bootmgr is missing and cannot boot

Solutions to the problem of bootmgr being lost and unable to boot include checking the boot sequence, repairing the boot record, rebuilding the boot file, and reinstalling the operating system, etc. Detailed introduction: 1. Check the boot order, restart the computer, and press the Del, F2 or F10 key to enter the BIOS setup interface, find the "Boot" or "Boot Order" option, make sure the hard drive is in the first place, and set it to the first Start the device, save the settings and exit the BIOS; 2. Repair the startup record and other methods. This topic provides you with various articles, downloads and courses related to bootmgr. I hope it will be helpful to you.