On Sep 19, 2010, at 8:15 AM, Milt Tyree wrote: > Is it still necessary (seems it used to be) to shut down a MacBook and the > LCD projector before connecting? Or should the LCD be on stand-by and the > MacBook in sleep mode? Or is it okay to connect the LCD to the MacBook > adapter with both fired-up? > > I'm asking because earlier this week, for the first time, I connected my Mac > while it was running to an Epson LCD on stand-by. The MacBook's resolution > automatically changed (as it should); same in reverse (put LCD on stand-by, > disconnected, resolution adjusted). Everything seemed happy. I have a 15" > unibody MacBook Pro (OS 10.6.4). Just want to know if it's safe to do this, > or if I was risking zapping the MBP's logic board or something else scary…
I use various projectors with my Macbook Pro nearly every day. I never shut the Mac down. It doesn't seem to hurt anything. Just to be sure I wasn't just being lucky, I checked the manual that came with the machine. This is from page 70 concerning VGA connections. 1 Turn on the external display or projector. 2 Make sure the display cable is connected to the external projector or display. 3 Connect the DVI to VGA adapter that came with your MacBook Pro to the VGA connector of the external display or projector, and then connect the adapter to your MacBook Pro. Your MacBook Pro automatically detects the external display. 4 Adjust the resolution on the external display by using the Displays pane of System Preferences or the Displays icon in the menu bar, if necessary. Apparently Apple assumes you should keep the Mac turned on.
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