Sunday, May 8, 2016

grubrescue - PC starts with "grub rescue" prompt and no matter what I tried, won't turn on

I have recently migrated to Linux from Windows7, and was enjoying it, but 3 days ago Ubuntu just decided not to boot out of nowhere.
I have found an online article suggesting I should try "modeset" and start Ubuntu then remove most recent kernel and see if that would work, which actually solved the issue.
But this morning Ubuntu again stopped booting. It did work with recovery mod and nomodeset setings, but this time could not remove kernel(4.15.0.39-generic) as there was not another kernel package installed
.
Most recent software update for my graphic card was for Ubuntu 14(AMD HD Radeon 6970) so that ws not a solution neither.


I decided to go back to windows at this point because I had a lot of work to finish on my PC and I was losing time.


I went with windows 10 and installed a bootable USB and inserted to my PC, which automatically started windows installation.


In disc selection screen, I have formatted the SSD(120GB Corsair Force 3) which contained linux and then successfully installed windows.


Upon restart I have faced with this:


error: disk '[vmid/b0HGZa-iDQL-svQK-zHqE-TEV7-EaQa-cloeNT/UnMpLA-vrZ2-PiQW-uMTJ-7Vqg-o5yP-vFyDRx' not found.
Entering rescue mode...
grub rescue>

When i wrote "ls", here is the result:


(hd0) (hd0,msdos1) (hd1) (hd1,msdos2) (hd1,msdos1)

using "ls" with all of them individually, gave me "File system is unknown"


Found some more solutions online and went into windows installation screen and started command prompt and wrote:


Bootrec /fixmbr

console said issue is successfully solved.


On start up again here was "grub rescue" screen.


Tried reinstalling ubuntu via USB device. After selecting Ubuntu


Could find/name Package element or something like that. As it diseappers quickly and I got anoter black screen.


Inserting Ubuntu USB to another computer, starts process just fine.


So do you have any suggestion at all?


Thank you for reading this long post.

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