[Fixed] External Display Not Working on MacBook

There has been a hot discussion on the external display on MacBook Catalina that is not working. There can be multiple reasons for the issue to occur and can be solved with general troubleshooting. Besides, here are six potential fixes to the external display not working on MacBook.

[Fixed] External Display Not Working on MacBook

[20 % Fix] Restart your Mac

There can be a conflict between the system software causing external display issue, restarting the machine works often, and I still recommend you to try. Subsequently, here are steps to restart your Mac.

Step 1: On the top-right corner of a screen, tap on the “Apple icon.”

Step 2: Now, from the drop-down menu, choose the “Restart” tab.

If you have a hard time restarting your MacBook Pro, press and hold the power button for about 6 seconds.

Restart Your Mac

[50% Fix] Update MacOS

Updating macOS to the latest version should solve most of the software issues. Here are steps to get you started.

Step 1: Click on “Apple icon,” and from the drop-down, click on “About this Mac.”

Step 2: Now, click on the “software update” tab.

Step 3: After that, click on “Update” to update your Catalina OS to the latest version.

update MacOS Catalina

[70 % Fix] Power OFF and ON monitor again

Step 1: Unplug your display screen, such as TV.
Step 2: Power off the monitor

Step 3: Plug in your monitor again and power it ON.

[70% Fix] Manage Energy Saver settings

Step 1: On the Apple icon, click on “System Preference” from the drop-down.

Step 2: Now, go to “Energy Saver.”

Step 3: In the very settings, make sure “Prevent computer from sleeping automatically when the display is off” is checked.

Prevent computer from sleeping automatically when the display is off

[100% Fix] Force detecting the monitor

Step 1: First of all, connect your Mac computer to the external display screen.

Step 2: Now, go to the “Apple icon” on the top-right corner of the screen and click on it.

Step 3: From the drop-down menu, click on “System Preference.”

Step 4: On the pop-up window, click on the “Display” tabs.

Step 5: Finally, hold the display and click on the “Detect Display” tab.

Detect Display

[100% Fix] Restart Mac and force connect an external display

Step 1: Firstly, connect your display screen to the Mac.

Step 2: Now, click on the Apple icon, and from the drop-down, restart your Mac.

Step 3: After it turns back in, your external display should work fine.

Readers, by now, you should have a clear understanding of the ways to solve external display not working on MacBook. Feel free to write us back in the comment section if you have any queries.

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