Windows Loader Status Unsupported Partition Table <Top ◆>

mbr2gpt /convert /allowFullOS Then change BIOS to UEFI mode. Solution: Rebuild GPT or MBR.

diskpart select disk 0 list partition If GPT header corrupt, use: windows loader status unsupported partition table

The Windows loader (bootmgr or ntldr) or an intermediate bootloader detects a partition table format or disk layout it cannot interpret or safely boot from. This is most common when mixing MBR (Master Boot Record) and GPT (GUID Partition Table) styles, using unsupported filesystems, or having corrupt partition entries. mbr2gpt /convert /allowFullOS Then change BIOS to UEFI mode

gpt repair (only available in some WinPE versions; else use third-party recovery tools like TestDisk). using unsupported filesystems