Bad PSU?

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-Sylvan

-Sylvan

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I bought a Corsair TX 750 5 months ago, lately I have been getting freezing in games. I had both my CPU and GPU overclocked, so I decided to reset my GPU overclock.
I got a freeze on the desktop.
I am thinking it is maybe my PSU...

Speedfan says I am getting 10.56V on the +12V rail.

Is that bad for idle? :eek:
 
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-Sylvan

-Sylvan

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I play an mmo, lord of the rings online... fine.

Any other game, like Skyrim or Saints Row the third, it freezes after a while.

So I reset the overclock on the card, and a few hours later my system froze on desktop...


 
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Rugger

Rugger

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That is bad no matter what you're doing...if Speedfan is properly receiving the voltage readings from the mobo. The ATX specification allows +-5% voltages on any of the rails. The acceptable voltage range on the 12V rail is 11.4-12.6V; your reading of 10.56 is 15 out of spec and would certainly cause instability issues. That may not be your issue...Speedfan does not support every mobo in existence and you could be getting incorrect voltage readings from Speedfan.
 
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p_bug

p_bug

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try resetting both the cpu and the gpu to the stock clock speeds and see if the problem gets solved,also check if all the power connectors to the gpu are properly inserted.
 
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lilotimz

lilotimz

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Display drivers crashing is related to the graphic card drivers. You might want to put everything back into stock speeds then clean out the drivers and install them again.

Sidenote - speedfan doesn't always put out the correct readings...
 
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-Sylvan

-Sylvan

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Well, I haven't had any crashes since running the card at stock...

Just driver crashes.

So maybe you are correct.

I will try it, I will also buy a voltmeter to check out the 12v rail on my PSU
 
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lilotimz

lilotimz

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i highly doubt it's the PSU since it's a well known and well loved / reputable PSU.

Display driver crashes are nearly 99% of the time due to the nvidia drivers being corrupted or bad.

Also don't buy a voltmeter until you rule out the possibility of just driver problems as it'll be a big waste of money if you get it then find it its just a software issue.
 
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hunter315

hunter315

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May 12, 2009
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Software is notoriously bad at getting totally accurate voltage readings, check your voltages in BIOS or with a digital multimeter if you want accurate numbers, but I can tell you that speed fan is wrong since your system would not be able to keep running once the 12 V rail dropped below 11 the under voltage protection would kick in and turn it off.

A recent version of HW monitor finally fixed the voltage readings on my board, but several versions used to read my 12 V rail as somewhere between 4 and 8 Volts which was obviously wrong.

The crashes are most likely software related.
 
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