Can you disable Macbook Pro screen and only use the external screen with Lion OS?
Close the lid and it will be automatically put into clamshell mode, or if you want to keep the lid open with no display go into display preferences and turn off mirroring.
Thanks, guess this is the only solution.I know that if you close the lid and have it hooked up to the power adapter and use a peripheral to wake it up then it just uses the external. However I have yet to figure out a way of keeping the lid open and doing this.![]()
No air goes through the keyboard, the keyboard is sealed from the motherboard with a layer of plastic.
OSX Daily just posted a terminal command that will disable the screen. Check it out.
Some MacBook Pro or Air users may want to disable their internal screen when the laptop is connected to an external display, this is generally achieved in two ways but since Mac OS X 10.7 the internal screen is more persistent and wants to stay on.
To disable the internal screen for OS X Lion based laptops, launch the Terminal and enter the following command:
sudo nvram boot-args="iog=0x0"
Youll need to reboot for changes to take effect, and the internal display will then be completely disabled regardless of whether the Mac is open or closed.
To undo this, you can go back to the Terminal and enter:
sudo nvram -d boot-args
Then reboot again, or you can just zap PRAM by holding down Command+Option+P+R during reboot, which clears out the boot-args as well. If you were to disconnect the MacBook Pro from an external video source, zapping the PRAM would be how youd want to reenable the internal display.
This is the opposite of clamshell mode where the Mac laptop is closed and the screen is still turned on. Clamshell can look nice, but without adequate air flow the Mac may overheat, thus running the computer with the display open is recommended. If youre going to do this, be sure to set the primary display so that the menubar, Dock, and alert windows go to the proper screen.
Folks at my work don't understand why I like to do this either. Here are my reasons:
- main reason = the app menu at the top will only show on the main macbook display.... not very intuitive when I want to use the larger monitor for most of the work (if I could make my macbook my secondary type display that would be a good solution for me)
I am surprised by how many people don't realize you can switch which display is your "main" display by dragging the title bar from one display to another in the Displays section of System Preferences. It's in the same pane as the orientation settings. The option only appears when you have a second monitor plugged in. Furthermore, the computer remembers this and if you reconnect your external display, it automatically switches the Dock and the Menu Bar to the external display.
I hope you find this information useful.![]()
i thought the air is coming out to the back bottom of the lcd (the black plastic), correct me if im wrong.
Yes, and that vent is unaffected by whether or not the lid is open. If anything, the vent is MORE open when the lid is closed than when it is open.
Actually it would be more open with the lip open because it can flow up
Then I put it to sleep, wake it up and the computer suddenly sees two displays, despite the lid being closed. There is no way to get rid of the second display unless I restart the computer again. It is ridiculous.
What happens if you open the lid and then close it again after this happens?
Also, do you have an aversion to running two monitors? It gives you more space...