8800GTS will not power on correctly

Evga / 8800gts
July 20, 2012 at 23:38:16
Specs: Windows 7, AMD PHenom II X4 955
I have an EVGA 8800GTS 320mb that ran fine for years and randomly stopped working. I feel heat on the back of the card (120f it feels like) but the fan isnt on and I see no image. This is the only card I have and am too poor to get a better one and am investing in a new phenom ii x4 because my old pentium 4 got fried. Thanks.

The computer I am getting is a low budget PC and I want to run some games and I cant do it with onboard graphics. The new build goes as follows and would like a few suggestions.

MSI 760GM-P23 AM3+ motherboard
AMD Phenom II X4 955 OEM
G.SKILL Ripjaws Series 4GB DDR3 1333 1x4GB
Rosewill RCX-ZAIO-92
Coolermaster 500w psu

My OLD PC goes as follows

Pentium 4 @ 3.3GHz (OC from 3.0)
2GB DDR2 Kingston
Stock cooler
Some old biostar motherboard
500W coolermaster PSU

Heat was NEVER an issue. I have an antec 300 with all the fans installed, 3 intakes (2 120mm in front, 1 120mm on side) and 2 outtake (120mm in back, 140mm on top)

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July 21, 2012 at 06:38:19
I can understand wanting to get away from the P4, but what makes you think it's fried? It can't have been overheated to death because of it's built-in thermal protection, so it would have had to been extremely overvolted or there was some sort of power surge. And how is it that you're able to build a new system from scratch but you're too poor to get a video card? Maybe if you change your configuration a bit?

This CPU alone will save you $28 over the OEM Phenom + separate HSF: AMD Athlon II X3 450 Rana 3.2GHz - $70

And get a decent motherboard based on a newer chipset & with 4 RAM slots. Geeks.com just got in a bunch of Asus refurbed boards. Here's one possibility: ASUS M5A88-V EVO AMD 880G Socket AM3+ - $48

Then you can get 2 x 2GB (or 2 x 4GB) RAM to run dual channel mode, plus you'll be able to add more later.

The Cooler Master PSU has to go, especially if it's one of the low end series like the Elite or eXtreme. If this PSU was used in the P4 system, it could be the reason both the P4 & video card fried.

CORSAIR Builder Series CX430 - $22 after rebate

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July 21, 2012 at 06:39:59
It is possible that your Coolmaster 500W power supply is not up to the task of the new computer and graphics card. Coolmaster makes a few lines and the cheapest often low on the 12 Volt rail(s) which is needed more now for the newer computers and for your graphics card. You should look for power supplies that have a single 12 volt rail, 50% or more certified efficiency, active PFC, and a quality name brand. Avoid the cheapest, but there are always decent ones that are reasonably priced. Post the detailed specs from your power supply to be sure, especially the amperage on the 12 volt rails and (if supplied) the wattage on the total of your 12 volt rails (independent of your total wattage). Just to be sure, tell us if this is the same power supply from your old PC.
This 430Watt power supply I am sure has more available 12Volt amperage available than your 500Watt unit:
Plus it is reasonable and with the rebate will only cost you about $22.
These are the detailed specs:
+3.3V@20A, +5V@20A, +12V@28A, -12V@0.8A, +5VSB@3.0A
notice that the 12 Volt can supply 28Amps and if you look at the image of the label, the 12 Volt can supply up to 336Watts out of your 430Watts total if required (and nothing else needs some of it).

You have too many fans, the MOST you need it one front input fan, one in the rear, and one in the power supply. Putting one in the top will not hurt you (not needed) but the side fan(s) can disrupt the proper air flow.

You have to be a little bit crazy to keep you from going insane.

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July 21, 2012 at 23:47:40
I bought a new PSU after hearing what you guys said. I grabbed the 430 corsair one you suggested. In terms of motherboard, I really wish I saw that one before I bought the one I did. I bought the Asus M5A78L-M LX PLUS AM3+ for the same price, and it only has vga, 1 pci-e x16 and 2 ram dimm slots, but then again it was new instead of refurbed. I was seriously considering that athlon ii x3 because it can unlock to the x4, but i'm very skeptical.

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