Ubuntu 13.10 not booting
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
82914
Where is the boot loader installed?
157219
Computer won't boot up (only beeps)
105222
Windows 8 won't boot via GRUB after installing Ubuntu with boot-repair
140301
Ubuntu 13.04 on UEFI system with Windows Boot Manager as the main loader
144287
Mint 18 will boot only to a black screen
24007
How to troubleshoot a computer not booting up when powered on?
119000
Numlock turned on on boot-up
64823
Installed Ubuntu alongside Windows 8, and W8 won't boot anymore
33897
Broken /boot partition: input/output error
141592
Error on Ubuntu boot up - "recovering journal"
32246
How to install the Boot-Repair tool in an Ubuntu live disc?
115017
Black screen after clicking "Install Ubuntu"
133898
Sickbeard and Sabnzbdplus won't start at boot
157857
How do I boot my PC from GRUB?
74148
Problems with booting the system
37124
UEFI machine doesn't boot Ubuntu through NVRAM bootcatalog. How to fix?