How To Fix Boot Menu. Here are some examples. Repair the Boot Record.
Open Command Prompt as an administrator enter below command. Steps to Repair GRUB Boot Menu. Posted by 6 minutes ago.
Boot Windows 10 to recovery mode.
Launch Windows 10 Settings from the Start menu and click on Update Security at the bottom of the window. If you want to change the default OS tick the box under the Default column for the entry you want to set as default. If F12 doesnt work try F1 or delete keyIs your PC showing ATA HDD0. Use fixboot Windows 10 Command Prompt.
