Separate names with a comma.
Discussion in 'MacBook Pro' started by GD0X, Sep 24, 2012.
Video explains it
Video is missing.
If you use YouTube, copy the link and use the YouTube tag. Here is how you use it (bottom of page, last entry).
Have you tried any of these steps, if you can use them?
Mac doesn't boot
Resolve startup issues and perform disk maintenance with Disk Utility and fsck
Troubleshooting: My computer won't turn on
A flashing question mark appears when you start your Mac
already tried a number of these :/