MacBook Pro display issue related to "hot-plugging"

This article has been archived and is no longer updated by Apple.

Issue or symptom

When hot-plugging an external display into your MacBook Pro, you may notice the external display occasionally stays dark, or the internal display of the MacBook Pro appears to flash or turn black.

Sometimes, when switching from an S-Video to a DVI connection, the internal display may appear black or display only the mouse cursor.


  1. Wait 5 seconds for the screen to automatically re-size or activate.
  2. If this doesn't occur after 5 seconds, click on Detect Displays in the Displays pane of System Preferences.
  3. If the internal (or external) display still doesn't re-size or activate, press the F7 key to turn on mirroring mode, or restart the computer.

This document will be updated as more information becomes available.

Published Date: Feb 20, 2012