The error might also be the result of loose or damaged hard drive interface cables. The BOOTMGR is missing error could be caused by corrupt or badly configured files and hard drive sectors, an outdated BIOS, issues with a hard drive and/or operating system upgrade. Sadly, there are numerous reasons for this error to occur and we cannot tell you exactly why it’s appearing in your specific case. “BOTMGR is missing “errors usually appear shortly after you’ve started your machine, as soon as the Power On Self Test (POST) is over. Either way, these are all just different variations of the same error. This error is fairly common on Windows 7/10 and other.Įrror notification regarding a missing boot manager in Windows may contain slightly different messages, like “Couldn’t find BOOTMGR” or “BOOTMGR is missing” and can be followed by a request to either press any key or to press the CTR + ALT + DEL key combination in order to continue.

Under Recovery Tool, choose the option named 'Startup repair'.This guide will help you troubleshoot the “BOOTMGR is missing” error, as well as provide possible solutions.Did you checked your BIOS to be sure if You didnt changed the boot sequence in BIOS,Also be sure that all your cables are well plugged specially for the hard drives.you can download windows 7 repair cd from this link try this:1- boot the windows 7 CD2- repair3- click on the cmd option4- diskpart list volume5- make sur that c: is referencing the volume that contains windows directory, if it is not the case change it to c using assign letter command of disk part6- now, you are ready to rebuild from scratch7- go to c:windowssystem328- run : bcdboot c:windows /s c:9- shutdown -r -t 0you can also

Windows 7 bootmgr is missing fix