GO into the BIOS setup routine and make sure that the "onboard video" if it has any ,is set to off.
Malke sure that ou have the monitor attached to the video card and not the :onboard: one. Did you install the softweare and driver for the video card?
To receive further help, please give us the make and model of the video card. Thanks
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How do you know the video card is okay? Have you tested it in another computer? Have you tested the monitor on another computer?
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