Fresh Ubuntu 20.04 installation won't boot after GRUB and stuck in boot loop
70720
Boot problem after hanging and manual power off ( Stopping User Manager for UID 121... )
157857
How do I boot my PC from GRUB?
74199
Boot GRUB to entry not booted to last time?
672
Unable to boot into Windows after installing Ubuntu, how to fix?
151715
Windows 10 stuck in install loop
8437
“signal out of range” when starting grub after server installation
78405
I can't get grub menu to show up during boot
10412
Can't boot into Ubuntu in Windows 10 / Ubuntu dual boot
135382
Ubuntu won't boot - kernel error?
143712
Repair Grub after install windows?
47167
Installed Ubuntu 15.1 on USB (full install) but it won't boot
110305
Why is Grub menu not shown when starting my computer?
113717
First time installing (erasing Windows) from usb, did everything just so, Boot Device Not Found
62046
16.04 - system hangs at boot time at "Started Update UTMP about System Runlevel Changes"
50346
Bootloader Problems Grub Won't Load Windows 7
141210
Boot stuck at logo screen after upgrading to 14.10
147622
GRUB2: black screen when booting Windows