Windows Boot Repair Tool
This tool walks you through common boot problems, from BIOS/UEFI checks to bootloader repair. Answer each step and the summary will suggest what to do next.
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1 Identify the boot symptom▼
Choose what best describes what happens when you power on the PC.
What do you see? -
2 Check BIOS/UEFI boot order and drive detection▼
Boot issues often start with the wrong boot device or a missing drive.
Is the system drive detected in BIOS/UEFI?If the drive is not detected, this may be a hardware or cable issue.
Boot order -
3 Check boot mode (Legacy/MBR vs UEFI/GPT)▼
Boot mode must match how Windows was installed (Legacy/MBR or UEFI/GPT).
Boot mode in BIOS/UEFIDo you know how Windows was installed? -
4 Run Startup Repair from Windows Recovery▼
Windows has a built‑in Startup Repair tool in the recovery environment.
Were you able to access Windows Recovery (WinRE)?Startup Repair result -
5 Advanced bootloader repair commands▼
These commands can repair the bootloader from the recovery Command Prompt.
Are you comfortable using Command Prompt in recovery?If yes, for Legacy/MBR installs, run:bootrec /fixmbr
bootrec /fixboot
bootrec /scanos
bootrec /rebuildbcdFor UEFI/GPT systems, boot repair often involves rebuilding the EFI boot entry using bcdboot.
Did the boot repair commands help? -
6 Check partitions and system files from recovery▼
Sometimes the system partition or file system is damaged.
Did you run CHKDSK from recovery on the system drive?Did you run SFC from recovery (offline)? -
7 Recent changes and multi‑boot setups▼
Boot issues can be triggered by recent changes or multiple OS installs.
Recent changesMulti‑boot -
8 Final status and reinstall consideration▼
Final questions before generating your boot repair summary.
Current boot statusAre you open to reinstalling or doing a repair install?