Boot

add boot entry

• https://linuxconfig.org/booting-a-ms-windows-os-using-grub

• Boot to your Linux

• Open a Terminal window

• Type: sudo os-prober

• If the results identify a Windows 10 install, type sudo update-grub which will update the GRUB entries and add it

• Reboot your computer and test to see if Windows 10 is a new option to select.

remove boot entries

If you can boot into Linux in UEFI mode, use efibootmgr:

• efibootmgr or efibootmgr -v to list entries;
• efibootmgr -b XXXX -B to delete an entry by number.

If you can boot into Windows in UEFI mode, use bcdedit:

• bcdedit /enum firmware to list entries;
• bcdedit /delete {GUID} to delete an entry by its "identifier".