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Use a MacBook with the main display off
Authored by: macheel on Jun 09, '06 11:46:31AM

Umm...what, exactly, is the advantage to this method versus simply holding the screen dimmer button until the display blackens? Seems like a whole lot of out-of-the-way silliness for a simple result if you ask me, but perhaps someone has a good explanation? Inquiring minds wanna know...

Thanks!



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Use a MacBook with the main display off
Authored by: kroepke on Jun 10, '06 03:29:48AM

The real use for this is that the internal screen is not only not showing anything, but isn't using any resources either. Thus if you run a higher resolution on the external screen (as I do with my PowerBook G4 all the time) you do not take the performance hit of having to drive the internal screen, too.
Of course this only applies to the extended desktop mode. The external screen simply has all the video RAM for itself, and is thus faster...



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Use a MacBook with the main display off
Authored by: hamarkus on Jun 10, '06 09:13:33AM

You cannot loose your cursor on a display that is off, you can do so on one that is dimmed.



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Use a MacBook with the main display off
Authored by: mayo2ca on Jun 10, '06 07:34:59PM

Turning down the brightness actually doesn't power off the monitor, and it still puts out some heat. I wouldn't recommend doing this with the lid almost closed (ie, down but not locked in). Also, if you look close enough even with the brightness at 0%, you can, barely mind you, still see the stuff on the screen.

The difference is exactly that .. turned off monitor versus minimal brightness.



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