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I installed a new HD 4350 AGP card in a customer's Dimension 4600. Now I have no video through the new card or the onboard video. Once I pull the card I get onboard video back.
The process: I ran the setup CD, rebooted, shut down and installed the card, booted up and had no video. I have disabled the onboard driver and tried the process again, to no avail. I don't have a BIOS option to disable the onboard video, but it is set to auto detect.
I lose video on both when the AGP card is installed, and get it back when I remove it.
Any ideas? Thanks!
Dell Dimension 4600
Windows XP Pro 32-bit
Sorry...I forgot to mention that he changed out the motherboard and P/S. They are not stock. Newer Dell MoBo (to add the AGP slot) and a Raidmax 450W P/S. Guy is wanting to use it as an HTPC and I'm trying to get him an HDMI output. We don't have PCIx available on the board and he doesn't have the budget to upgrade the board again.
I believe the problem is with the MoBo and it's inability to see the card. Other AGP cards work in it, and the card I'm adding works in other machines. I have another Radeon HD card that I tried and it does the same thing. I found some hotfixes on the AMD site that will hopefully allow the board to see it. I'll try that today and report back what happens.