Ubuntu randomly freezes during boot
3298
How do I resolve unmet dependencies after adding a PPA?
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
1285
My computer boots to a black screen, what options do I have to fix it?
70720
Boot problem after hanging and manual power off ( Stopping User Manager for UID 121... )
13666
PC Blue Screens and then instantly reboots. How do I stop this or find the error later?
120271
Windows 7 + Deep Freeze - I'm stuck in an endless reboot loop
79916
Just installed ubuntu 14.04 but after restart it wont boot
135373
Ubuntu 11.04 stops booting at grub console
25167
Hard Disk makes "Click, click, click ..." noise on system start. Won't boot
9212
Freeze after upgrading kernel to 3.13.0-66 (14.04) or 3.19.0-31 (15.04)
50904
Black screen on boot after AMDGPU-Pro install (16.04)
58548
Getting a black screen when installing or Live booting Ubuntu (any version) in my laptop
9254
I get a "serious errors while checking the disk drives for /boot" error while booting
79817
How do I troubleshoot random rebooting?
141948
How can I debug why Ubuntu boots to BusyBox?
150382
Installation on new laptop DELL Inspiron 5491 freezes
109886
Chrome freeze very frequently with ubuntu 16.04