GTX 760 and Power Supply

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KRKATANAKID

Reputable
Oct 26, 2014
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I just recently bought a GTX 760 and my computer crashes if I max the card out. I have also seen some incompatible DLL errors. I am having no issue with heat, and I can run the card for days straight in games like Minecraft, etc. I opened up ASUS Probe II and noticed right before the crash my 12V rail goes down to 11.54 V. I am not sure if this is an issue. I used ASUS' power supply calculator and it recommends a total of 550w for my system. I have a 680w psu. So you would think this is no big deal, right? Well NVidia recommends a 30A 12V rail for the whole system and mine is only 22A. Could this be causing the voltage to drop? Is that enough of a drop in voltage for the whole system to crash?
 
Solution
Geekwad
Not all PSU's are the same, and wattage rating can certainly be misleading. As in car stereo amplifiers, a low quality amp may advertise the ability to produce 1000w max, but a high quality 100w amp will sound and perform entirely unexpectedly if you're just looking at the headline rating:

http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html

It sounds like you've zeroed in on the right problem to explore first though......get a better quality PSU.

Incompatible dll's are a different issue; I would start with a complete driver uninstall/reinstall and see if that helps. If it's game specific, then explore the same option with the game (depending on the context of the message).
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Geekwad

Geekwad

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Sep 25, 2015
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Not all PSU's are the same, and wattage rating can certainly be misleading. As in car stereo amplifiers, a low quality amp may advertise the ability to produce 1000w max, but a high quality 100w amp will sound and perform entirely unexpectedly if you're just looking at the headline rating:

http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html

It sounds like you've zeroed in on the right problem to explore first though......get a better quality PSU.

Incompatible dll's are a different issue; I would start with a complete driver uninstall/reinstall and see if that helps. If it's game specific, then explore the same option with the game (depending on the context of the message).
 
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Solution
K

KRKATANAKID

Reputable
Oct 26, 2014
12
0
4,510
Forgot to close this. Went to Best Buy and dropped $60 on a 650w 50A 12V psu, and it solved the problem. Thanks for providing a second opinion before I went out and started replacing parts!
 
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