What is this "button" next to the battery indicator light?

Discussion in 'MacBook Pro' started by Interstella5555, Aug 12, 2013.

  1. Interstella5555 macrumors 603

    Interstella5555

    Joined:
    Jun 30, 2008
    #1
    Sorry, this is kind of a random post, but I was wondering this for a while and didn't know how to describe it, but looked up the battery indicator lights for something else and figured I'd ask here.

    [​IMG]

    Ok, even weirder, it doesn't seem to do anything on my 15" MBP at home but pressing it one my 13" work computer seems to "cycle" the lights?

    Thanks!
     
  2. pgiguere1 macrumors 68020

    pgiguere1

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    May 28, 2009
    Location:
    Montreal, Canada
    #2
    It just turns the lights on for a couple seconds, turning them on one at a time from left to right to form some kind of animation. What do you mean the button does nothing? Lights are not supposed to turn on unless you press that button.
     
  3. GGJstudios, Aug 12, 2013
    Last edited: Aug 12, 2013

    GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #3
    What specific model is your MacBook Pro? It's likely that the button only serves to turn on the lights, so you can see the current battery status.
     
  4. WMD macrumors regular

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    Jun 12, 2013
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    Florida, USA
    #4
    Those are battery indicator lights. The button turns them on for a few seconds, so you can see how much charge remains. Useful to check the battery when the computer is off/asleep.
     
  5. mneblett, Aug 12, 2013
    Last edited: Aug 13, 2013

    mneblett macrumors 6502

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    Jun 7, 2008
    #5
    My late '08 15" MBP has these, and yes, they are battery status lights triggered by the button.
     
  6. Ann P macrumors 68020

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    Jun 29, 2009
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    California
    #6
    Press it to see how much juice you have left.
     
  7. Millionaire2K macrumors 6502a

    Joined:
    Apr 12, 2011
    #7
    I love the 4 replies after the 1st guy already answered the question. This is not really a how button issue.


    Oh and to stay on topic... The button is to turn the lights on so you can see how much power your battery has. :rolleyes:
     
  8. bobcan macrumors 6502a

    bobcan

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    Sunny but Cold.. Canada
    #8
    Indeed.. and yours makes it SIX.. Luckily!! :D
     
  9. Zeov macrumors 6502a

    Zeov

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    Odense
  10. Tavicu macrumors regular

    Tavicu

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  11. Interstella5555 thread starter macrumors 603

    Interstella5555

    Joined:
    Jun 30, 2008
    #11
    I've just just never notice it actually doing anything on my MBP at home, but am also not sure that I've been looking at the battery lights when pressing, so was just wondering.

    Late 2011 15" at home, probably a late 2011/early 2012 13" at work. Thanks everyone.
     
  12. sofianito macrumors 65816

    sofianito

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    Jan 14, 2011
    Location:
    Spain
    #12
    Breathalyzer? :D
     
  13. locoboi187 macrumors 6502a

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    Oct 3, 2012
    #13
    Yes, but nothing is true unless it comes from GGJstudios.
     
  14. Millionaire2K macrumors 6502a

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    Apr 12, 2011
    #14
    lol
     
  15. takeshi74, Aug 14, 2013
    Last edited: Aug 14, 2013

    takeshi74 macrumors 601

    Joined:
    Feb 9, 2011
    #15
    I'm guessing this is still relevant as Apple still has it linked on the main MacBook Pro Support page for batteries and power:
    http://support.apple.com/kb/HT3205

    IIRC mine turn on when I disconnect power.
     
  16. Interstella5555 thread starter macrumors 603

    Interstella5555

    Joined:
    Jun 30, 2008
    #16
    It's like the 3rd post/question I've ever made on here, in the future I should just send a PM to GCJ ;)
     

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