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Drivers crashing - GPU or PSU?

post #1 of 7
Thread Starter 
Hi guys.

I just completed my first build last week. You can see the specs in my sig.

So right now I'm in a bit of a bind. My GPU keeps crashing when I'm doing something heavy-lifting, like Heaven benchmark maxed out. The drivers will just keep crashing.

First I thought it was because of my PSU's 12V rail. It has 2, with 18A each, and the 2 6-pins are both on 1 rail. Since the box says it requires 24A, I went and bought a molex to 6 pin connector, and plug that in, but still no dice.

What should I do? Any troubleshoot steps I should take to determine which is the culprit?
post #2 of 7

I don't know how good or bad the 500W FSP Hexa is (it doesn't look like a good unit to me), but it does claim to have a +12V capacity of 34A (408W divided by 12 because it's the +12V rail):

 

http://www.overclock.net/t/1321814/dual-vs-single-12v-rail/0_100

 

hexa500_specs.jpg

 

(source)

 

So if your entire system is still at stock, then the only thing I can recommend is to try other driver versions:

 

NVIDIA Beta and Older Drivers search page

 

Newer version of the page

It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
post #3 of 7
Thread Starter 
Do you think it can be due to a bad PSU/GPU?
post #4 of 7
I would first try different drivers. Make sure you uninstall drivers correctly:

http://www.overclock.net/t/988215/how-to-properly-uninstall-ati-amd-software-drivers-for-graphics-cards/170

If you are still having the same issue, if have a different GPU laying around you can try that to see if you are getting the same problem as well.
post #5 of 7
Thread Starter 
Huh, it seems there are a lot of people with crashing issues with the GTX 660Ti on stock. It seems to be a widespread problem with the first batch of cards.

I'll try drivers first, though. If that fails, back to the shop it goes.
post #6 of 7
Thread Starter 
After having a brain fart and discovering that the x16 slot I installed the card in was running at x4 mode, I changed the slotting and it finally managed to pass 1 run of Heaven. thumb.gif

So it's not a bad card, just a dumb me.
post #7 of 7
Ahh ok i'm glad to hear you got it working smile.gif.
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