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7950 GX2 black screen or BSOD at windows start


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#1 Jmadden

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Posted 13 April 2010 - 11:45 PM

So I bought the 7950 gx2 quite a while ago, right around when it first came out and it ran me about 600$. I built my system around it based on the SLI requirements, I shall start out by listing the system specs.

Windows xp pro sp3
Asus m2n32 sli deluxe mobo
AMD athlon 64 x2 5400+
CORSAIR XMS2 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model TWIN2X2048-6400
Sparkle FSP 550 watt psu
and of course the 7950gx2

So I put the system together and everything started up and ran fine and dandy for a solid year or maybe a bit more. One day I was installing a new game and decided that it's time I update my drivers. After updating my graphic card drivers I restart my computer everything is loading up fine until windows tries to start and I get a BSOD Page fault error in non paged area having to do with this nv4_mini.sys. Safe mode still works so I try backtracking to the old drivers no luck. After some trial and error I discover that I can disable one of the 2 7950gx2's in device manager and everything is fine as long as I ignore the 600 dollar card in my system running at less then half what it should be doing. Running the system like this I spend the next 2 weeks browsing forums and making posts trying to find a solution to the problem. Some suggest one card is dead however I am able to disable either on of the 2 in device manager and still run fine also they don't have any errors posting so I assume they both work. After 2 weeks of searching with no payoff I finally give in to the fact that I shall have to use half of this card and be very saddened at my loss of 100's of dollars. Over the next couple of years I occasionally glance around forums for any possible solutions but don't find any and give up...until now. Not sure why but I got a spark to look into it once again which brings me here. I have again looked around forums but found nothing other then a possible memory leak ran memtest86 passed fine so I guess that is not it. Alas I am ready for suggestions. Oh yes I also have tried taking the card out booting shutting down and putting the card back in.

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#2 Jmadden

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Posted 13 April 2010 - 11:47 PM

Tried this up on suggestion from another forum.

Update: So I got the newest chipset drivers from the asus website I think I probably had them already seeing as they were 3 years old but I tried anyway. Upon restart there was a change I got a BSON (blank screen of nothingness) meaning my monitor didn't receive signal and shut off however I know windows didn't even load up because I didn't hear any sounds of it starting. I then restarted to safe mode and for fun tried uninstalling my video card, restarted, reinstalled, restarted, and back to the BSOD page fault.

Edited by Jmadden, 14 April 2010 - 01:22 PM.


#3 Jmadden

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Posted 14 April 2010 - 11:43 PM

Any help here would be hot.

#4 DeathStalker

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Posted 15 April 2010 - 01:58 PM

I don't know if this helps you at all, but I did the same thing you did, except I got 2 9800GX2's for quad SLI. They NEVER worked correctly and I dragged my feet about RMA'ing them. (Took me a while to figure out that BOTH GPU's were bum.) I finally took them both out after replacing virtually every other component and put a 5850 in instead. I haven't had a problem since. I personally don't think nVidia really perfected the technology but won't come out and say so.

Edited by DeathStalker, 15 April 2010 - 01:58 PM.


#5 Jmadden

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Posted 15 April 2010 - 02:19 PM

Yeah, I fee like you are probably correct about that. Luckily I haven't replaced anything seeing as I know its the video card but I am saddened by the waste of money.

#6 DeathStalker

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Posted 17 April 2010 - 03:52 PM

Tell me about it. I have two $600 paper weights. LOL Since I have 2 maybe I could use them as book ends.........

#7 cryptodan

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Posted 17 April 2010 - 07:36 PM

Try this: Driver Sweeper to remove the older drivers and start a new.

#8 Jmadden

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Posted 19 April 2010 - 07:11 PM

Tried driver sweeper on both chipset and display driver, same result....so sad.

#9 Jmadden

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Posted 19 April 2010 - 07:35 PM

I may have some food for thought. Upon reading another forum post by someone else with a similar issue I decided to us Nibitor to check out my GPU's BIOS versions. Interestingly I found they have 2 different versions, I can only assume this is problematic. I am not certain which one is which but I believe the one on the bottom of the card (being the one that's not plugged into the mobo) has version 5.71.22.24.06 whilst the other one has 5.71.22.24.05. Please let me know if this is irregular and if so what I may try doing to fix said issue.



Edit: More news from the front. Upon this realization I decided to try disabling a different card then the one I've had disabled for so long (I believe the one I've had disabled is the one with the (5.71.22.24.05) but I can't be certain. So I swapped the disabled for the enabled and upon restarting was surprised to see that my monitor could only go to 1024x768 when it's usual is 1920x1080. I then went into device manager before restarting and enabled the other card (btw the card that I normally have enabled is the one on the bottom in device manager not sure if it's physically the on on the bottom) after doing this and right clicking on my desktop to check my settings I noticed that my computer once again recognized me having a 7950 gx2 instead of default display and was able to go to 1920x1080 however when I did this the screen just went black then lost display input. This forced me to restart back to BSOD and disable the top card in device manager again from safe mode. Hopefully this news helps somehow.

Edited by Jmadden, 19 April 2010 - 08:07 PM.


#10 meuchel

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Posted 22 April 2010 - 10:03 PM

something I came across with certain nVidia cards is that the driver from nVidia's website doesn't always work on OEM cards like XFX or PNY you have to use the latest release on the manufacture's site. something with oem coding of the driver.
are your 2 cards the same brand?

#11 cryptodan

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Posted 22 April 2010 - 10:05 PM

something I came across with certain nVidia cards is that the driver from nVidia's website doesn't always work on OEM cards like XFX or PNY you have to use the latest release on the manufacture's site. something with oem coding of the driver.
are your 2 cards the same brand?



