Ubuntu 14.04 stops responding and capslock light blinks
116645
Why does my 'Caps Lock' diode blink when my system freezes?
70720
Boot problem after hanging and manual power off ( Stopping User Manager for UID 121... )
156142
Ubuntu freezes randomly with audio playing in the background
7012
After most recent kernel update (4.15.0-44-generic) my tablet freezes whenever plugged into docking station
36732
Suspend not working properly (cannot wake up) on Ubuntu 20.04 with NVIDIA
35153
laptop fails to suspend or hibernate (wakes up after 2-5 seconds without user interaction)
134472
Is this bug (Intel BayTrail Freeze) fixed in Ubuntu 17.10?
132136
My computer wont shutdown
18008
pm-hibernate freezes and/or fails to resume on Dell XPS 13, 14.04, 3.19 kernel
150811
Ubuntu 16.04 freezes on login screen, no keyboard or mouse working
157219
Computer won't boot up (only beeps)
72431
Kernel freeze : How to debug it?
114511
Ubuntu 18.04 Black Screen after Blanking Screen
13666
PC Blue Screens and then instantly reboots. How do I stop this or find the error later?
142564
Keyboard and mouse unresponsive after suspend
116036
Can't shutdown and logout from top panel in Ubuntu 14.04 LTS
77019
How can I tell Ubuntu 14.10 to do nothing when I close my laptop lid?