Translation(s): English

Boot-Repair is a simple tool generally used in live session, to repair frequent boot issues you may encounter in Debian like when you can't boot Debian after installing Windows or another Linux distribution, or when you can't boot Windows after installing Debian, or when GRUB is not displayed anymore, some upgrade breaks GRUB, etc.


Boot-Repair lets you fix these issues with a simple click, which generally reinstalls GRUB and restores access to the operating systems you had installed before the issue.

Boot-Repair also has advanced options to back up table partitions, back up bootsectors, create a Boot-Info diagnosis (to get help by email or forum), or change the default repair parameters: configure GRUB, add kernel options (acpi=off ...), purge GRUB, change the default OS, restore a Windows-compatible MBR, repair a broken filesystem, specify the disk where GRUB should be installed, etc.

This tool is aimed entirely at those new to Debian who want to get past their booting issues and enjoy using Linux. For the purpose of helping the forum and IRC members help you diagnose issues with your boot setup, Boot-Repair creates a Boot-Info diagnosis for you to share that allows experienced members to see what's wrong with your boot. The tool systematically asks if you want to upload this diagnosis to a pastebin or keep it local. The Pastebin is not easily searchable and automatically expires after some days, but for confidentiality purpose you may prefer to keep the report local.

Boot-Repair is a free software, licensed under GNU-GPL.


- either from an Debian live-session (boot your computer on a Debian live-USB then choose "Live system") or from your installed Debian session (if you can access it)

- connect to the Internet

- open a new Terminal, then type the following commands (press Enter after each line):

sudo apt install -y wget;
wget -O- | sudo tee /etc/apt/keyrings/boot-repair.gpg;
echo 'deb [signed-by=/etc/apt/keyrings/boot-repair.gpg] noble main' | sudo tee /etc/apt/sources.list.d/boot-repair.list;
sudo apt update && sudo apt install -y boot-repair


See also

CategorySoftware CategorySystemAdministration