To fix "Warning: Your BIOS Mode is set to Legacy. Please set it to UEFI" you need to do next:
1. Open CMD as administrator
2. Run "mbr2gpt /validate /disk:0 /allowFullOS" command
3. Run "mbr2gpt /convert /disk:DiskID /allowFullOS" command
4. Enable "Secure boot" in the BIOS.
Official faceit guide:
https://support.faceit.com/hc/en-us/a...
BIOS settings for different motherboards:
https://support.faceit.com/hc/en-us/a...
Timecodes:
00:00 - Do you need to fix it?
01:40 - migration from MBR to GPT
03:35 - BIOS changes
05:20 - Final result
05:40 - Validation failed fix
07:40 - Cannot find OS partition fix
Tags:
Cannot find OS partition(s) for disk 0
Disk layout validation failed for disk 0
Validating layout, disk sector size is: 512 bytes