No Grub After Windows Shutdown [closed]

Question

I'm using ASUS Rog with Dual Boot (Windows 10 and Linux Mint). After windows shutdown, my system is not booting into any operating system; Shows a bios menu instead. I have tried to repair it using boot-repair on Live USB but still not booting into any operating system. My Boot-Repair Log is here

Any Help would be great. Thanks in advance.

Answer 1

Because neither Linux Mint nor Windows 10 boots properly you need a tool that can repair the bootloaders of both OSs. Rescatux is a free bootable live CD/USB that can repair GRUB and the Windows bootloader. Rescatux has a graphical interface with a menu of operating system rescue tasks. If your hard disk has the MBR partitioning format, you can select the Restore Windows MBR (BETA) option to repair the Windows bootloader. If your computer has UEFI firmware, you can select among the UEFI boot options.

Boot options:

• (>=0.41 beta 1) Update UEFI order
• (>=0.41 beta 1) Create a new UEFI Boot entry
• (>=0.41 beta 1) UEFI Partition Status
• (>=0.41 beta 1) Fake Microsoft Windows UEFI
• (>=0.41 beta 1) Hide Microsoft Windows UEFI
• (>=0.41 beta 1) Reinstall Microsoft Windows EFI
• (>=0.41 beta 1) Check UEFI Boot

GRUB options:

• (>=0.40 beta 11) Easy GNU/Linux Boot Fix
• Restore GRUB and GRUB2
• (>=0.31 beta 4) Update any GRUB2 menu
• Update Debian/Ubuntu GRUB menus

Windows options:

• Restore Windows MBR (BETA)
• Clear Windows passwords
• (>=0.31 beta 4) Promote a Windows user to Administrator role
• (>=0.41 beta 1) Reinstall Microsoft Windows EFI
• (>=0.31 beta 4) Unlock Windows user

Password options:

• Change GNU/Linux Password
• Regenerate sudoers file
• Clear Windows passwords

^{Rescapp is a nice wizard that will guide you through your rescue tasks.}

If Rescatux repaired the Windows bootloader but Linux Mint still can't boot, here is how to repair the Mint bootloader.

1. Check if the command sudo fdisk -l is able to find the Windows partition. In the results of sudo fdisk -l your boot partition is indicated by a * character.

2. Run sudo update-grub to update the GRUB bootloader and correct incorrect entries.

   sudo update-grub && sudo reboot