I upgraded from Ubuntu 10.10 to 11.04, and I get a black screen with a grub prompt
I tried upgrading on another machine a few weeks ago without luck. At that time, the upgrade process didn't succeed. and I ran the upgrade a second time. That version never booted. Unfortunately, I didn't make a backup, so I had to wipe out the disk and reinstall from scratch, which did work.
But it is crazy to require users to wipe out their disk just to go from version 10.10 to 11.04. I assumed that this was just a buggy release, and that it would eventually get fixed.
So I tried upgrading another machine. This time I backed up the disk. This time, the upgrade proceeded almost automatically. However, there were two dialogs that came up that asked me whether I wanted to keep some modified files. Since I hadn't modified either of these files, I said that it was OK to overwrite these with fresh new copies.
When rebooting after the upgrade, I get a black screen with a couple of lines of white text.
GNU GRUB version 1.98-1ubuntu5
Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists possible device or file completions.
grub>
typing
reboot
brings me back to the same screen.
What is grub, and what am I expected to do with this?
Please fix this upgrade software. It will really give Ubuntu a bad name until then.
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