Black GRUB screen when booting into dual-boot of Windows 8.1 and Ubuntu
918
How to remove Ubuntu and put Windows back on?
672
Unable to boot into Windows after installing Ubuntu, how to fix?
15124
Can't boot Ubuntu or Windows 8 after Ubuntu 64-bit install on Samsung series 7 Windows 8 laptop, error "All boot options are tried."
72845
Ubuntu won't boot with Windows7
122378
Can't boot Windows Vista after installing Ubuntu
64823
Installed Ubuntu alongside Windows 8, and W8 won't boot anymore
96248
Cannot Restore Grub After Windows 8.1 Upgrade
19755
Ubuntu 14.04 doesn' t boot after upgrade from 12.04 installed inside Windows 8.1
67545
grub2 wont load Ubuntu on dual boot
12237
Attempted Installing Ubuntu on Windows 8.1 UEFI, Confused about booting in UEFI, Legacy Mode
100323
Stuck on blue screen while booting the system
16182
How can I dual boot Windows and Ubuntu?
26685
Tried to install both Windows and Ubuntu, now neither will boot
14617
Dual-boot boot menu does not show up after installing Ubuntu 15.10 alongside Windows 10
10412
Can't boot into Ubuntu in Windows 10 / Ubuntu dual boot
84732
How to get GRUB to be the default bootloader instead of Windows Boot Manager on a UEFI laptop?
124014
Black screen after installation of Ubuntu 18.04