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Monitor is black after I install graphics card

November 29, 2012 2:11:53 AM

When I turn on the computer with the card installed, there is nothing at all on the monitor. With the card removed, the monitor works normally. I am very confused.

I have an old computer--HP xw4550 Workstation with Windows 7 32 bit. I just installed an HP 456135-001 Nvidia Quadro FX 1700 PCI-E 512MB Video Card, plus drivers from HP.

Also, when I try to install drivers, I get a program compatibility assistant letting me know that "this program might not have installed correctly" message. When I try to update Windows, I get a "WindowsUpdate_800F020B" "WindowsUpdate_dt000" message.