Why my computer boot straight into Windows 7 and not boot options?
10412
Can't boot into Ubuntu in Windows 10 / Ubuntu dual boot
67935
Windows 7 won't boot after installing Ubuntu 11
121087
How do I install Windows 7 alongside a pre-existing Ubuntu installation?
26383
How to install Windows 7 after Ubuntu and dual boot?
35620
Windows 7 entry missing from grub after 12.04 installation
129293
How to get Windows 7 back after installing Ubuntu (Linux)
72845
Ubuntu won't boot with Windows7
127894
Windows Boot Manager: Make Ubuntu the default instead of Windows
9871
Computer doesn't boot up, shows PXE error and/or "operating system not found", "no bootable device", "insert boot media", or other similar error
7745
Dual boot UEFI Windows 7 and Ubuntu 12.04 (both 64 bits). W7 entry doesn't appear in GRUB
33870
Windows & Ubuntu dual boot.No menu to choose OS?
7724
Uninstall GRUB and use Windows bootloader
46173
Can't boot Windows 7 after installing Ubuntu
17143
Windows 8 removes Grub as default boot manager
61181
Editing the default boot item in grub menu, a definitive answer?
105255
Missing Windows 7 when i installed ubuntu 12.4
120271
Windows 7 + Deep Freeze - I'm stuck in an endless reboot loop