I know you have already provided some details about your boot configuration. However, the report I am asking for contains more detailed information and might give us a better understanding of why you are unable to boot Windows using GRUB. Since you can still boot Ubuntu, you can install and run the Boot-Repair tool using the apt-get command and then use it to Create a Bootinfo summary.
My understanding is that there are several steps to starting an operating system. In your case, I think something like the steps below happens. Unfortunately, I am not sure yet what would be the best way to fix this. We want to be careful that we do not break GRUB and make it impossible to boot anything on your computer when we attempt to fix the problem booting Windows.
Below is a copy of some of the information from your Bootinfo Summary for reference. My comments above are based on this information. I am not sure this will work, but it seems worth trying. If the above workaround succeeds in loading the Windows 7 boot menu, then you could make it semi-persistent by. I would view the suggestion above as only a partly-baked solution. I think If you want to risk it, one possible way to do this is outlined below. But you might also want to wait a bit and see what other answers you get to your the question before you take the risk of trying the above.
While searching for other things, I ran across two other questions on AskUbuntu which are related to your problem. I'm not sure how much help these questions provide. If you installed Windows on partition other than hd0,1 you need to use drivemap command to boot to Windows.
What you did is you modified the VBR of the 1st partition; you may restore that by executing these commands in windows recovery mode in cmd when you boot from installation CD :. I don't really know about " UN booting " you shoud try to fix your Windows by using Windows Repair disk choose Command Prompt to run the bootsect. Bootsect is located inside the boot folder so change your directory to boot.
I had this same issue and would like to confirm the solution that worked for me in hopes that it helps others Ubuntu Community Ask! Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. How to boot into Windows 7 when grub is installed in the Windows partition? Ask Question. Asked 9 years, 8 months ago. Active 1 year, 5 months ago. Viewed k times. I've been researching this problem for two to three days but I have came up empty.
Improve this question. Matthias Braun 7 7 silver badges 16 16 bronze badges. Sim Sim 1 1 gold badge 1 1 silver badge 6 6 bronze badges. Add a comment. If, when booting to Windows 10 from the USB device, you encounter an error saying this:. A media driver your computer needs is missing.
You may also want to verify that all the files copied properly during rsync or re-copy the files anyway just in case something was corrupt.
You may also want to verify the integrity of the source Windows 10 iso file. Finally, I found that USB 2. Unmount the USB drive if mounted. We will now start installing Grub2. In Disk Management is Disk 2, we will remember number 2 here. Installation finished. No error reported. If you want to change the path of the grub directory, change the value of the —boot-directory parameter.
You have now completed the installation of Grub2. Please restart your computer for testing. Configuration The configuration file for Grub2 is grub. This file includes all Grub2 configurations, including interface, fonts and menus. You can create this file for yourself. Or download my grub. Here I will open the grub. Wish success! Don't subscribe All Replies to my comments Notify me of followup comments via e-mail. You can also subscribe without commenting.
Do I misunderstand how to install? I want to install Grub2 on a disk that has a Windows 10 installation that takes up an entire drive. Try mountvol command:.
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