Cromemco 's Dazzler (or TV DAZZLER) is a graphics card for S-100 bus computers. Released in 1976, it is the first commercial color bit-mapped graphics card available for microcomputers. Multiple Dazzler cards could be installed in a single machine and synced together, a feature which could, with minor modification, be used to genlock.
This is the recommended method to be used on the majority of systems. Method 2: hot-key method. You can open the Intel® Graphics Control Panel with a hot-key combination. On your keyboard, simultaneously press CTRL+ALT+F12. Note. Original equipment manufacturers (OEM) can disable certain hot-key functions.