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R9 280x not sending any video to the monitor.

C0bra5
By C0bra5
in Graphics Cards
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Posted

Hello everyone! First time posting on this forum.

 

I've recently bought an XFX r9 280x (http://www.ncix.com/detail/xfx-radeon-hd-r9-280x-ff-91053-1719.htm) and i've been to get it to work for 3 hours. i can get the monitor to know that the computer is on but i can't manage to get an image on my monitor.

 

I do believe that my power supply, An ATX-AP800W (http://www.newegg.ca/Product/Product.aspx?Item=N82E16817148048) is too cheap to power the 280x correctly.

i would just want to have some opinions before buying a new power Supply.

If i'm buying a new power supply, i would use a Cooler Master I600 600W (http://www.ncix.com/detail/cooler-master-i600-600w-80-c9-83728.htm) power supply to power the graphic card and the computer.

 

thank's in advance!

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I can't see why that power supply shouldn't be able to power the card. Are you sure you plugged the monitor into the actual card and not into the computer IO?

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It is plugged into the monitor and into the card. i just think the power supply is too cheap. I've never seen a 800W power supply at 70 bucks.

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Have you tried eliminating some of the other factors that don't include buying anything? Try a different cable, different screen? Have you ever seen the card working or is it fresh out the box?

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it is fresh out of the box, I've tried 5 different cable(2 dvi, 2 hdmi), the 2 pci-e power cables and I've tried in an other computer, my current power supply is my only power supply powerful enough to power the graphic card the psu was a 400W in the second computer so i had the ATX-AP800W powering the 280x and the 400W powering the rest of the computer. i had the same result, it detect that the computer turns on but it doesn't send any video signal to the monitor.

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I had this problem not long ago, my monitor wouldn't display an image on screen. The monitor I was trying to use didn't take digital signals form my new R9 290 X, whereas my old GPU had analogue outputs. It was fixed by buying a digital to analogue converter. This might be the problem you're having. 

What make of monitor do you have and what type of inputs does it take?

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it takes 1 vga and 2 hdmi and it is an asus-VN247 monitor

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i've returned the gpu to NCIX and they are almost certain that it is the gpu that went bad.

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