MX-14: Advanced: Bootloader repair

Note: RC=right click
Introduction
The bootloader is the first software program to run and is responsible for loading and transferring control to the kernel. It sometimes happens that the bootloader on an installation (GRUB2) becomes dysfunctional, usually because the user has made changes of some kind.
Repair
When that happens, GRUB2 can be restored to a functional state, depending on the exact problem.
- You can boot into at least one partition.
- Boot into the good partition
- Open a terminal and become root
- Enter the command
update-grub
and press return. The program will probe for drives and partitions, then exit. Examine the screen to see what has been found
- Reboot to enter the partition of your choice.
- You are unable to boot into any partition
- Boot to the Live medium.
- Click Start Menu > System > MX Boot Repair, providing root's password ("root")
- Consult this document for help on using this utility.
- When you reboot without the Live device, the GRUB screen should look and function normally.