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Just added in another GPU, cant get it to recognize

post #1 of 53
Thread Starter 
Hey guys I added a HD 5750 into my rig. Which is kinda insane since I already have 2 6970s that are watercooled. Couple reasons I done so is because

1. With my main cards running MW, my screen gets all laggy/jumpy. I am hoping to use the 5750 to run video while the others crunch away.
2. My nephews like to jump on my rig when its crunching, then it runs like crap until it locks up when they play something like Witcher 2.
3. Puts a spare card to good use, cant be good for it to sit in a box thumb.gif.
4. Really wanna see if its possible. And would be awesome to max out my rig.

I had to do the old MOBO mod, and cut open a PCIe x4 lane end open so the card could fit. I seen it done before, but cant remember the article/thread. Everything fits perfectly and all the pins in the lane are contacting as far as I can tell. But I cant get the card to recognize in the system. I tried to install drivers, but no go so far. I have power plugged in, and its fan is spinning. I also have a dummy plug inserted into the DVI port on the back.

Any suggestions??

Also, Balwolf let me know when your drivers update on your site. I will use them if they are ready.
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post #2 of 53
1. Is your PSU up to the job ?
2. Does it appear in device manager ? ( Assuming some version of Windows ? )
3. Monitor plugged in ?
4. Desktop extended onto 2nd/third display ?

Out of ideas now !

dunx
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post #3 of 53
Thread Starter 
PSU is more than up for the job. According to Phad's PSUcalc 1.5

I am running windows, but it doesnt show up in the device manager. I have a dummy plug inserted to help get it recognized. But when I plug my monitor in, I get no video.

After the BGB, should I tear down my rig and see if I can get just that one card to run in the slot that its in??
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post #4 of 53
Quote:
Originally Posted by goodtobeking View Post

After the BGB, should I tear down my rig and see if I can get just that one card to run in the slot that its in??

If it does work, then it could just be that Catalyst Control Center is purposely disabling it. I tried to run an HD 5770 alongside an HD 4670 in a rig and I wasn't able to get them both working together frown.gif
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post #5 of 53
Are the other two X-fire'd ?

I'm not lucky enough to own three of the same make...

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post #6 of 53
Thread Starter 
Not 3 of the same make, 2 6970s and a 5750. But yes they are Xfired.

Gamer that doesnt sound promising lol. I heard of users using AMD as their main cards, and using a Nvidia as physics. So I figured this would be a lot easier since they are all AMD. If it is easier to run it like that, I can switch this out for a GTX 460 that is in my nephews rig.
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Bubble Bee Tuna
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post #7 of 53
Quote:
Originally Posted by goodtobeking View Post

Not 3 of the same make, 2 6970s and a 5750. But yes they are Xfired.
Gamer that doesnt sound promising lol. I heard of users using AMD as their main cards, and using a Nvidia as physics. So I figured this would be a lot easier since they are all AMD. If it is easier to run it like that, I can switch this out for a GTX 460 that is in my nephews rig.

Sorry, I was just speaking from a bad experience. Running AMD alongside Nvidia cards is painless. Have you tried disabling the CrossFireX option and see if that changes things?
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post #8 of 53
boinc doesnt care of cards are crossfired or in sli. i have ran many systems in both configurations and have never had a problem.
    
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post #9 of 53
Thread Starter 
Yeah I have still yet to get it working. My new tubing for my loop should arrive tomorrow, I will switch out the 5750 for the 460 when I tear my rig apart again.

Anything special I need to do to get the GTX card to work with the HD cards?? And since I dont crunch Dirt often, would it be worth it to install Bal3wolfs modded drivers??
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post #10 of 53
Quote:
Originally Posted by goodtobeking View Post

Yeah I have still yet to get it working. My new tubing for my loop should arrive tomorrow, I will switch out the 5750 for the 460 when I tear my rig apart again.
Anything special I need to do to get the GTX card to work with the HD cards?? And since I dont crunch Dirt often, would it be worth it to install Bal3wolfs modded drivers??

Install the driver for the main card first and then install the driver for the second card. Easy as that smile.gif
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