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How do I fix grub error in Ubuntu?
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.
How do I use grub command line?
With BIOS, quickly press and hold the Shift key, which will bring up the GNU GRUB menu. (If you see the Ubuntu logo, you’ve missed the point where you can enter the GRUB menu.) With UEFI press (perhaps several times) the Escape key to get grub menu. Select the line which starts with “Advanced options”.
How do I open grub rescue mode?
Why does Grub say unable to install in / dev / sda?
This time and every time since, the installation was aborted and I got a fatal error saying: Unable to install GRUB in /dev/sda Executing `grub-install /dev/sda` failed. This is a fatal error. Can anyone please suggest a solution to this problem?
What to do if Grub doesn’t install properly?
Having it installed properly you can issue “grub-install /dev/sda”. Remember this command does not carry out if grub was not properly installed yet. You may need root privilege for the MBR to get modified by that command. Check back how it goes. good luck. while booting you get an error message can you paste the exect boot error.
Where do I install Grub on my HDD?
“/dev/sda1 is the EFI boot partition (ESP partition) on my HDD I had read that GRUB bootloader must be installed to that partition.” What drive did you select during the installation of grub? You actually should select /dev/sda and not /dev/sda 1 as this is a partition. install-grub should than find the right partition by itself.
Where to put bootloader in / dev / sda?
Choosing the drive, such as /dev/sda, is the same as choosing the MBR. I just installed Jaunty recently, and the graphical installer gives you a little button after installation is finished that says “Advanced,” in which you can select where to put the bootloader.