アツコ実行しましたが、reagentc /enableでエラーが発生しました。
DISKPART> select vol 3
Volume 3 is the selected volume.
DISKPART> remove
The selected volume has no letter or mount point to remove.
DISKPART> set id=de94bba4-06d1-4d40-a16a-bfd50179d6ac
DiskPart successfully set the partition ID.
DISKPART> gpt attributes=0X8000000000000001
DiskPart successfully assigned the attributes to the selected GPT partition.
DISKPART> exit
Leaving DiskPart...
K:\Recovery\WindowsRE>reagentc /enable
REAGENTC.EXE: Operation failed: 3bc3
REAGENTC.EXE: An error has occurred.
K:\Recovery\WindowsRE>reagentc /info
Windows Recovery Environment (Windows RE) and system reset configuration
Information:
Windows RE status: Disabled
Windows RE location:
Boot Configuration Data (BCD) identifier: 00000000-0000-0000-0000-000000000000
REAGENTC.EXE: Operation Successful.