TXfarmer:
What model and operating system, etc., do you have?
Consider viewing the "VIDEO FAQ" article at the top of the forum,
http://forums.us.dell.com/supportforums/board/message?board.id=dim_video&message.id=81817 .
If you didn't disable the onboard video, pay particular attention to #6 topic in the FAQs.
HTH,
B4runo
DIMM 4400
BIOS – A06, date 6/12/02
Win XP Home Edition, SP2
Pentium-4 2.8 GHz, 400MHz FSB, 512K L2
1 GB DDR SRAM PC2100
80 GB 7200 RPM Ultra ATA Hard Drive
Iomega 80GB USB 2.0 External HDD
XFX GeForce FX 5700LE 128MB DDR 8X AGP w/ TV & DVI
17”, 1702FP Digital Flat Panel Display
Belkin F5U508 USB 2.0/Firewire PCI card