Hard Drive Mbr Repair Software -

bootrec /rebuildbcd — Scans for installations and rebuilds the Boot Configuration Data. How Do I Fix the Master Boot Record (MBR)?

: Select Repair your computer > Troubleshoot > Advanced options > Command Prompt . Hard Drive Mbr Repair Software

: Insert your Windows installation USB/DVD and boot from it. bootrec /rebuildbcd — Scans for installations and rebuilds

bootrec /fixboot — Writes a new boot sector to the partition. Hard Drive Mbr Repair Software

This is the most direct method and doesn't require downloading extra software if you have a Windows installation or recovery USB.