Bought r9 290, random reboots of PC

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Shoguns

Shoguns

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Nov 23, 2013
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Hey,

I recently purchased an R9 290 tri-x from Sapphire. Since I installed this card my PC has been randomly rebooting 2 or 3 times a day. I asked Sapphire support and they told me I should try a psu with more watts. I doubt this is the case. I tried a bios update which made my pc reboot even more often, which made me doubt it's the psu's fault.

I tried installing an older driver with no luck. Can your PC even run out of power if you never reach the maximum amount of watts? I could be misunderstanding how a psu actually works though. I just want to make sure my GPU isn't faulty, otherwise I'll return it.
 
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Yeah not my problem then... still if you can think of anything you would be helpful.
When my problem started (as soon as the computer was put together, basically) I had an 850w 80 plus white Sentey PSU. Thinking that it could be the problem (cause its not such a renewed brand) i bought a 1000W 80 plus Platinum Seasonic PSU. The problem persists. Many people told me that it was most likely the PSU too, but apparently it wasn't. Well, as I said, any help would be great :/
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americanbrian

americanbrian

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May 3, 2007
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I suspect MOBO VRM's are overheating.

It happened to my Gigabyte Z68 DS3 board.

It only has a single phase VRM for PCI-E and part of it is uncovered (no heatsink). It slowly blew out while I was figuring out the problem to the point it wouldn't post...

See the system builder $2400 build and read about the super toasty MOBO VRM's. And those are 2phase with giant coolers....
 
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Shoguns

Shoguns

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Well, I followed Sapphire's advice since I just couldn't find the problem. I replaced my 700W with a 1000W Power Supply and my pc hasn't rebooted since, so it was a lack of wattage after all. Probably not the answer you wanted to hear. The Sapphire product page does say you need 750W, mine was 700W.
 
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dragon5677

dragon5677

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It is recommended that the R9 290 is attached to a PSU that gives out atleast 750W
 
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vVonder

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Jan 16, 2014
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Yeah not my problem then... still if you can think of anything you would be helpful.
When my problem started (as soon as the computer was put together, basically) I had an 850w 80 plus white Sentey PSU. Thinking that it could be the problem (cause its not such a renewed brand) i bought a 1000W 80 plus Platinum Seasonic PSU. The problem persists. Many people told me that it was most likely the PSU too, but apparently it wasn't. Well, as I said, any help would be great :/
 
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vVonder

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Jan 16, 2014
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I will check that next weekend with a friend if i can, goku. Thank you. I returned the motherboard to repair and they told me it was fine. Also i tried my GPU with another higher end motherboard (back when i had the old PSU) and the problem persisted. Pretty sure by now that it is the GPU, though i wish its not, cause warranty expired. Also i tried to send the GPU for repair before it was completely nailed down that it was it, and they told me the GPU worked perfectly for them, which can mean that either:
-They lied D:
-They couldn't replicate my problem
-The GPU is fine
So im pretty lost :C
 
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goku1234567890

goku1234567890

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Then there is another thing you can do is try any of your friend's card in your motherboard and see if the problem persists. If the same thing happens than it is your motherboard. If the graphic card of your friend works fine than it is the graphic card and the repair shop told you a lie or either they couldn't find the problem solution so they said it is fine. If you don't have any friends you can go to the shop and ask them for a graphic card to check whether or not your motherboard is fine i am sure they will lend or help you in checking. Also it can be that the new PSU is also bad so if you can try another power supply with your same motherboard and your power supply with another with your current graphic card that is having problems. Try these things and post the result back here.
 
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vVonder

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Thanks for your reply goku. I will do that and post the results. The PSU thing you mentioned, im afraid, i wont be able to try it out. Though i RMA'd the PSU (the first one) before and they returned it to me after a 72 hour test and turned out to be fine. I was skeptical and everyone kept telling me it was the PSU so i bought another one. I strongly belive its not the PSU now.
I will do everything else as soon as possible and post the results here :D
 
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goku1234567890

goku1234567890

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Be sure to post the results. It would have been better if you had started your own post that way the OP of the post would not be continuously disturbed, and also this post wouldn't be so far fetched.

Update: Another thing when you RMA'd your first power supply did you further use it to check the graphic card again? It could be that the power supply was fine and maybe the motherboard or the graphic card was the problem. Or maybe both the graphic card and the power supply was fine and motherboard maybe be the mother load of all this trouble.
 
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