Possible Duplicate:
How to make hibernate/sleep work on laptops where default setup isn't working?
When I choose to hibernate, my netbook goes to a black page and hibernate does not work. What steps can I take to allow my netbook to hibernate?
Possible Duplicate:
How to make hibernate/sleep work on laptops where default setup isn't working?
When I choose to hibernate, my netbook goes to a black page and hibernate does not work. What steps can I take to allow my netbook to hibernate?
The official Ubuntu wiki provides information on how to triage and debug suspend failures. There also is a helpful page on understanding suspend which mentions some debugging methods.