Boot-Repair-Disk is a free, open-source Linux-based rescue disk designed to fix computer boot issues automatically. It is primarily used to restore access to operating systems when a broken bootloader prevents a computer from starting up.
The utility comes as an ISO file that you flash onto a USB drive to boot up a broken computer. It works on both older MBR (BIOS) systems and modern UEFI machines. Key Features
Recommended Repair: A one-click automated feature that fixes the vast majority of boot sector, GRUB, and Master Boot Record (MBR) issues.
GRUB Reinstallation: Easily repairs or reinstalls the Grand Unified Bootloader (GRUB), which frequently breaks during Linux updates or dual-boot configurations.
Windows Boot Fixing: Restores a Windows-compatible bootloader if Windows becomes inaccessible after installing a Linux distribution.
Boot-Info Summary: Generates a detailed system diagnostic report. This report can be securely published online so you can share the link on support forums for expert help.
Extra Rescue Tools: Includes built-in utilities like OS-Uninstaller (to safely remove an OS partition) and GParted (for partition management). Common Use Cases You would typically use Boot-Repair-Disk if:
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