Bad PSU/ GPU not entirely sure

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RedASgard

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Mar 17, 2011
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Apologize for the poor formating, and if this is in the wrong section.

So i just got my GPU in Monday, after having to yank everything from new case and plopped back into the old. So the new one will have space on the edge of card.
I've run into random reboots when GPU is under a full load, after a couple of minutes it begins to artifact. And when temps reading off MSI Afterburner hits roughly 80/81°C. Randomly Reboots.

* I've read that the GPU can go up to 87°C which sounds extreme to me, since my sapphire 5830 hit 71°C with stock cooler under full load.

* I'm aware IMO that the temps seem stupid high.

**Trying to troubleshoot to see if it's my PSU failing on adequate power or if its a defective card.
Reading in some forums and here, the XFX/Radeon 7900's just seem to have some major issues.

If it is heating issue, suggestions and types of cooling would be great


Also uninstalled drivers and reinstalled with the latest ones.

Case: ancient case (with current stuff)Fans back, front, top, side.
RAIDMAX ATX-248NWB (GPU doesn't fit replacing case future)
Monitor: LG W2486L Black 24"
CPU: Intel Core i7-960 Bloomfield 3.2GHz LGA 1366 Quad-Core
Fan: COOLER MASTER Hyper N 520 RR-920-N520-GP
MOBO: ASUS Sabertooth X58 LGA 1366 Intel X58
RAM: Mushkin Enhanced Radioactive 6GB (3 x 2GB) DDR3
HDD: (OS/Main) WD VelociRaptor WD3000HLHX 300GB
(2nd/3rd) l WD Blue WD10EALS 1TB
WD 640GB Unk series atm
PSU: APEVIA ATX-CB700W 700W
GPU: XFX Double D FX797GTDFC Radeon HD 7970 GHz Edition
replaced Sapphire HD 5830 Extreme
Headset: Creative SB Tactic Sigma
Loc: U.S. (Shops Newegg)
 
Solution
tiny voices
The PSU is junk for sure. The old card would actually use more or the same amount of power the 7970 will so this might not be the issue. That said, the GPU is a bit warm. This could be the issue. 81 degrees is hot but likely not hot enough to shut the card down.

If at all possible, test the 7970 in another computer. Get a new PSU too. That unit is complete junk and if it fails, will take out your whole rig.
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J_E_D_70

J_E_D_70

Splendid
Mar 21, 2012
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Couldn't find a review of that particular model (lemme guess - Cyber or iBuyPower?) but it gets 33% one egg reviews at Newegg. Not a good sign.

Still not sure if that would create artifacting tho and does seem kind of hot.

What GPU did you have before?
 
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R

RedASgard

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Custom build, not pre-assembled from any one company.

 
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R

RedASgard

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Mar 17, 2011
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The 7970 ghz ed is replacing my sapphire hd 5830 extreme
 
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tiny voices

tiny voices

Titan
Sep 6, 2012
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The PSU is junk for sure. The old card would actually use more or the same amount of power the 7970 will so this might not be the issue. That said, the GPU is a bit warm. This could be the issue. 81 degrees is hot but likely not hot enough to shut the card down.

If at all possible, test the 7970 in another computer. Get a new PSU too. That unit is complete junk and if it fails, will take out your whole rig.
 
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Solution
R

RedASgard

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Mar 17, 2011
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Yeah going to do that tonight, attempt to try it roommates PC, since he has my older Rosewill PSU. Thou it is a lower wattage so might just end up rebuying a new PSU.

Darn those sales on PSU. Cheaper isn't always better.
Will do a follow up on post as soon as i can get a PSU.

Also is there a way to judge if card is bad in the event both are bad both the GPU and PSU? That way i can RMA in the time being well scouting a solid PSU/
If not no biggy.

 
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RedASgard

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Mar 17, 2011
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So the ones that suggested it be the PSU, I do believe now after running Bitcoins as my stress tester on roommates computer that my PSU is the problem. THou I'm shocked the Rosewill 550w runs it so well especially with Crysis 3 on max settings. No random crashes, no artifacting. Sticks around 66°C under a full load.

So looks like a new PSU will be next on the list SMH.
 
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R

RedASgard

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So following up, I bought a new PSU.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817182133

(this was with the old Apevia junk PSU) And in the temporary process, to help prevent the sudden reboots, I went into the system of win 7 to change out the first option to send message when power supply fails, and left 2nd option as reboot. Instead of 1 being reboot. Which helped abit with informing me more that it was the darn psu.

But all is well now.
I thank everyone for your comments as I was looking for idea's.
 
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