Dual-boot problems, installing Ubuntu alongside Windows 8.1
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
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."
122007
Dual boot. How do I reinstall the Ubuntu partition?
39946
How to show GRUB after install Ubuntu over Windows 8?
12237
Attempted Installing Ubuntu on Windows 8.1 UEFI, Confused about booting in UEFI, Legacy Mode
9458
Installation problems with GRUB, can only install by reinstalling Windows in legacy mode but need to keep in UEFI mode
142787
How to Install Ubuntu on separate hard drive in a dual boot?
23043
Windows 8 installed Ubuntu 12.10 boots straight to Windows 8
74148
Problems with booting the system
30233
How can I fix/install/reinstall grub?
14617
Dual-boot boot menu does not show up after installing Ubuntu 15.10 alongside Windows 10
148049
Deleted Ubuntu 20 alongside windows 10 and unable to install again
88592
Installing Ubuntu 13.04 after installing Windows 8
5626
Dual boot Win 8 / Ubuntu loads only Win
70357
Dual boot problem Windows 8 & Ubuntu 12.04
96248
Cannot Restore Grub After Windows 8.1 Upgrade
91264
How to reinstall Ubuntu as part of dual boot?