Windows NT: If your OS is Windows NT and you decide to install VIA KM400 VGA drivers, the procedures are listed as follows. 1. Go to "Start" button, select "Setting" item. 2. Choose "Control Panel" item, Double click the "Display" item. 3. Choose "Settings" item. 4. Click "Display Type" button. 5. Click the "Change" button. 6. Click Have Disk. 7. Type in the appropriate directory path where the VIA KM400 VGA Driver exists (CDROM:\VIDEO\VIA\KM400A\WINNT4) and click OK. 8. Proceed according to the remaining prompts. It will start to install the driver.Close all windows and reboot in order to use the new driver.