Screen flickering on boot after upgrade to 18.04 and slow boot
120819
AMD RX480 Screen flicker after update to 18.04
51429
How do I troubleshoot a Windows freeze or slowness?
146065
How do I fix booting process in Ubuntu 12.04 after the windows7 removed?
83914
ubuntu 18.10 doesn't boot to gdm after update
32501
Youtube video lag on 18.04
93063
Ubuntu 18.04 hangs on booting with message "started user manager for uid 120" on Asus 1015PX
117483
Ubuntu open to black screen with blinking underscore character after release upgrade
75727
Kernel panic and unable to boot Ubuntu 16.04 after updating
75208
How to enhance my system boot up speed
27109
After the upgrade to 17.10 I only get a black screen. How do I fix this?
144287
Mint 18 will boot only to a black screen
66898
Slow startup of Plasma 5.5 in Kubuntu 16.04
89603
How can I know if reboot is required after update?
126086
MacBook Pro Mid 2015 Display flickering to static/weird colour during usage
20367
Ubuntu 20.04 Gnome Very slow
89925
What is the usual boot time on Ubuntu 16.04 LTS?
60524
Upgraded to Ubuntu 18.04, but I still have old UI