How Do I Disable the Onboard Video Graphics Adapter BIOS for the Dell OptiPlex 755?
- 1). Power on the Dell OptiPlex.
- 2). Hold down the "DEL" key as the system boots up to enter the basic input/output system (BIOS).
- 3). Use the arrow keys to move to the "Video" section in the BIOS screen that pops up. Press "Enter" to enter the video menu.
- 4). Select "Disable onboard video" from the menu on the right side of the screen. Press "Enter."
- 5). Press "Escape" to leave the BIOS setup. The system will prompt you to save changes. Select "Save and Exit." Allow the system to reboot.
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