Hi As I wrote in another thread my Macbook has both the whining and the mooing, and it's really getting to me. I'm turning it back in, and hope to get a new, flawless one. However, I've discovered another problem with my Macbook...one that I haven't read about anyone else having: my battery doesn't work. There's an x over the battery indicator in the top right corner, and when I click on it it says "no batteries available". If I disconnect the charger it shuts down after a second or two. I've tried to start it without the battery, and then turn it off and put the battery in it again. No change. Considering that I'm turning it in it doesn't really matter, but I thought I'd throw this out there to let you know that the noise issues aren't the only problems with the Macbooks. If anyone has any ideas about what I can do to fix it I'll be happy to try, seeing how I won't have time to take it back until saturday.