MacBook Air: Unexpected fan behavior

A small number of MacBook Air computers may have a fan that continuously runs at high speed after you power on. The condition occurs each time the computer is powered on.

Intel-based Apple Portables: Troubleshooting unresponsive trackpad issues

If you find that the trackpad on your Intel-based Apple portable becomes unresponsive while connected to the AC power adapter, try the following steps to resolve the issue.