Always the latest version of the BIOS is available at the manufacturer's website. Hence, make sure that the BIOS of your motherboard is upgraded to the latest version. Update the BIOS An outdated BIOS can also be the reason behind the BOOTMGR is missing error. Either you can repair it using command prompt or from a third party software. In this instance you have to repair the MBR. This can occur due to a virus attack or from a power outage.

Repair MBR The M aster Boot Record ( MBR) present on your hard drive may be damaged causing this error. Otherwise you need to use the installation disk. But only if it is preinstalled as a recovery option. Furthermore, you don't always need a CD/DVD to perform startup repair, there are default options available in the operating system. Any corrupted or missing files can be easily replaced using the startup repair. Perform Startup Repair As you all know BOOTMGR is missing occurs as a result of missing or corrupted files. If not move the hard drive to the top order. Therefore, always make sure to check the boot order, whether the correct device is listed in the top priority. As a result your computer may try to boot from other devices where there is no boot files. Change Boot Order Usually this error appears if the hard drive is not set as the first device in the boot order. The steps mentioned here can be utilized for Windows 7, Windows 8 and Windows 10 operating systems. In this article, I will be explaining about 9 Ways to Fix BOOTMGR is missing error in Windows. So you can try different solutions until you find the fixing method. Whatever the reason is, there are more than one solution available. There are numerous reasons why this error shows up. Right after this, the computer may display the error message, ''BOOTMGR is missing Press Ctrl+Alt+Del to restart'' or ''Couldn't find BOOTMGR'' This error will make your PC fail to start. It necessarily checks all the hardware components present on your PC.

Before Windows booting process occurs, the Power On Self Test ( POST) will begin to start its operation.

It is highly essential for the windows boot process to take place. From the volume boot record it gets loaded. BOOTMGR (also known as Windows Boot Manager) is the software which initiates the windows boot process.

Repair bootmgr windows 7