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Help needed with graphics card.

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So I bought a rx 480 yesterday and it was working perfectly for a couple of hours but then suddenly when I was just doing some simple word processing the whole pc turned off. I've been doing some trou… Read More
JackWade Avatar
7m, 1w agoPosted 7 months, 1 week ago
So I bought a rx 480 yesterday and it was working perfectly for a couple of hours but then suddenly when I was just doing some simple word processing the whole pc turned off. I've been doing some troubleshooting and I've found out the pc boots if I unplug the 6+2 power cable but if the cable is plugged in all I get is a quick flicker of the LEDs and a twitch of the fans. My power supply is a 80+ evga 500w so I don't think the power supply is the issue. What do you guys think, dead graphics card? Any help would be appreciated.
JackWade Avatar
7m, 1w agoPosted 7 months, 1 week ago
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Responses/page:
#1
From what you say it sounds like it "is" the PSU do you have access to another power supply to troubleshoot?
banned#2
Rx480 needs at least a 500w psu, so I'd look at getting a 600+ model.
#3
I could borrow my friend's one. Wouldn't the card only be needing that much power if it's at load though? I was literally writing an essay on Microsoft Word. Don't systems with even gtx 1080s only use around 250-300 watts at load anyway?
#4
JackWade
I could borrow my friend's one. Wouldn't the card only be needing that much power if it's at load though? I was literally writing an essay on Microsoft Word. Don't systems with even gtx 1080s only use around 250-300 watts at load anyway?
did you install fresh windows or was card an upgrade ?
if upgrade i would dload ddu and run that a couple of times to clean previous drivers, then see how it goes
http://www.guru3d.com/files-details/display-driver-uninstaller-download.html
#5
Did you swap out an existing card, could try that again and see if you have same problem. If not then put the 480 back in. I have just done an upgrade, i5 6600k, sapphire r480 nitro 4gb and 16gb memory with corsair 650w PSu - no problems. I realise this is more than yours so not compariable but just letting you know it could be you need a higher PSu but usual it rebooted during word.

Edited By: vinsona85 on Oct 18, 2016 17:21
#6
I assume you checked the PSU cables for possible damage/shorts ?

Edited By: kester76 on Oct 18, 2016 17:34
#7
kester76
I assume you checked the PSU cables for possible damage/shorts ?
Yeh I had a good look through them earlier. Thanks
#8
vinsona85
Did you swap out an existing card, could try that again and see if you have same problem. If not then put the 480 back in. I have just done an upgrade, i5 6600k, sapphire r480 nitro 4gb and 16gb memory with corsair 650w PSu - no problems. I realise this is more than yours so not compariable but just letting you know it could be you need a higher PSu but usual it rebooted during word.
My setup is actually very similar to yours. I am certain that it's a graphics card issue because I have read up of similar issues. I must be the most unlucky graphics card buyer in the world because this is the second card in a row that's been faulty. Got a GTX 970 a couple weeks back which was also broken. :(
#9
Sounds like another issue then if two diff cards aren't working properly. What other hardware have you changed and what haven't you changed?
#10
Can I just say you need to consider total system load on a PSU you can have ample wattage but it still fail this site I use for builds allows you to put in all what you have E.G HDD's SSD;s and other stuff to check make sure not only the load but also things like AMP's are Ok the site is http://outervision.com/power-supply-calculator run through that to check the only other thing that comes to mind in maybe a damaged PCIE slot on the MB.
#11
vinsona85
Sounds like another issue then if two diff cards aren't working properly. What other hardware have you changed and what haven't you changed?


Well the GTX 970 had a completely different issue, the monitor would lose video input as soon as I loaded up a game. I'm using my old r7 370 now which has always worked fine.

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