[Fixed] Grub Install Fatal Error in Ubuntu 20.04 LTS [Updated 2022]
Why Ask Ubuntu recommends it
Ask Ubuntu users link it when someone hits a failed grub-install during setup or dual boot, since it walks through the Boot-Repair fix step by step.
Recommended by 3 people across 3 different months, 2021 to 2023.
What it is
A short screen-recorded tutorial from the channel Technical Junaid on fixing the 'grub-install /dev/sda failed' fatal error that can appear during an Ubuntu 20.04 install or dual boot. The fix centres on installing and running the Boot-Repair tool from its PPA.
What people said
Recommends asontu · 2021-05 · Ask Ubuntu · on “Stuck after grub-install failed”
I'm trying to install Ubuntu 21.04 in a dual-boot set-up with the Windows 10 Pro that came on an old Asus Q551LN. First I "reset" Windows through its wizard so that all docs and apps are reset to factory defaults. The HD then has 4 partitions: Small NTFS one (probably Windows repair/recovery disk something?), then a large partition that is C: in Windows, then another small one, then a large one that was D: but I want to use for Ubuntu in stead. I made a bootable flash-drive with Ubuntu 21.04, then used this guide [LINK] to boot from a USB flash drive and set "Launch CSM" to "Enabled" as per this step [LINK] (important for later). Started installed using this tutorial [LINK] . At step 4.) a.)
Recommends F13 · 2022-10 · Ask Ubuntu · on “Execution of grub-install/dev/sda failed. Now I can't boot either Windows 10 or Ubuntu”
I followed this tutorial: [this video] and it worked. Now Ubuntu boots just fine. I just have to fix the fact that Windows 10 doesn't show up in the boot menu.
Recommends thunderless · 2023-08 · Ask Ubuntu · on “Install Ubuntu in dual boot with Windows7 (Boot in Bios Legacy / MBR)”
I want to install Ubuntu on my computer, currently there is Windows 7, and I would like to get to a dual boot situation with Ububtu. I've read many post and articles, but I still have many doubts. My setup: I've got a computer with many Hard Disk: One NTFS with Windows 7, three NTFS with normal data and one free SSD where I want to install Ubuntu. Boot in Bios Legacy. All hard disk are in MBR. I've installed the Ubuntu ISO in my USB stick with "Ventoy". So, What can be a good procedure to follow? I have tried various ways, but nothing has worked. Now I stopped to avoid doing damages. I now describe the way I followed I've approximately followed this [LINK] youtube video. In the BIOS I've dis