Oddly enough, it seems to work to resolve some of the mystery Mac booting into black screen issues. Regular readers may recall that we covered some OS X keyboard shortcuts for the Shutdown, Sleep, and Restart controls of just about every Mac, and this little key press sequence takes advantage of those. Second, Try a Keypress Sequence to Ditch the Black Screen When the Mac boots, hopefully the black screen has gone away and you’re back to normal, but if it doesn’t… reader Nathan D. Older Macs can find directions here for the same process on their machines, it’s slightly different if you can take out the battery.
Shut down the Mac and connect it to your MagSafe adapter and a wall outlet as usual.On any modern MacBook Pro or MacBook Air with a built-in battery, which is just a bout all of them nowadays, this is how you do that: This will dump and reset settings for anything power management related, and is long known to resolve problems with things like fans, heat, sleeping problems, and of course, display issues.
The first thing you’ll want to do resolve nearly every power related issue on a Mac is to reset the SMC, or System Management Controller. First, Reset the System Management Controller to Fix the Black Display on Boot Though it’s rare, we figured this would be a good opportunity to share three potential solutions to this problem, and similar issues, should you encounter a dark screen on system start. Case in point one of our readers experience with his MacBook Pro, which out of the blue rebooted to a completely dark screen.