On the "Install Now" screen, click Repair your computer in the bottom-left corner.
The BOOTMGR (Boot Manager) file is a hidden, read-only file located in the root directory of the partition set as "Active". Common reasons it goes missing include:
Make sure your computer is turned off, then turn it on. As it starts up, press the key to enter the Boot Menu (usually F12, Esc, or F2) and select the installation media.
Did this issue happen after a sudden shutdown, installing new hardware, or updating software?
Put the Windows 7 installation DVD or USB drive into your computer.
🛑 Simply placing a downloaded file onto a drive usually fails because the VBR expects the file to be registered at a specific sector on the disk. 5. Legitimate and Secure Recovery Procedures
BOOTMGR invokes winload.exe to load the system kernel and device drivers.
