Migrate all modern Windows installations to UEFI/GPT. For existing BIOS/MBR systems, either remain on MBR or perform a backup+clean install when switching to UEFI. Report prepared by: Technical Support Engineering Date: [Current Date] Version: 1.0
gpt repair (only available in some WinPE versions; else use third-party recovery tools like TestDisk). windows loader status unsupported partition table
mbr2gpt /convert /allowFullOS Then change BIOS to UEFI mode. Solution: Rebuild GPT or MBR. Migrate all modern Windows installations to UEFI/GPT
From WinRE Command Prompt: