No grub with windows 8/ubuntu & boots to windows (boot repair & os boot manager do not work)
202
How do I install Ubuntu alongside a pre-installed Windows with UEFI?
7724
Uninstall GRUB and use Windows bootloader
14617
Dual-boot boot menu does not show up after installing Ubuntu 15.10 alongside Windows 10
113717
First time installing (erasing Windows) from usb, did everything just so, Boot Device Not Found
123150
How to add Windows to GRUB
16182
How can I dual boot Windows and Ubuntu?
20053
Dual-boot Windows 8?
138901
GRUB2 does not show Windows 8 option to boot into after Dual Boot
15826
How can I repair the Windows 8 EFI Bootloader?
67935
Windows 7 won't boot after installing Ubuntu 11
78139
No grub menu after Ubuntu install, booting directly into Ubuntu
56110
Dual Boot Goes to Win8 Doesn't even Show Grub screen
113006
Grub rescue after removing Ubuntu?
143712
Repair Grub after install 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."
27518
How do I boot Windows 8 into Safe Mode?
19755
Ubuntu 14.04 doesn' t boot after upgrade from 12.04 installed inside Windows 8.1