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When I close my MacBook pro the external monitor turns off?
When your computer is in closed clamshell mode the built-in display is disabled and all video memory is allocated to the external display for best performance. To reactivate your built-in display, sleep the computer and then wake it, or use the Detect Displays button in the Displays preferences.
Why does my monitor go black when I close my Mac laptop?
if you are using a MacBook, MacBook Air or MacBook Pro, make sure you have the power adapter connected. if your laptop is on battery power, the external screen will go black whenever you close the lid of your laptop (when on battery power, all connections are powered off when you close the lid to save energy)
Can a MacBook Pro go to sleep with an external monitor?
You can close the lid and the MacBook shouldn’t go to sleep with an external monitor connected. If the external display turns off after closing the lid, simply press any key on the keyboard and it would wake right up. 2.
How can I Keep my Mac from going to sleep?
Set the amount of time your computer or display should wait before going to sleep: Drag the “Computer sleep” and “Display sleep” sliders. Keep your Mac from going to sleep automatically: Select “Prevent computer from sleeping automatically when the display is off.”
Why does my Mac book go to sleep when I close the lid?
Unlike Windows, MacBook doesn’t have an option to customize how the computer should react when the lid is closed. So when you close the inbuilt display, your MacBook would instantly go into Sleep mode irrespective of what you’re doing. It can also happen when you’ve connected an external display.
Can you put a MacBook Pro in closed clamshell mode?
Use the Closed-Clamshell Mode. Apple does offer an option to use MacBook Pro with an external monitor and it works even if you close the in-built display. However, the most important thing is that if you don’t plug in the power cable the Clamshell mode won’t activate. It would go to sleep, instead.