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Why is my Mac showing a blue screen?
If you see a blue screen, or a blue screen with a spinning beachball, then it’s likely that there is a problem with a peripheral plugged into your Mac, an issue with your startup items, or something wrong with the software you are running.
Why won’t my MacBook Pro connect to my projector?
You can also try turning off your projector like this: Make sure that both your MacBook and are connected. Turn off your projector and disconnect it from your MacBook. Wait for a few moments, then connect the projector back to your MacBook.
What to do when your Mac screen turns blue?
If your Mac screen turns blue for long, you can repair your disk using Recovery Mode. Reinstalling macOS keeps your files and user settings unharmed if you do it with Internet or install it from the recovery partition (hard drive or flash storage on Mac). When you reinstall the macOS, connect your Mac to the Internet.
Why is the screen on my MacBook Pro Black?
Sometimes, the screen can also be gray or blue. Thus, this issue is also known as MacBook Pro blank screen. The issue can happen to all models of Mac computer including iMac, iMac Pro, MacBook Air, and MacBook Pro. The followings are some common causes: Your computer screen is not in a normal state; Your laptop battery runs out of power
What should I do if my Mac has a blank screen?
If your Mac boots normally, you can click the Apple menu on the desktop and then go to System preferences to adjust the screen brightness or there settings like sound volume, startup disk selection, or time zone. However, if your Mac still boots into a blank screen, you may need to reset SMC.
What to do when your MacBook Pro is in safe mode?
A simple solution for this is to force your Mac to run diagnostics on the disk by booting it in safe mode. To start-up in safe mode: Power up or restart your Mac Hold the Shift key until the Apple logo appears on the screen.