I recently re-imaged my Dell PC to dual-install Windows 7 and Ubuntu 12.04.1 LTS. The dual-boot was a success, since I was able to start whichever OS I wanted.
Now, I installed some software (the OpenJDK package) on the Ubuntu side of the PC. Upon restarting Ubuntu, I unfortunately lost the ability to choose the OS that I wanted to run (i.e., Ubuntu).
Ordinarily, I'd expect to:
1. Hit the power button
2. A menu (Grub?) shows up listing all OSs installed in the PC (namely, Win7 and Ubuntu)
3. Choose which OS I want and hit enter. bingo.
The problem is that I don't see that menu (step 2 above). Instead, windows automatically starts, even when I hit F12 to see the boot options, none of which I understand.
Your help would be great!
Thanks! - Kiptoo