Any of the following issues can be truly annoying with your MacBook: the battery won't charge, the power adapter doesn't work, or, my personal favorite, the Mac won't go to sleep, or worse, won't wake up from it. Here's how to solve some of these power annoyances.
First, try a basic restart. Click on the Apple in the menu bar and select restart. If the computer won't restart, try the following.
Use option-command-escape to force quit any programs that may be stalled. Press control-command and the power button to force a restart of the … Read more