Ubuntu is not loading. showing to clean dev/sda
1285
My computer boots to a black screen, what options do I have to fix it?
43023
How can I show or hide boot messages when Ubuntu starts?
143622
Ubuntu doesn't boot!
60507
Disk Utility (recovery mode) stuck at loading
103558
Could not load file or assembly or one of its dependencies
135382
Ubuntu won't boot - kernel error?
78405
I can't get grub menu to show up during boot
19749
How to debug an unmet dependencies problem?
157188
Why is my Ubuntu 10.10 CD not booting?
12968
What should I do when the GETDEB repository is down?
63772
I can't boot into a usable system after updates. What should I do?
31892
New "Ubuntu Software" not working (16.04)
156867
I/O error, dev sda, sector xxxxxxxxxx
87551
How to repair grub?
154072
Ubuntu 17.10 doesn't show up in update-manager
33474
I can read from /dev/null; how to fix it?
141948
How can I debug why Ubuntu boots to BusyBox?