I have a 2006 Acer Aspire 5630 running Ubuntu 11.04. recently it started to have these symptoms:
Restarts whenever I move the lid forward or backward by one inch.
Restarts the most when I perform a cold power on
Sometimes it runs fine, when I move the lid the same way, nothing happens.
A one point I had this message after a boot.
What does that mean and why the lid is so sensitive? I'll be happy to hear what can I do.