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Question: Is it possible to find, locate, or install the windows 10 boot manager through the grub 2 command line? If so, what are those commands?

I cannot boot into windows of course and i can not enter ubuntu either. If the questions above are not possible, what are my options? I only want/need windows.

Situation: I have a dual boot (windows 10 & Ubuntu) installation on my laptop HDD, and no longer wanted to keep ubuntu on my hdd. I wanted to erase all trace of ubuntu so that i could safely transfer data to an ssd.

So Naturally, as someone new to linux, i thought it made sense to simply delete the linux partition from Windows’ Disk Manager since windows was (pre)installed first. Then migrate the data over to the clean ssd.

Problem: After deleting the linux partition and extending the c drive to take over unallocated space, I can no longer boot windows. As soon as i turn on my laptop, the GNU GRUB ver 2.04 shows up. In the command line it displays: “grub> ” (It is Not grub rescue)

Typing “exit” simply brings me back to the same screen. The UEFI menu that i have doesnt have any option change the boot back to windows bootmgr. I dont have a windows installation disk, or any external windows backup device that was recommended. And I dont currently have but could make another ubuntu live usb, if necessary. But it would be cool if i could do this in grub

Neither the hdd nor the ssd can boot windows nor ubuntu. But both devices bring up the GRUB> command line. I now know that data migration moves everything except the boot manager itself. Ive also learned that installing ubuntu gave the booting reigns to ubuntu and took that control away from windows. Which is why uninstalling ubuntu from windows caused this issue..

So my question is, since ubuntu is gone, is windows boot manager also erased? Or is it possible to locate it through GRUB?

Landon Lee
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This answer is for other linux beginners who have the same seemingly unanswered question. According to the situation in this question, locating and booting through windows boot manager is not possible. Because the ubuntu partition was erased before configuring Windows boot manager to have priority over grub/ubuntu, windows boot manager was also erased along with ubuntu.

Windows boot manager will no longer be available unless a windows recovery cd is used; or another [linux] live usb is inserted to allow you to boot an OS again.

According to the bounds of this question, booting from either Windows or linux live device will set you up to be able to follow the steps to remove Ubuntu properly and boot windows again. This is because the Ubuntu OS contained the boot orders. This ownership also explains why after installing [linux] you have to go through [linux’s] GRUB OS menu in order to choose your OS.

Landon Lee
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