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[PLEASE HELP] Serious problem when switching Graphics Card...
Hello!
I have a big issue and Im in need of your expert help.
I have a gtx 260 graphics card and I just bought my little brother a computer that has a Radeon 5770.
Since Im in much need for the HDMI and some other reasons and he's not, I switched our graphics cards.
Everything seemed to work fine at first, I installed the drivers on his computer and the gtx 260 was working fine there. On other hand, when I tried to install the drivers (the screen was huge) on my computer with the Radeon 5770, the computer suddenly froze (it has never done this before).
When I turned it back on I heard a "peep peep peep" sound from the computer after a few seconds and there was no screen on the display. I could hear the harddrive working etc but no graphics.
I then switched places on the HD 5770 card (There were 2 blue contacts that looked the same) and the computer turned on. This time it worked for aprox 20 minutes (with new drivers installed) until the computer suddenly froze again. When I tried turning it back on, I got the beeping sound again and nothing showed up.
Both of the cards seem to work just fine on my brothers computer and I dont think I have any hardware issues on my either since its a pretty good computer that has never caused me any troubles.
Im wondering now, what the problem can be? Im thinking its some software thing, where I need to uninstall old drivers that are interfeering with the new graphic card, or something like that?
I appreciate every help I can get...