That is a bit false information. The drivers from http://www.nvidia.com work fine for any and all video cards developed and created by various OEM's even the ones you listed.

#12 brethin

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Posted 05 March 2011 - 09:38 AM

something I came across with certain nVidia cards is that the driver from nVidia's website doesn't always work on OEM cards like XFX or PNY you have to use the latest release on the manufacture's site. something with oem coding of the driver.
are your 2 cards the same brand?



That is a bit false information. The drivers from http://www.nvidia.com work fine for any and all video cards developed and created by various OEM's even the ones you listed.


Wrong! the factory Nvidia drivers from www.nvidia.com DO NOT WORK with all cards, esp the 7950GX2. Download the OEM drivers for this card if you want your 7950GX2 to work.

#13 cryptodan

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Posted 05 March 2011 - 11:13 AM

Where do you think the OEM's get their drivers from? The drivers provided by OEM's contain minor enhancements. I have used a variety of cards from XFX, BFG, eVga, and others and all of these cards worked with drivers downloaded directly from www.nvidia.com. The only cards that do not work is some mobile chipsets those drivers needed to be downloaded from the manufacturers website such as Dell, HP, Compaq, or Gateway.

nVidia provides the reference designs for the cards that the OEM's use, so they also provide the drivers. They work. The 7950GX2 can be used with drivers from nVidia.com as shown here:

GeForce 500 series:
GTX 570, GTX 580

GeForce 400 series:
GT 430, GTX 480, GTX 460 SE, GTX 460, GTX 470, GTX 465, GTS 450

GeForce 200 series:
GT 240, GTX 260, GTX 285, G210, GTX 280, 205, GTS 250, GTS 240, GT 230, GTX 275, GT 220, GTX 295, 210

GeForce 100 series:
GT 120, GT 130, G 100, GT 140

GeForce 9 series:
9300 GE, 9400, 9600 GT, 9800 GX2, 9500 GS, 9300, 9500 GT, 9800 GT, 9600 GSO, 9400 GT, 9200, 9800 GTX/GTX+, 9300 GS, 9600 GS, 9100

GeForce 8 series:
8800 GT, 8400, 8600 GT, 8300, 8500 GT, 8800 GTS 512, 8800 GTS, 8800 GS, 8200 / nForce 730a, 8600 GTS, 8100 / nForce 720a, 8800 Ultra, 8400 SE, 8200, 8600 GS, 8300 GS, 8800 GTX, 8400 GS

GeForce 7 series:
7900 GS, 7300 LE, 7500 LE, 7600 GT, 7800 GS, 7100 / NVIDIA nForce 630i, 7300 GS, 7800 SLI, 7950 GX2, 7350 LE, 7600 GS, 7100 / NVIDIA nForce 620i, 7650 GS, 7950 GT, 7800 GTX, 7600 LE, 7900 GTX, 7150 / NVIDIA nForce 630i, 7300 SE / 7200 GS, 7100 GS, 7025 / NVIDIA nForce 630a, 7300 GT, 7050 / NVIDIA nForce 630i, 7050 / NVIDIA nForce 610i, 7900 GT/GTO, 7050 PV / NVIDIA nForce 630a, 7550 LE

GeForce 6 series:
6600, 6500, 6150LE / Quadro NVS 210S, 6100, 6200 A-LE, 6800 GT, 6800 GS/XT, 6200SE TurboCache, 6800 Ultra, 6100 nForce 405, 6800 XT, 6250, 6800 LE, 6200, 6150, 6150SE nForce 430, 6700 XL, 6600 LE, 6100 nForce 400, 6200 TurboCache, 6800 XE, 6800 GS, 6600 VE, 6600 GT, 6200 LE, 6150 LE, 6610 XL, 6100 nForce 420, 6800

ION series:
ION, ION LE


Any of those cards from any manufacturer like PNY, XFX, eVGA, BFG, and others will work.

Edited by hamluis, 05 March 2011 - 01:29 PM.
Removed unnecessary quote.


#14 kwainewman

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Posted 10 April 2011 - 10:51 PM

HI there..I'm an owner of the geforce 7950 gx2 and im gunna share my soulution to get this card working properly...i bought this card second hand so wen i couldnt get both the cards to work naturally i thought i bought a dodgey but after reading that ppl had the same issues with a brand new card it made me start to think mine might not be bad which thank god it wasent.. i too paid 300 bux for this card second hand and thought i got ripped off but after some many days of stuffing around i accidently stumbled on a way to get too your desktop with both cards enabled in device manager..well here goes i really hope it helps other ppl..

first these instructions are for an intel chipset i read that this card does have issues with athlon chipsets but i cant be 100 per cent certain...
now this is excatly what i did to get this goin.. its way overkill and a huge pain but its worth it..just so you know im on a brand new i5 on an asus p7p55d-e EVO..windows xp 64 bit..

1.d/l and install the latest intel chipset drivers..restart..
2. uninstall all drivers for your card and d/l the latest from the nvidia site...
3. b4 restarting after removing your video drivers go to device manager and disable the top card first and leave the bottom 1 enabled then restart.
4.when you get to your desktop install the newest drivers for the bottom card when that it done make sure in device manager the top card is still disabled..sumtimes it enables it after install..restart in nromal mode and cross ya fingers if you get to your desktop after doing thses steps things are goin well..
5.boot in safe mode and disable the bottom card and then enable the top card and restart in normal mode..now install the same drivers for the top card as you did the bottom...when that is done go too nvidia control panel and make sure multi gpu is enabled..then go too device manager and enable the bottom card and you should be good to go..\

really hope this helps ppl.. this card is really good when working properly but good luck getting any help from nvidia about this card i got no help at all when i contacted them..which sux cause i have been a loyal nvidia customer way back in the old p2 days...
5.




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