Opening the display on your Mac notebook while it is in closed clamshell mode will have different results based on the operating system you are running. Opening the internal display while in closed clamshell mode If you aren't sure whether your display supports this feature, put your computer to sleep before unplugging the display. Note: Some DVI and Mini DisplayPort displays-including Apple's aluminum-framed DVI displays and the 24-inch and 27-inch LED Cinema Displays-can be unplugged without putting the computer to sleep. How to disconnect your Mac notebook from the display after use:įor best results it is recommend that you put your computer to sleep before disconnecting your display. Note: If your external display is not recognized when it is connected and the computer is powered on, try connecting the display while the computer is asleep or while the computer is off wake or power on the computer after you connect the display. You should now be able to use your Mac notebook as you normally would, with a USB keyboard and mouse.
In System Preferences, be sure that the Allow Bluetooth devices to wake this computer option is selected.For step-by-step instructions, see this article for keyboard pairing or see this article for mouse pairing. Pair your Bluetooth keyboard or mouse with the computer.Verify that Bluetooth is turned on by using the Bluetooth pane of System Preferences or the Bluetooth menu icon.If you are using a Bluetooth keyboard and mouse on a Bluetooth enabled Mac notebook: In Mac OS X v10.6.8 and earlier, wake the computer up by clicking the mouse button or by pressing a key on your external keyboard.
In OS X Lion and later, the external display will change to a blue screen, then will show your desktop.After your computer's Desktop appears on the external display, close the computer's lid.With the computer turned on connect the Mac notebook (using the appropriate Apple adapter if necessary) to the appropriate port on the external display or projector and turn the display or projector on.Connect a USB keyboard and mouse to your computer.Make sure the computer is plugged in to an outlet using the AC power adapter.Use these steps to enable closed clamshell (display closed) mode: If you are using a wired keyboard and mouse: Fred posted a very good support page about how to acheive clamshell mode external displays.
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