Potentially underpowered r9 280x causing mild artifacting?

I recently aqquired an MSI r9 280x 3G, second hand. It was advertised as used, working. No warrenty / returns.

I removed my current graphics card, slotted in this new one and the system powered up fine, got into windows and I installed the drivers, all was good. Restarted it, and jumped into GTA V, just to test it. It worked for a grand total of two seconds, then the whole computer lost power. It would not turn back on for a while longer.

When it finally did turn back on, there was no output from any of the three connected displays on the 280x. After a load of power cycling, the system posted, although with some strange artifacting on some characters of the post readouts, etc. it managed to get into windows, however then the screen just went completely white with horizontal lines accross it. From that point onwards, I have not seen any output from the card. Just a 'no signal' on the monitor.

The system still works, with everything except the new GPU. I have not noticed any problems or artifacts.

I think the problems were caused by my power supply, a Corsair VS550.
If anyone could shed any light on this, I'd be very greatful.

Full system specs:

CPU - Intel Core i7 860 @ stock 2.8Ghz
MOBO - Asus P7p5d-e lx
Old / Current Gpu - Nvidia Gt730 2gb (Zotac)
New Gpu - MSI R9 280x 3G
Storage - 1Tb Toshiba 7.2K, 2x Kingston SSDNOW V300 120Gb
PSU - Corsair VS550

Thanks in advance
2 answers Last reply
More about potentially underpowered 280x causing mild artifacting
  1. That's a power hungry card and that's a low end power supply, so it's possible. I think it's more likely the card itself has issues. Can you test it in another computer?

    Also, when installing new components I like to use the bare minimum needed to boot up and test. In this case, I'd install the card and connect ONE monitor. After you've tested for basic functionality, then you can add another monitor. Repeat until all monitors have been added. Connecting too much at once only serves to make troubleshooting more complicated.
  2. dontlistentome said:
    That's a power hungry card and that's a low end power supply, so it's possible. I think it's more likely the card itself has issues. Can you test it in another computer?

    Also, when installing new components I like to use the bare minimum needed to boot up and test. In this case, I'd install the card and connect ONE monitor. After you've tested for basic functionality, then you can add another monitor. Repeat until all monitors have been added. Connecting too much at once only serves to make troubleshooting more complicated.


    I did do it at first with the bare minimum, one dvi monitor, and it worked fine till I went into a game. I reckon I've damaged my PSU to the point where it just can't spit out enough power for the card anymore. I'll be testing it in my mates computer tomorrow. I'm fairly certain he has a 750w supply.
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