Problem with my ATI Radeon not being recognized

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I have a Dell Dimension 3000 2.8GB with 1GB RAM. I installed a PowerColor Radeon 9250 256MB PCI card a year ago. When I installed it, I had problems getting the computer to recognize the card, I called Dell and they had me type something in the command prompt and it worked. Today I just unplugged everything from the back of my computer and installed a new sound card and speakers. When I rebooted, the computer wouldn't recogize the Radeon card, just the onboard card. I tried disabling the onboard card and uninstalling it, but still nothing. I don't remember what command I typed the last time this happened and I don't have a valid warranty.

Any ideas on how to get my computer to recognize the Radeon instead of the onboard? I went into BIOS to make sure that it was set to auto detect.

Thanks,

Doug
 
Hello! Welcome to TechSpot!

Isn't that Dell propietary? Meaning the MoBo is in pieces inside.
If so you'll only be able to replace with a Dell MoBo.
You could consider taking out everything and putting it in a
generic case.
This way your getting fresh Psu Case and MoBo.
 
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