Just wondering if anyone can tell me why my daughter's notebook computer shuts down automatically when it is idle for a few minutes. If I set the computer on the desk and walk away, the screen turns black and it's like it has shut down. Screen saver does not come on. She may just need to adjust the screen saver, but I was wondering if anyone thinks this may be something to do with Vista (we are not really sure how to work Vista yet), or if maybe the computer is just "hibernating." If so, we need to know how to correct this problem. Any help you can give us would be appreciated. She is up at school and looking for help from me. Thanks!. 