Using the AMD Proprietary Linux Driver

Screen is blank when launching X on RADEON X800 or FireGL X3 This information applies to the following: AMD Proprietary Linux Driver RADEON X800 or FireGL X3 graphics cards Digital Flat Panel monitors using the DVI connector When launching X-Windows, the DVI monitor will appear blank. However, the display appears fine for the text console. CRT monitors or panels using the VGA connector are not affected. This occurs because the DVI monitors were not being autodetected properly. This issue has been resolved in AMD Proprietary Linux Driver version 3.14 and later.