Menu to let me choose OS to run in a dual boot machine

Posted by user1145905 on Ask Ubuntu See other posts from Ask Ubuntu or by user1145905
Published on 2012-08-29T20:27:16Z Indexed on 2012/08/29 21:51 UTC
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dual-boot

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startup

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

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