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    Trying to use external monitor on MBP

    Discussion in 'Apple and Mac OS X' started by familychoice, Mar 24, 2009.

  1. familychoice

    familychoice Notebook Geek

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    Hi,

    I've hooked my Macbook Pro 15" to an external Dell monitor, keyboard and mouse and everything seems to be working fine - I can put the laptop to 'sleep', then wake it up via the external keyboard and then use the external monitor as the main monitor with the laptop screen 'asleep'.

    All working fine, but only when I'm using the power adapter. If I try and run from just the battery the laptop keeps going back to sleep. It 'wakes', but after a couple of seconds goes back to sleep.

    Anyone have any idea how I can stop this happening?

    Thanks.
     
    familychoice, Mar 24, 2009
    #1
  2. doh123

    doh123 Without ME its just AWESO

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    its set to sleep always on screen close on battery power... which is normal. Why would you do that anyways?

    You do not have to close the screen to use your machine like you are anyways, you can run it as dual monitors, and still set the external monitor as the primary monitor... and if you really don't want to use the built in screen, you can lower the brightness down til it turns the backlight off.
     
    doh123, Mar 24, 2009
    #2
  3. familychoice

    familychoice Notebook Geek

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    I want to do that because I just want to use the main screen on battery sometimes. I'm crazy like that.
     
    familychoice, Mar 24, 2009
    #3