After Updating my 14.04 thro' internet, system is not opening.

Fri Oct 2 01:52:44 UTC 2015

I use Ubuntu 14.04 in my laptop.It was updated thro' Updater. After
updating the system doesn't open. I get a terminal screen grub rescue>

Ramachandran.C
91(422)2496638
91(4923)262362
Mobile:09446290638
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