Crashes on boot after upgrade to 11.04

[freediver76]

I performed an update from 10.04 to 10.10 and then to 11.04, rebooted and the system freezes during boot.

Screenshot is attached. Laptop is Lenovo X301.

Please help me resolve the issue.

[dino99]

http://ubuntuforums.org/tags.php?tag=checking+battery+state