no luck, remove motherboard from case, examine standoffs to see if there are extras, or misplaced standoffs shorting the board. Lay out motherboard on an insulated surface (a piece of cardboard works fine). With only memory and videocard installed. Plug in power supply, momentarily short the "PWR" terminals on the MOBO header where the switch was hooked to. Hopefully it will work.

Edited by dpunisher, 10 December 2008 - 04:26 PM.

I am a retired Ford tech. Next to Fords, any computer is a piece of cake. (The cake, its not a lie)

3770K @4.5, Corsair H100, GTX780, 16gig Samsung, Obsidian 700 (yes there is a 700)





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