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xfx r7970 double d no vga card when stressed

Tags:
  • Samsung
  • VGA
  • AMD
  • XFX
  • Build
  • Motherboards
  • Graphics
  • Asus
Last response: in Graphics & Displays
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August 7, 2013 7:46:17 AM

Just finished my first build in awhile:
Asus M5A99FX PRO R2.0 140Wmax
AMD FX 8350 125W
XFX Radeon HD 7970 ddr5 250Wmax
Kingstone Red 8gb Ram module
Samsung 840 series SSD .071W
Toshiba 1TB HDD 6.5Wmax
Thermaltake 750 Watt bronze PCU

I put all the newest drivers on for the motherboard and GPU and everything works great...until I try to burn the system in and it shuts off (one long beep followed by 3 short beeps) indicating VGA test failure I think (or my motherboard stops seeing the GPU?).

Im running 2 8 pin connectors from my PCU. Going into the GPU, one is a 6 pin and the other and 8.

Temps are all normal. Total system wattage is well under 600.

So what do you guys think? Bad card? Bad motherboard slot?

More about : xfx r7970 double vga card stressed

a b V Motherboard
August 7, 2013 7:50:59 AM

by burning the system do you meen Furmark? if yes, then furmark wont run with the latest driver...why? because AMD doesnt want it to run :p 
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August 7, 2013 7:56:01 AM

My first thought was power. Everything fine until load put on it could be a power issue. Thermaltake has had some bad PSUs before but not like this. My guess is PSU or GPU. Try in other machines and see if the problem moves with it
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August 7, 2013 7:59:54 AM

Thanks for the advice. I will try to move the card to a friend's machine today.
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August 7, 2013 2:34:35 PM

Update:

Hooked it into a different motherboard slot and got the same result. Tried powering the card with a friend's nice 1000watt power supply and got the same effect.

I'm RMAing the thing back to tiger direct.
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August 7, 2013 7:26:55 PM

Would sound like the card then. Make sure you tell them what you did to come to this conclusion so they know.
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August 11, 2013 8:47:09 AM

I've been searching the interwebs while awaiting the new r7970 and I'm nervous that I ran the power weird. I ran 2 8pin connectors out of the PSU. On the card end I used the 6+2 fitting to fill the 8 pin hole and another 6+2 fitting (with the extra 2 pins not plugged in) to fill the 6 pin hole. Was I causing an overload at my PSU?
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August 11, 2013 3:14:48 PM

I have no clue what you are talking about. Can you link the parts involved? If you used one PCIe power strand that could have been your problem. My Antec 750W Green doesn't like it if I use only one power "chain" to power my 7950. Works fine if I use two. You won't have damaged anything by not using the +2, but it could explain why it didn't work.
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August 11, 2013 3:18:42 PM

The new card is here and it seems to be working great. Thanks for the advice everyone! :) 
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