According to an article at vnunet, the following are the top 10 reasons reported to and insurance company in England for why their laptop was no longer working:

1. Dropped off a bridge into a river
2. Dropped iron on screen
3. Dog chewed through cable
4. Reversed over by car
5. Spilt milkshake on keyboard
6. Left on car roof and dropped off
7. Fell down stairs
8. Water damage in hotel in Zambia
9. Book dropped on keyboard
10. Fell out of van