Unfortunately I'm not well versed in my Apple-fu. A friend has a 13" Macbook and it won't boot, there's really no sign of life on it. We've tried holding down the power button for a while and no go.

Has anyone had experience with not being able to boot and getting a Circle with Slash through it? Last night my MacBook froze and I had to power it down. When I tried to power it back up, it would sit ...

While using these suggestions, make sure you have enough permission on the user account for any needed modification. Boot Camp Assistant might stop responding, or installation failed. Startup disk ...