How do I reinstall grub Arch Linux?

Contents

How do I restore grub Arch?

This is what I usually do:

Boot from a Arch ISO (CD/USB).
mount the partition.
arch-chroot into the partition.
configure network (if necessary)
make sure the packages grub and os-prober are installed: pacman -Sy grub os-prober (will need network)
go to the /boot/grub directory.
grub-mkconfig > grub.

How do I reinstall grub bootloader?

Reinstall the GRUB boot loader by following these steps:

Place your SLES/SLED 10 CD 1 or DVD in the drive and boot up to the CD or DVD. …
Enter the command “fdisk -l”. …
Enter the command “mount /dev/sda2 /mnt”. …
Enter the command “grub-install –root-directory=/mnt /dev/sda”.

How do I fix grub Archlinux?

Recover GRUB Bootloader in Arch Linux

Insert and boot your Arch Linux installation media.
Select Arch Linux archiso x86_64 UEFI CD.
If you want to connect to WiFi then you can connect using # wifi-menu , but it is optional.
After that you need to mount the root partition of Arch Installation to /mnt .

How do I manually install grub?

Installing GRUB2 on a BIOS system

Create a configuration file for GRUB2. # grub2-mkconfig -o /boot/grub2/grub.cfg.
List block devices available on the system. $ lsblk.
Identify the primary hard disk. …
Install GRUB2 in the MBR of the primary hard disk. …
Reboot your computer to boot with the newly installed bootloader.

How do I reinstall grub from USB?

How to Repair Grub

Boot to the live cd or USB that you have and open a terminal window( Ctrl + T ) and type the following: sudo fdisk -l.
Now you are sure about where to install grub. …
sudo mount /dev/sda3 /mnt , where /mnt is any directory you need.

How do I enable GRUB bootloader?

I solved the issue by taking the following steps.

Boot into Ubuntu.
Hold CTRL-ALT-T to open a terminal.
Run: sudo update-grub2 and allow GRUB to update it’s list of operating systems.
Close Terminal.
Restart Computer.

The graphical way

Insert your Ubuntu CD, reboot your computer and set it to boot from CD in the BIOS and boot into a live session. You can also use a LiveUSB if you have created one in the past.
Install and run Boot-Repair.
Click “Recommended Repair”.
Now reboot your system. The usual GRUB boot menu should appear.

3 Answers

In your Ubuntu open a terminal (press Ctrl + Alt + T at the same time)
Make the changes you would like to make and save them.
Close gedit. Your terminal should still be open.
In the terminal type sudo update-grub , wait for the update to finish.
Reboot your computer.

How do I fix grub error?

Do try reinstalling GRUB.

Boot using a live CD of Ubuntu.
Open a terminal and run the command sudo fdisk -l. …
Create a temporary folder in your home directory (Note: You can make the temporary folder anywhere you want. …
Mount your linux partition there.

How do I remove GRUB bootloader?

Type “rmdir /s OSNAME” command, where OSNAME will be replaced by your OSNAME, to delete the GRUB bootloader from your computer. If prompted press Y. 14. Exit the command prompt and restart the computer the GRUB bootloader is not longer available.