How do you test a graphics card to see if it's good??

Yes I have the driver for it..

Yes I installed the drivers, and when you first turn on the pc it tells you the graphics card it recognizes but after windows loads, the screen goes black.

If you can't start in "normal" Windows, restart in "Safe Mode":
How To Start In 'Safe Mode'

Check in the "Device Manager". (It would sure help to know which operating system you're using.) ON Windows 98/ME, RIGHT click on "My Computer", choose "Properties", then click on the "Device Manager" tab. On Windowws 2000/XP, RIGHT click on "My Computer", choose "Properties", then click on the "Hardware" tab, then click on the "Device Manager" button.

When the Device Manager opens, click on the + sign next to "Display Adapters" and your graphics card/s will be displayed. It may be possible that there are two separate devices listed there, or duplicates of your current device. If you find two separate devices, maybe your "old" card and your "new" card, then on Windows 2000/XP, RIGHT click on the old device listing, choose "Properties". When that loads, in the lower part of the window, under "Device Usage", use the drop down menu to choose "Do Not Use This Device". (If you're not going to ever use the card again, you can completely uninstall it by opening the "Driver" tab in that window and choose "Uninstall".) Choose OK to close the window. Now RIGHT click on the "good/new" card listing, choose 'Properties" and make sure that "Use This Device (enable)" is selected. As before, click on "OK" to close the window. You'll need to restart the computer.

If you happen to find duplicates of your new card in the Device Manager/Display Adapters section, you'll need to delete ALL listings of your new card by RIGHT clicking on each listing and uninstalling from the Properties section, then restart the computer. Windows will recognize the new hardware and install your new drivers.

Hope this helps.

Grif

I will give it a shot, thanks for your help.. I'll let you know the results.