It could find windows partition and be able to boot it. Also make sure that secure boot is disabled in bios. You could try this: unix. Add a comment. Active Oldest Votes. OK I was finally able to fix it with the following: boot from ubuntu Thanks for the help and I hope this is useful to others in a similar situation!
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Featured on Meta. See Repairing a corrupted filesystem for more information. Even though this question has an answer, there is an alternative way to fix the problem that worked for me. The steps are explained in the painful video Grub Rescue - Guide for beginners.
In short, it will reinstall GRUB 2 altogether instead of repairing it. Because this video is so painful to watch, I'll list the steps below as I should regardless of how painful it is to watch the video. The directories are the dev proc and sys. Do so with the following commands:. Change the root directory to the one on your Ubuntu partition.
This method was developed by YouTube user crazytechzone. Then click the "Recommended repair" button. When repair is finished, note the URL paste. Another cause of the problem is that the filesystem on the boot drive may be crashed in rare cases.
I finally fixed the problem on Ubuntu 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. Grub rescue - error: unknown filesystem Ask Question. Asked 9 years, 9 months ago. Active 2 years, 8 months ago. Viewed k times. Now I'm getting: error: unknown filesystem. Improve this question. Community Bot 1. In previous update3 worked for me, but now the same problem.
Not working even i tried with listed folders in grub rescue. I have tried to back up data by using ubuntu ISO device, existing ubuntu not listing out.
Help me what should i do now? Add a comment. Active Oldest Votes. Improve this answer. It didn't work because, after running the last command, you you would need to run sudo update-grub again. On a live session, you would need to mount the target filesystem to mnt, chroot into the filesystem and then you would need to run sudo update-grub from the chroot.
Use the values determined earlier. When I closed my laptop and turned it on, grub rescue error appeared on the screen. Can anybody help me fix this problem?
For example, this could be a PC where you were dual booting between Windows and Linux. However, you deleted the Linux partition. After executing the commands above, you should be able to successfully boot into your computer. However, if the issue is still there, you might as well jump to method 3 to try third-party freeware to rebuild the disk MBR.
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