Lately I've been experiencing some random lockups. I'll be surfing the web, click on a new link and the link won't load. IE (or firefox, has happened with both) will then lock up. Soon after the entire computer will lock up. I can't ctrl-alt-delete out or do pretty much anything other than power it down. Its happened when using other applications as well, but mainly when surfing the web (granted 95% of what I've been using the laptop for lately has been surfing the web). It also seems to only occur when I'm running on battery power. It most recently happened a few hours ago and after having to shut down the system, a file was corrupted and I had to restore my system. Since then it seems to be working ok (knock on wood) but the lock ups seem to be pretty random and I also haven't reinstalled any software. Anyone have any idea what might be wrong? I submitted a report to IBM but from reports about their customer service and the fact that the lockups seem to be random, I have my doubts about them being able to help.