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Old 11-06-2008, 07:37 PM   #1 (permalink)
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OS: WinXP SP2


[SOLVED] No signal 9800 GTX+

Hello, we'll this is a very confusing issue... so here goes:

I purchased a Evga 9800 GTX and a 700W OCZ PSU 2 months ago and they have been running fine ever since, however I just got home from a 3 week vacation yesterday (everything was unplugged before i left) and my PC wouldn't boot up at all, the fans would spin for .5 seconds then shut off. I assumed it was either the PSU or my motherboard so I had already bought new hardware while I was on my trip and decided to install it all in case it was my motherboard. I installed everything correctly I believe, I added the following parts to my system:

Motherboard: Gigabyte GA-EP45-UD3R
http://www.newegg.com/Product/Prod [...] 6813128359

CPU: Intel Q6600
http://www.newegg.com/Product/Prod [...] 6819115017

CPU COOLER: Asus Arctic Square
http://www.newegg.com/Product/Prod [...] 6835101010

RAM: Corsair XMS2 DHX 4GB DDR2 800 (PC2 6400)
http://www.newegg.com/Product/Prod [...] 6820145194

________________________________________________________________
GPU and PSU (2 months old):

GPU: EVGA 9800 GTX+ 512MB
http://www.newegg.com/Product/Prod [...] 6814130376

PSU: OCZ 700W GameXStream
http://www.newegg.com/Product/Prod [...] 6817341002
________________________________________________________________

Alright, so onto the problem.. I installed everything and the PC started up just fine but I forgot to put in my vista CD to reformat so I put in my CD turned it off and turned it back on and from then on I haven't been able to get any video (I've gotten it to show video maybe twice all day after that). I reseated the video card twice, took out the bios battery and put it back in and still nothing. All the power cables needed for the card were plugged in correctly. I called up one of my friends and he let me borrow another video card to test and I took out my 9800 GTX and plugged it in and I could get video everytime (this card didn't require any cables to power it). However this is where I get confused, while I was troubleshooting the no video problem when I turned on my pc the power was going nuts, it was going on and off and before I installed my new parts I couldn't even get it to turn on but now it's stable with this other video card which brings me to think this is a PSU issue and my graphic card isn't faulty(Can I test to see if my PSU isn't providing enough power now for my 9800 gtx?), I know I can't answer this question without testing both the PSU and the GPU on other computers but I do not have another computer to test this on right now so I'm just looking for some opinions if any of you have some.

- Not a heat issue I don't think:

GPU ~40c
CPU ~27c

Here's a picture of my PC after installing the new parts (yes i know the ram isn't matched but I fixed that already).
Don't mind the wiring.. its temporary.

http://img233.imageshack.us/my.php?image=029dh7.jpg

edit: here's a pic of the PC health status from the bios if that's even needed.
http://img515.imageshack.us/my.php?image=001ap4.jpg

Thanks guys.

Last edited by Esc320; 11-06-2008 at 07:57 PM.
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Old 11-06-2008, 08:35 PM   #2 (permalink)
dai
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Join Date: Jul 2004
Location: west australia
Posts: 56,575
OS: win 7 32x 64x rtm


Re: No signal 9800 GTX+

the gtx+ only pulls 9 watts more than the gtx+
check the psu with a multi meter
iwould run a min of 750w with the cards but you would expect a near new 700w to run it
http://www.driverheaven.net/guides/testingPSU/

set it up out of the case on a piece of cardboard with
cpu
video
ram
speaker
and see if you get post
check you have the correct amount of standoffs no more no less
that they line up with the holes in the m/board
usually 9
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Old 11-06-2008, 11:42 PM   #3 (permalink)
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Re: No signal 9800 GTX+

alright ill try that tomorrow, and i did have an extra standoff but that wasn't the problem, because i rescrewed the mobo back onto my case and plugged in my 9800 gtx again and now i'm getting Power error beeps.
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Old 11-07-2008, 12:18 AM   #4 (permalink)
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Re: No signal 9800 GTX+

since I can't edit my post I'll make another post, I didn't notice the newegg links weren't working if it even matters.

Motherboard: Gigabyte GA-EP45-UD3R
http://www.newegg.com/Product/Produc...82E16813128359

CPU: Intel Q6600
http://www.newegg.com/Product/Produc...82E16819115017

CPU COOLER: Asus Arctic Square
http://www.newegg.com/Product/Produc...82E16835101010

RAM: Corsair XMS2 DHX 4GB DDR2 800 (PC2 6400)
http://www.newegg.com/Product/Produc...82E16820145194

________________________________________________________________
GPU and PSU (2 months old):

GPU: EVGA 9800 GTX+ 512MB
http://www.newegg.com/Product/Produc...82E16814130376

PSU: OCZ 700W GameXStream
http://www.newegg.com/Product/Produc...82E16817341002
____________________________________________________________
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Old 11-07-2008, 01:01 AM   #5 (permalink)
dai
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Re: No signal 9800 GTX+

see if you can borrow a quality 750-850w to try in it
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Old 11-07-2008, 10:45 PM   #6 (permalink)
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Re: No signal 9800 GTX+

Alright well i cant get a psu till tuesday.. but I was able to load in fine under fail safe defaults in the bios...
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Old 11-07-2008, 11:07 PM   #7 (permalink)
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Re: No signal 9800 GTX+

i guess that fixed the problem, i cant beleive i didn't try that, i think my mobo had the optimized settings on before. -_- sigh.. thanks dai
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Old 11-08-2008, 02:52 AM   #8 (permalink)
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Re: No signal 9800 GTX+

glad you have it sorted
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