Hi guys, i had a similar problem just some days back…i needed to copy a movie on my hdd and got just 6gb so i decided to compress my hdd to free up space and when i rebooted my system i got crazy alert dat my bootmgr is compressed This might take some time, depending on the size of your hard drive, but it is necessary to verify that there are no corrupted files on your disk. It is always a good idea to also run the command If you click on “Startup Repair” instead of Command Prompt, then Windows will scan your system for common errors and will hopefully figure out that your bootmgr is broken.Īnother error why you are receiving the “bootmgr is missing” error after installing Windows 7, might be that your hard drive has disk errors. Theoretically, Windows 7 should be able to find and fix this error. Method 2: Repair bootmgr via “Startup Repair” Mainly, because it can cause problems like this one and it is slowing down your PC eventually.
I would also recommend to uncheck the option “compress to save disk space” for each hard drive and partition. You are basically creating a temporary bootmgr file and then replacing it with the original one:Įach command has to be on a separate line: If that doesn’t solve the problem, you can also try to run the following commands to re-create your bootmgr file. In case your master boot record has been damaged as well, I would also run Next, simply enter the following command to fix your boot record: Method 1: Repair bootmgr via Command Prompt Choose “Repair your computer”:Ī list of your installed OS’s will appear: Press F8 during boot up to get a list of all start-up options. So, what can we do about the error “bootmgr is compressed”? The bootmgr file will be written to the BIOS default HDD, but if it’s on another hard drive then it can get compressed. I’m not saying that it’s bugged, I’m just saying that it’s causing problems for my own setup and is even slowing it down.Īnyway, if you run into this error, your bootmgr file is probably located on another drive than your Windows 7 main partition. I happen to run into a lot of errors in Windows 7 due to file compression. The dreaded message “ bootmgr is compressed” is another bugger and requires some work on your side.
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