How to boot up Ubuntu 10.10 (grub not installed on MBR)?

[Tom H]

On Thu, Apr 28, 2011 at 10:59 AM, Chhatoi Pritam Baral
<chhatoipritam at gmail.com> wrote:
> On Thu, Apr 28, 2011 at 20:23, Ryan Wang <openspace.wang at gmail.com> wrote:
>>
>> I have only on disk on my notebook, about 150 GB.
>> I allocated the first 50 GB to Windows XP, and then
>> installed Ubuntu 10.10 from USB to the last 100 GB
>> with boot loader installed on /dev/sda5 (/boot partition).
>
> You should not have installed the boot loader on /dev/sda5, but on
> /dev/sda instead.
> You can boot again from the Live USB, mount the partition /dev/sda5 (on say
> /mnt), and then from the command line:
> $sudo grub-install /dev/sda --root-directory=/mnt --recheck
> That will install the boot loader on /dev/sda.

You can install to a partition if you don't want to write to the MBR.