System freezes during booting everytime (Ubuntu 14.10)
96797
Cannot boot because: Kernel panic - not syncing: Attempted to kill init!
9871
Computer doesn't boot up, shows PXE error and/or "operating system not found", "no bootable device", "insert boot media", or other similar error
79817
How do I troubleshoot random rebooting?
62694
Ubuntu 17.04 Freezing Issue
156142
Ubuntu freezes randomly with audio playing in the background
67836
Out Of disk, but still boots
144399
How can I debug frequent unrecoverable freezes?
9955
Front end freezes on start-up
100323
Stuck on blue screen while booting the system
78405
I can't get grub menu to show up during boot
127644
How to fix 'Android is starting' optimization on every boot?
23568
Linux 4.18.0-14 won't boot
157166
How can I see what happens during the boot process?
50904
Black screen on boot after AMDGPU-Pro install (16.04)
49118
Ubuntu 16.04 hangs on shutdown/restart
1285
My computer boots to a black screen, what options do I have to fix it?
51429
How do I troubleshoot a Windows freeze or slowness?