I'm having bad problems with this GPU, and after a lot of effort troubleshooting it, I'm at the end of my rope.
Symptoms:
I have a GTX 770. Periodically while I'm using it (from every 30 seconds to 30 minutes) the screen freezes, goes black, and then comes back with a system tray warning appearing notifying me that Windows has recovered from a display driver crash. While browsing the web, text sometimes renders a little fuzzy and there are dots on the screen. When I test the card with OCCT's error test, it racks up hundreds of thousands of errors in minutes.
I also had a couple problems with it about a year ago just after I bought it. The display drivers would crash once every few days, but it would crash badly and I'd have to restart Windows. This only happened a few times over a couple weeks and then went away, then I had no problems for a year, so I never did much about it. Then suddenly problems began happening again. There were no notable system changes to my knowledge that preceded these problems surfacing, it just happened one day.
Troubleshooting:
I've updated the Nvidia drivers to the latest (v340.52). I even updated the card's BIOS. Nothing changed. I also tried rolling back to an older driver (v327.23), still the crashes continued. The generic driver Windows uses does not have this problem, but it also doesn't utilize most of the card (OCCT gets 2 FPS instead of 60).
The card isn't being stressed when this happens, there's nothing open other than the browser, there's almost no load at all. In fact when I do try to play a game on it, it seems to work OK. Temperatures are low, less than 45C. It's virtually dust-free and well ventilated. I've tried reseating it several times, nothing changed. I see no signs of any bitcoin mining malware or anything like that.
The card is overclocked out of the box. I tried underclocking it, down to the reference card values and even below that, nothing changed.
I do not get any of these symptoms when using the Intel integrated graphics in the CPU, or when using an older PCI-Express card in the same slot. I tried putting the 770 in an older PC too, and I saw no problems there and OCCT reported 0 errors after several minutes. It seems only to be this card in this computer.
I even went to all the trouble of reinstalling Windows, and I installed nothing but the Nvidia drivers, DirectX, the .NET framework, and OCCT. OCCT still reported errors, and then the drivers crashed once again. What a pain that test was.
I saw a suggestion that memory errors could be responsible, but my RAM seemed to pass memtest86 with no problems.
The power supply is 860 watts, seems to be perfectly adequate for a single GPU.
System specs:
-Intel 4770K
-Asus Sabertooth Z87
-16 GB Crucial Ballistix DDR3 RAM
-Asus GTX770 Direct CU II OC
-Samsung 840 Pro 256 GB
-Windows 8.1
-Corsair AX860i PSU
After all this, my only guess was that the card is defective. I went through the RMA process with Asus. They sent it back to me, and it appears to be the same card. It has the same serial number at least. It's still not working. They didn't send back any explanation for what they did, if anything. I'm unsure about whether I should be pissed off at them at this point.
I can't figure out what to blame here, unless it is in fact a faulty card and Asus screwed me. Or maybe its the motherboard, even though it worked with an older card. I don't know what to do next. Any suggestions?
Symptoms:
I have a GTX 770. Periodically while I'm using it (from every 30 seconds to 30 minutes) the screen freezes, goes black, and then comes back with a system tray warning appearing notifying me that Windows has recovered from a display driver crash. While browsing the web, text sometimes renders a little fuzzy and there are dots on the screen. When I test the card with OCCT's error test, it racks up hundreds of thousands of errors in minutes.
I also had a couple problems with it about a year ago just after I bought it. The display drivers would crash once every few days, but it would crash badly and I'd have to restart Windows. This only happened a few times over a couple weeks and then went away, then I had no problems for a year, so I never did much about it. Then suddenly problems began happening again. There were no notable system changes to my knowledge that preceded these problems surfacing, it just happened one day.
Troubleshooting:
I've updated the Nvidia drivers to the latest (v340.52). I even updated the card's BIOS. Nothing changed. I also tried rolling back to an older driver (v327.23), still the crashes continued. The generic driver Windows uses does not have this problem, but it also doesn't utilize most of the card (OCCT gets 2 FPS instead of 60).
The card isn't being stressed when this happens, there's nothing open other than the browser, there's almost no load at all. In fact when I do try to play a game on it, it seems to work OK. Temperatures are low, less than 45C. It's virtually dust-free and well ventilated. I've tried reseating it several times, nothing changed. I see no signs of any bitcoin mining malware or anything like that.
The card is overclocked out of the box. I tried underclocking it, down to the reference card values and even below that, nothing changed.
I do not get any of these symptoms when using the Intel integrated graphics in the CPU, or when using an older PCI-Express card in the same slot. I tried putting the 770 in an older PC too, and I saw no problems there and OCCT reported 0 errors after several minutes. It seems only to be this card in this computer.
I even went to all the trouble of reinstalling Windows, and I installed nothing but the Nvidia drivers, DirectX, the .NET framework, and OCCT. OCCT still reported errors, and then the drivers crashed once again. What a pain that test was.
I saw a suggestion that memory errors could be responsible, but my RAM seemed to pass memtest86 with no problems.
The power supply is 860 watts, seems to be perfectly adequate for a single GPU.
System specs:
-Intel 4770K
-Asus Sabertooth Z87
-16 GB Crucial Ballistix DDR3 RAM
-Asus GTX770 Direct CU II OC
-Samsung 840 Pro 256 GB
-Windows 8.1
-Corsair AX860i PSU
After all this, my only guess was that the card is defective. I went through the RMA process with Asus. They sent it back to me, and it appears to be the same card. It has the same serial number at least. It's still not working. They didn't send back any explanation for what they did, if anything. I'm unsure about whether I should be pissed off at them at this point.
I can't figure out what to blame here, unless it is in fact a faulty card and Asus screwed me. Or maybe its the motherboard, even though it worked with an older card. I don't know what to do next. Any suggestions?
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