Master Boot Record Detected Valorant [new] Jun 2026

: Set this to Disabled . (This is the most common reason for the MBR error). Secure Boot : Set this to Enabled .

Changing BIOS settings from Legacy to UEFI will cause the system to fail to boot if the drive is still formatted with an MBR partition style. You must check the partition style: master boot record detected valorant

Once you are back in Windows, Vanguard requires Virtualization-Based Security to be active. Press the Windows Key and search for . Click Core Isolation details . Toggle Memory Integrity to On . Restart your computer one final time. Important Note on Data Risk : Set this to Disabled