One very fine morning you start your laptop and suddenly you are welcomed with the error message:
You restart your computer by pressing CTRL + ALT + DEL but no luck is found. You got the same message again and again. You won’t be able to start your computer and log in to your Windows account and this error will appear after each restart.
If you want to know How to fix Bootmgr is missing error and repair startup problems, read this article and apply the methods.
The Bootmgr is a windows boot sequence manager that loads all the installed windows at startup and lets you choose the OS to launch. If Bootmgr is corrupted or damaged, you will not be able to boot your windows and will get Bootmgr is missing error at startup.
Method 1: Fix using Advanced System Repair Tool
Mostly due to the corrupted system files, missing DLL files, installing an incompatible driver, boot sector viruses or malware, etc; the Bootmgr is missing error might happen. To fix this issue, start your computer in safe mode and then install Advanced System Repair Tool. Run this tool and let this tool to fix your windows startup problems. This tool not only repairs system corruption issues but also optimizes your PC for better performance.
dll files, exe files, sys files, various types of services, databases, etc so, it is not possible to keep monitoring all the files always. A brilliant PC Optimizer tool repairs damages, fix errors, update windows and drivers, and eliminate various types of errors silently. Outbyte PC Repair Tool does all the above task easily and provides you an errorfree and smooth Windows environment to work so that you can focus on your business only.
Step 2. SCAN your Windows PC
Step 3. Click Fix button to Repair Error
Method 2: Run Startup Repair from the WinRE Advanced Menu.
This is a kind of startup problem so you can fix it by doing startup repair. Startup repair is an advanced and automated mechanism that removes startup bugs and lets you log in to your Windows account. You can perform Startup repair as follows:
Method 3: Restore Boot Configuration Data (BCD)
Boot configuration data is like a database that stores information of boot-related settings. If the Boot Configuration Data (BCD) gets corrupted, damaged, or inaccessible, the windows can’t read the boot settings and display the message Bootmgr is missing.
There is a way to rebuild or restore Boot configuration data. Just follow the steps mentioned below and restore BCD.
bootrec /fixmbr
bootrec /fixboot
bootrec /RebuildBcdMethod 4: System Restore
System Restore is another good method to repair your computer. When you install or uninstall any apps, the Windows OS creates an automatic restore point. This restore point is used for further restoring your operating system if anything bad happens. Here, is the complete guide on how can you restore your computer using the System Restore feature.
Method 5: Reinsert internal hardware
Faulty hardware components like HDD/SSD, RAM, Graphics cards, etc cause this problem. It is a good idea to remove or unplug all the unused connected hardware from your PC and check whether Bootmgr is missing error gets removed or not.
If you are a pro user and know some basics of hardware replacement, pull the RAM, HDD/SSD, and all other connected devices to your motherboard and re-insert it again. This method works most of the time and fixes boot-related issues.
Summary
If you are getting Bootmgr is missing an error on startup, apply the solution from this article. Repair Boot Configuration Data (BCD), running startup repair, and restoring your PC are great options to fix any boot-related issues on Windows 8, 10 & 11.
