Installed Ubuntu 15.04 alongside Win8 with something else option in a new partition of HDD. But Ubuntu starts directly without letting me choose an OS
46173
Can't boot Windows 7 after installing Ubuntu
148481
How to format my HDD when installing Ubuntu?
55389
How Do I Remove Ubuntu and Install Windows 7?
134817
How do I set Ubuntu to my default boot?
66685
Installing Ubuntu on one of two hard drives
134605
Why does Ubuntu 12.10 not detect my Win7 partition?
127894
Windows Boot Manager: Make Ubuntu the default instead of Windows
140942
Install Ubuntu alongside Windows (legacy mode)
73680
Installing alongside Windows or on a separate partition
72180
Installing Ubuntu on a separate hard drive from Windows
115619
Can I install Ubuntu on a partition formatted as ntfs instead of ext4?
146201
'Upgraded' to Windows 10 on dual boot, and can't boot to Ubuntu partition
147559
Dual boot pc boots directly to ubuntu instead of showing grub menu
110305
Why is Grub menu not shown when starting my computer?
70351
How do I edit the boot order in the GRUB menu to have Windows first?
9128
How do I set Windows to boot as the default in the boot loader?
73245
How do I install Ubuntu and Windows on separate hard drives?