1) Check cable between computer and monitor, as well as power to monitor.
2) Boot into safemode - Check status of driver, and run diagnostic on video card. - if no video try putting in a new video card and restart with step 2
3) Restore to previous bootable configuration
4) Re-install OS
1) Check if the system completes POST and the boot sector is read.2) If boot sector is read and OS files are loaded, try using LKGC in advanced boot menu, if it fails try to boot int...