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Solve : Where is windows boot manager??

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I start computer ubuntu comes up with grub screen i cant find windows BOOT manager in bios or boot order. Last thing i remeber was changing the launch order so i changed windows boot manager as first and ubuntu at SECOND, i save and reset its gone?First of all, I do not know the best answer to your question. 

For a number of YEARS I have played with Linux, Windows and boot managers. To date, the best tool I have founds Macrium Reflect.
https://www.macrium.com/reflectfree
This program can make backup images as well as clone any partition.  I can also create a legit boot CD to REPAIR a PC that will no longer boot.

But it can not fix everything. That is why people have-to make backups.

GRUB may have overwritten the boot loader.
Do you have the Windows install DVD?A dvd no but on a usb Update: i tried to reset it with usb with windows install but it told me that the disk where windows is installed is locked, unlock it and COME back. Quote

disk where windows is installed is locked,
Has me stumped, but I don't know everything. 
This has been reported elsewhere....

http://www.tomsguide.com/forum/id-1852187/drive-windows-installed-locked.html

https://www.boyans.net/RepairWindows/The_drive_where_Windows_is_installed_is_locked.html

https://answers.microsoft.com/en-us/windows/forum/windows_8-update/the-drive-where-windows-is-installed-is-locked/9fe0c708-1d03-4cab-8523-e80c9b17e124

If any of these work for you, please come back here and share. 


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