In this article i will show you how to fix a windows error when you boot your laptop or desktop and it shows a error like bootmgr is missing press ctrl+alt+del to restart instead of windows booting up after the bios menu and boot menu.
This guide or tutorial will work on any windows 7, 8, 10 showing the same error.
For this to work you will need to have a bootable windows USB/DVD installer.
In the video below i will show you how to create one easy and the rest is how to fix it.
After that it really easy to fix it with CMD and some commands which are also in the Video.
If you know that you have windows installed already and is showing this just click on Repair and select CMD after that type in Diskpart and select the disk or partition and click on Active.