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790i and 4890 wont get along?

Last response: in Graphics & Displays
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August 17, 2011 2:52:44 AM

Hello, I just had my XFX GTX 280 RMA'd and what they sent me back was a ATI 4890 (which is a lesser card IMHO) however I just needed to get my system to work and decided to give it a try.

Problem is, after installing the card in my system it freezes up after windows loads or my video connection drops. in either case renders my system useless :cry: 

Here is my set up:

Intel q9300 CPU
2gb OCZ DDR3 Mem
XFX nForce 790I Ultra SLI 775 DDR3

Any ideas?

More about : 790i 4890 wont

a b U Graphics card
August 17, 2011 3:07:53 AM

Yeah, you need to start in safe mode, and uninstall all the nvidia drivers and software, reboot, and then install the correct drivers for the ATI card.
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August 17, 2011 4:04:52 AM

heh, thx for the reply but yea I had done this prior to posting. Think it could be something in the registry?
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a b U Graphics card
August 17, 2011 4:19:53 AM

Maybe it is not the cards, what PSU do you have and are you certain it is operating correctly.
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August 17, 2011 11:30:06 AM

Its a xigmatek 800W and it powered my gtx280 without problems, though I will check to see if it may be failing.
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August 17, 2011 11:42:13 AM

So after uninstalling and then reinstalling drivers and clearing registery I was able to get it to work, however after 3hrs of idling in a game, as soon as a environment went to load it froze and would not work after reboot :heink:  it just freezes as my desktop loads.....
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a c 272 U Graphics card
August 17, 2011 11:56:50 AM

RMA it.
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!