no boot menu or / mount point after installing Ubuntu 12.04

Posted by Liz Kaiser on Ask Ubuntu See other posts from Ask Ubuntu or by Liz Kaiser
Published on 2012-07-10T01:13:32Z Indexed on 2012/07/10 3:22 UTC
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I've installed Ubuntu 12.04 using a Live CD to a new Gateway computer with Windows 7. I used "Install Alongside Windows" option. But on restart there was no boot menu. It only starts into Windows. I looked at partitions using GParted (with Live CD) and it shows my new Ext 4 partition for Ubuntu as follows

sda4 Extended, sda5 Ext 4, sda6 linux-swap

But there is no / Mount Point listed for the sda5 partition. I did try Boot-Repair but it did nothing. So I've got 2 problems: no GRUB menu and no / Mount Point for my ext 4 partition.

I'm so exasperated. Do I have to edit the fstab file to create a / mount point? (And that prospect really scares me.) And if I do, could someone give me step by step instructions.

In order to avoid this detailed and scary stuff in the Terminal (which I really do not know very much about), I deleted the ubuntu partitions and started all over installing 12.04 again. But I'm left in the exact same situation now.

Thanks for any help you all can provide. Is there an easy way out of this?

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