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try swapping or borrowing a different monitor first- doesnt work pull out video card turn on computer then shut it off, put back in video card- does not work- replace video card with borrowed video card - doesnt work.try different vodeo card in different slot.
You might need to uninstall the old video card device, so Windows does not use the old drivers for the new card. Another option is to try and boot in Safe Mode (press F8 during startup), so Windows uses the VGA mode (which all video cards support), and then install the proper driver. Installing the latest ATI driver updates might also not be a bad step.
does your motherboard identify your new video card? make sure to put the new video card on the right slot. then check all the cables which is connected on your monitor going to the tower. make sure to connect the vga cable of the monitor to your new video card. try to power on computer and install the video card driver which comes with your new video card.
if the screen comes on for a few seconds and then goes to sleep mode you probably have not installed the drivers for the new video card correctly. you should shut down computer, replace the new card with the old one, put in the disk with the drivers for the new card, install the new drivers and then shutdn and replace the old with the new and reboot. this should solve the problem. please rate me and thanks for choosing enterprise computing solutions..
yes that is a hardware problem, your video card seems to be malfunctioning, if that is newly upgraded you need to install its driver in order to function correctly. and if the symptoms persist you need to install a new video card or try the on board video card
Your problem seems to point to your video card. Your video card needs a driver to function. Odds are good that you need to install a video card. Avoid using the built-in Windows driver. A new video card has a CD with it. Use that. With your driver installed, configure your display settings. The Display applet on the Control Panel is your next step. The Display applet provides a convenient central location for all of your display settings. Go there and make your setting using the tabs. You can crash Windows and force a reinstall simply by installing a new video card and not uninstalling the old card's drivers. Always uninstall the old card's drivers before you install drivers for a new card.