

Does anyone have any ideas what could be causing this or how to fix it?”īOOTMGR, short for Windows Boot Manager, is a small piece of software that is loaded from the volume boot code. When I’m in windows on the HDD, it is completely fine to access the files on the SSD.

I do not have a Windows cd with me unfortunately otherwise I would be tempted to simply start again. I have windows 11 installed on my SSD and HDD. Everything works great but when I try to boot it says “BOOTMGR is missing”. “Hey guys, so I just built a new pc but I am using my old HDD and SSD from my previous build.
