I have a Presario 6000 and trying to install a visiontech X1300 graphics card. I have gone into the bios and it is set for pci for graphics adapter, downloaded the drivers for the new graphics card. Went to device manager and deleted the drivers for the onboard graphics card. When I reboot the computer reinstalls the driver for the onboard graphics. Widows does seem to see the new board and says the new device (pci to pci bridge) is ready to use. I am running windows vista and I have 1.2 g of ram. I don't know what to do to get this thing to work.

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