

Step You’ll get a list of operating systems installed on your PC:

You should Click on “Repair your computer”:Ģ. Once you see the Windows installation screen there will be an option to repair it (below Windows 7, but Windows 10 still works similarly). Alternatively, go into your BIOS, change the boot order to boot from your external drive. On boot-up press F8 to get to startup options. Step Insert your Windows DVD or USB device. Please locate your Windows DVD before proceeding, in case we need it, but we can proceed without if you don’t find it.ġ. To repair your boot records, you have to launch the start-up option “repair your computer”.

This fix works on all major Windows versions including Vista, 7, 8 and 8.1 and most likely later versions Repairing Boot Records in Windows 7 (Skip for 10) Please verify all of your external USB devices are disconnected before proceeding. If your bootmgr file is missing that doesn’t necessarily mean that you lost any data, it simply means that your boot manager is missing, nothing more right now. First of all, don’t panic and do stupid things without thinking.
