Computer boot prompt bootmgr is missing how to solve?

In the process of using the computer, it is inevitable that some problems may be encountered. Recently, some users have found that the computer can't start when they turn on the computer, and the bootmgr is missing. What is going on? So how to solve this problem? The following small series for everyone to introduce the solution to bootmgr is missing in the computer startup.

Bootmgr is a new boot manager, used in windows vista, Win7, Win8 and Win8.1 system, the equivalent XP system and even earlier system NTLDR. The bootmgr is missing, which means that the boot manager is missing, indicating that the bootmgr is damaged or lost. The system cannot read the necessary startup information and cannot start.

Here we can first understand the startup process of the computer, which helps us understand the problem of bootmgr is missing. When the computer starts, the first boot is bios. When it is loaded, it will find the master boot record mbr, which will find the partition boot record of the primary partition, and then look for bootmgr by pbr (not the same as mbr). Looking for the boot manager, under normal circumstances, bootmgr will take over the startup, perform various readings to complete the startup of the computer, and bootmgr is missing is the process interrupt to bootmgr, the boot naturally can not start the system.

Above is Xiaobian to introduce computer startup solution bootmgr is missing appears, if confronted with this situation, you can follow the steps above.