I can't start Ubuntu, GRUB does not appear
14617
Dual-boot boot menu does not show up after installing Ubuntu 15.10 alongside Windows 10
124743
Need Help Fixing Grub after Installing Ubuntu 13.04 x64 Alongside Windows 8 on a Lenovo IdeaPad Y400 with UEFI
672
Unable to boot into Windows after installing Ubuntu, how to fix?
64823
Installed Ubuntu alongside Windows 8, and W8 won't boot anymore
126804
My ubuntu partition was deleted and I can't boot from either a DVD or USB
99655
WUBI installed Ubuntu not showing up at boot menu after Windows reinstallation
8265
How to fix "error: unknown filesystem. grub rescue>
60113
System boots straight into Windows without showing GRUB
79692
Grub rescue prompt, repair grub
52539
Why can't I choose Ubuntu at boot?
143712
Repair Grub after install windows?
78139
No grub menu after Ubuntu install, booting directly into Ubuntu
133911
How to disable Grub's menu from showing up after failed boot
134817
How do I set Ubuntu to my default boot?
10334
Stuck in Ubuntu Booting Screen
72845
Ubuntu won't boot with Windows7
105222
Windows 8 won't boot via GRUB after installing Ubuntu with boot-repair