How to Use a Bootable USB to Fix Boot Loader Issues
- Understanding Boot Loader Issues
- Creating a Bootable USB
- Booting from the USB
- Repairing the Boot Loader
- Preventing Future Boot Issues
- Choosing the Right Bootable USB Tool
1. Understanding Boot Loader Issues
Boot loader issues can occur due to corrupt system files, failed updates, or hardware changes. Symptoms include system startup failures, missing operating system errors, and endless boot loops.
2. Creating a Bootable USB
To create a bootable USB, download a recovery ISO, use tools like Rufus or BalenaEtcher, and ensure the USB is formatted correctly before writing the ISO file.
3. Booting from the USB
Restart your computer, enter BIOS/UEFI settings, and select the bootable USB as the primary boot device. This allows access to recovery tools.
4. Repairing the Boot Loader
Use recovery commands such as Bootrec /FixMbr, Bootrec /FixBoot, and Bootrec /RebuildBcd in the command prompt to restore the boot loader.
5. Preventing Future Boot Issues
Regular backups, keeping system updates in check, and avoiding abrupt shutdowns can help prevent boot loader corruption.
6. Choosing the Right Bootable USB Tool
Different operating systems require different tools for bootable USB creation. Ensure compatibility with your OS before selecting a tool.
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