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> **Possible Duplicate:**  
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> [How can I repair grub? (How to get Ubuntu back after installing Windows?)](https://askubuntu.com/questions/88384/how-can-i-repair-grub-how-to-get-ubuntu-back-after-installing-windows) 
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I have/had dual boot with 11.10 and windows 7. I left my laptop running with windows 7 going and I think it did an automatic update and restarted it's self. Now when I turn it on all I get is a black screen with the blinking cursor in the corner.