Q: Is it possible to switch off the notebook screen when using an other screen via HDMI
Question is up there.
MacBook Pro (Retina, 15-inch, Mid 2014), OS X Yosemite (10.10.3)
Posted on May 1, 2015 4:55 AM
by Ralph Landry1,Apple recommended
Yes, use the mirroring options in System Preferences > Displays when the external display is attached.
Also you can use the MBPr in clamshell mode:How to use your Mac notebook computer in closed-clamshell (display closed) mode with an external display - Apple Suppor…
Posted on May 1, 2015 5:01 AM