Install Video Card Driver Please Help Me Fix My Computer, Blinking Cursor And Slow Start Up After Video Card Driver/software Install?

Please help me fix my computer, Blinking cursor and slow start up after video card driver/software install? - install video card driver

After installing a new graphics card and driver CD / software, the computer has a blinking cursor, and ten minutes to play. I can not find a solution. Please help. I took the new card and replaced the old card. I have a problem with the chipset, BIOS seems okay.