IS my GPU DEAD?

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ADrunkBunny

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Jan 17, 2016
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Hi guys so I want to know if my r9 390x is dead. I used this card perfectly for 2 days but suddenly today When browsing the web the computer just restarted but the thing was the restart showed no display on the screen.I was like ok this is a first. I tried to turn on the computer but there was still no display even though I waited minutes. I turned off the graphics card and tried to start it but the screen showed a bunch of bars which would be on for a minute then goes back to no display. SO to check if it was the graphics card I replaced it with the 270x again and tried booting it up and it worked perfectly fine. So i tried the 390x one more time to make sure if it really is the 390 but the same problem happened. I just want to know if my 390x is dead and I already requested a return. Thanks just addition information the amd sapphire cards have a button on the card to turn on and off.
 
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hi yes the power supply is a sentey 750 watt bronze and cpu is i7 4770 and When I first received the card it had the same problem but the first time I turned off the card and the computer booted up just fine and uninstalled all the drivers. Then I turned on the card and it booted up just fine. Btw this is the first time. the problem today was I turned off the card but a bunch of lines showed up on the monitor so I just assumed its the cards problem since I replace the 390 with the 270 and it worked just fine
 
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That's a decent PSU with 62A on the +12v rail, so power is not your problem. Also that PSU has good ratings on Amazon, so it's not of poor quality (I cannot find a Johnny Guru test). It's rare for a card to be bad from the factory since they are tested before they leave. But it does happen, both with AMD and Nvidia cards.
 
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thats a very cheap psu and also only bronze rated, whether its causing this issue or not it will soon not be able to provide quite enough power to your pc if it hasnt already, although it does have a 5 year warranty which may be worth using
 
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It's not the psu because the 390x doesn't use 750 watt the whole system is uses 562 watts so I know its not the psu problem. Should i try to uninstall the amd drivers and plug the card back in to check if it works?
 
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Power supplies can all provide adequate power. Power is not like a bunch of electricity in a carton of milk, and when all the milk is poured you run out of power. Power is electric charge revolving around a pathway. The amount of charge that pass a given cross-sectional area per second is the current. In any wire, in theory, the charge can speed up to such a velocity as to merit infinitely high current. Power is directly relative to the current and how resistive the wire is. If a wire has high current and also has high resistance, it has a lot of power because it takes more voltage to merit a current that overcomes the high resistance, and voltage * amperage = power in watts.

If the current gets too high, a wire can burn or some other component in the PSU such as the rectifiers can burn, which causes it to break. This is why power supplies have protection circuitry, because the integrated circuits will shut down the PSU if it is in danger of drawing too much power. But there is no such thing as a power supply causing a computer issue because it does not have enough power. It can cause issues from unstable voltages, or if it blows up, that can be a problem, or shuts down from protections. But there will never be a lack of power causing an issue.
 
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If a card does not even show a POST screen, AKA motherboard splash screen, it has nothing to do with Windows but the card itself.
 
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really? what makes you say so because when I first installed the card there was also no response on the screen. The first time I just truned off my card and it booted up just fine then I uninstalled all the drives and the restarted it with the card on and it worked just fine
 
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RMA it. You'll get a new one. Faults happen on stuff all the time. Returning it to the retailer since it is a few days old may be best. Where did you buy it from?
 
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Ebay, I'm not surprised at all. I was almost wondering if you had gotten it there. Well, I'd try to contact him. If he is an honest, good seller, than he may give you a refund. If he refuses and acts that way, perhaps you could try RMA still with the company your GPU is from, as it could be under warranty.
 
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Well I emailed him that I wanted to refunded the card and yes the card is still under warranty but he only sold the card itself. In order to rma don't you need the original receipt which I don't have. But even though if he refuses won't eBay money guaranteed do something
 
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