Radeon hd 7950 black edition overheating

[Tom Whitfield]

Over the last while I have been having problems with my xfx Radeon hd7950 black edition .when I am on the desktop everything is fine but when I enter any GPu intensive app like heaven benchmark or any game it makes a quiet hissing noise and my pc turns off at 77C.before this happened, my gpu could not keep itself cool as it was reaching a tempature of 90c+ then shutting off. I have tried using compressed air to clean my pic but I don't know what else to do.any help is much appreciated.

 

[Barty1884]

Are your GPU fans actually spinning?

What does your case airflow look like?

Please post your full spec too. "Hissing" is an odd description for a GPU.... so it may be coming from elsewhere.

 

[Tom Whitfield]

Are your GPU fans actually spinning?

What does your case airflow look like?

Please post your full spec too. "Hissing" is an odd description for a GPU.... so it may be coming from elsewhere.

my case has the side panel off to allow more airflow as there is only one intake and 1 exhaust.
my specs are:
tracens Radix IV 600w PSU
some AMD atx motherboard
Amd FX-6200 6 core processor with SCYTHE after market cpu cooler
Crucial 8GB 1600mhz DDR3 Ram
XFX HD7950 OC 3GB black EDITION GRAPHICS CARD GHOST DOUBLE DISSAPATION EDITION GDDR5 (384 bit)
Hard drive 1tb seagate
Case: Venom mesh Gaming case withe black interior

 

[Barty1884]

And are your GPU fans spinning...?

 

[Tom Whitfield]

yes both fans are spinning but i used msi afterburner to spin up the fans but i realized that the fans would stop spinning faster after 79%

 

[Barty1884]

Well the fact they're still spinning is a good sign. It sounded like one (or both) of your GPU fans had failed.

Looking back over your symptoms, I don't think temps are the (main) problem here. A little warm, absolutely, but an HD7950 shouldn't be reaching shutdown to save hardware level at high 70's.

You've got a 200W GPU, a 125W CPU (maybe more if you've OC'd) and an unknown board.
Options:
1. Your board isn't suitable for OCing and it's temps from other parts of the board that are shutting you down
OR, most likely
2. Your PSU is nowhere close to capably, consistently running those components (I'm surprised it ever did in all honesty).

I assume this setup was built in 2012, maybe 2013? The GPU was from that era, and so was the PSU, from what I can find at least.
Can't find any updated info on those PSUs, but back in 2012 .... those PSUs were being ridiculed over on Johnnyguru - the links no longer work though (shows the age of the PSU).http://www.jonnyguru.com/forums/showthread.php?t=9453

The "new" 650W variant at the time 36A combined on the 12V rail...... so the "650W" PSU was actually a 432W peak.

Yours is the 600W variant, so I assume closer to 400W..... when new.

Add somewhere near 5 years degration on it, coupled with some higher wattage components (125W CPU, 200W GPU + maybe 100W for the balance), that PSU has been running close to it's actual output (when relatively stressed) for a number of years. It's just had it's day IMHO.