(How to) boot only in UEFI Mode


Click "Esc" to get into the BIOS. Go into the Advanced Tab > CSM Configuration > 
1. Change Boot option filter to "UEFI only"
2. Change "Video" to "UEFI"
3. Press "Esc" to get back to the main bios screen and go into the "Save & Exit" tab and choose "Save Changes and Reset"
4. Esc to get back into the BIOS > Go into the Advanced > CSM Configuration > Disable "CSM Support"

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