How To Clean Dust Out Of Macbook Pro Retina

MacBook Pro with a Black Screen

Rarely, a Mac may encounter some peculiar issue during system kicking that tin can cause quite a bit of panic, like booting to a completely black screen. It would exist easy to interpret that as a potential hardware problem, and in some particularly rare situations that may be the case, but it's more than often a software issue that can exist resolved with some simple troubleshooting steps.

Example in betoken; 1 of our readers experience with his MacBook Pro, which out of the blue rebooted to a completely dark screen. Though it'southward rare, we figured this would be a skilful opportunity to share 3 potential solutions to this problem, and similar issues, should y'all run into a nighttime screen on system start.

Starting time, Reset the System Management Controller to Fix the Black Brandish on Boot

The first thing you lot'll desire to do resolve nearly every power related issue on a Mac is to reset the SMC, or System Management Controller. This volition dump and reset settings for anything power management related, and is long known to resolve issues with things like fans, oestrus, sleeping bug, and of course, display issues.

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 yous practise that:

Shut down the Mac and connect information technology to your MagSafe adapter and a wall outlet equally usual
Concord downwardly the Shift+Control+Option+Ability button at the aforementioned time for a few seconds
Release all keys at the same fourth dimension, and then boot the Mac as usual

Older Macs can find directions here for the same procedure on their machines, it'southward slightly different if you can take out the battery.

When the Mac boots, hopefully the black screen has gone abroad and you lot're dorsum to normal, simply if it doesn't… reader Nathan D. wrote in with the adjacent tip.

2nd, Endeavor a Keypress Sequence to Ditch the Black Screen

Regular readers may recall that we covered some OS X keyboard shortcuts for the Shutdown, Sleep, and Restart controls of merely about every Mac, and this little key printing sequence takes advantage of those. Oddly enough, it seems to piece of work to resolve some of the mystery Mac booting into black screen problems. Hither'southward the precise sequence to follow:

Press the Power / OFF button one time – this will bring up the dialog box which you tin't come across
Press the "S" push button – this is the shortcut to sleep the Mac
Hold downward the Power push button until a hard shut downwardly is forced
Look well-nigh 15 seconds, then hit the Ability button once again to turn it back on

This key press solution was discovered by reader Nathan D., who found it tucked away on MacRumors Forums, and it has worked for several other commenters there likewise. Some other users on the MR forums suggest that resetting PRAM helped them as well, but most power bug are resolved by the SMC reset.

Attempt a PRAM Reset to Resolve the Black Kick Display

If the higher up two tricks failed, a PRAM reset tin often exercise the trick, as many of the commenters on this article can adjure to. As a potential solution to the black screen on kick, this is done upon restarting the Mac similar to an SMC reset:

Reboot the Mac and every bit soon as you hear the kicking chime, hold down the Command+Pick+P+R keys together
When you hear the boot sound once again, the PRAM has been reset so let the Mac kicking over again as usual

At this point your Mac should kicking again equally usual and no longer have the blackness display, loading Mac Os or Mac Bone X as usual.

Finally; Enter Password, Hit Render

Some users in our comments report an interesting alternative finding if they hit the black screen on boot; if they enter their regular login countersign and striking the Enter/Render fundamental, the Mac boots up every bit usual and they're adept to get. Try this out, it might work for you lot:

When the Mac boots into the black screen, enter the password you lot'd use to login to the Mac every bit usual
Hit the Return key

If this works, you'll know rather rapidly because the black screen volition give way to the regular Mac OS desktop.

Turn Off Automatic Graphics Switching (for black screens on dual-GPU MacBook Pro just)

Some MacBook Pro models have dual graphics cards that switch automatically. For whatever reason those models can sometimes kick straight to a blackness screen. Ofttimes this can be remedied by simply disabling automatic graphics card (GPU) switching on MacBook Pro as instructed here:

From the  Apple carte choose "System Preferences" and so go to "Energy Saver"
Toggle the switch next to 'Automatic Graphics Switching' to turn that off

Disable automatic graphics switching on MacBook Pro

Restart the Mac as usual

Did one of these solutions work to get past the black screen on Mac boot for you? If you happen to run into this unusual issue with your Mac, let us know how you resolved information technology by leaving a comment below, and if the above tips worked for resolving the boot to blackness screen trouble on your MacBook, MacBook Pro, MacBook Air, and whichever Pro or Air model information technology may exist. And of course if you have your own solution to the booting to a black screen issue, share that below in the comments as well!