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  1. #1


    Member Since
    Nov 02, 2012
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    377
    Specs:
    iMac 21.5" 2.5 i5 8G RAM OS X 10.10.3 (12C60)
    Power switch might be failing.
    Imac, bought new off the shelf in August, 2012.

    The switched used to require just a light touch to activate. Now, I have to put my thumb on the front of the computer and index finger on the rear (switch) and squeeze. It doesn't need great force to work, but it's rather concerning that it's failing (?). Could also be that the switch is now "broken in" and is suppose to need a larger force. So, the dumb question of the day is "How much effort is normal when using the on switch of the iMac?"

    Do I have Apple Care? No! Hindsight being 20 / 20 ...

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
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    47,989
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    I don't think it's failing. My 2013 iMac requires a bit of push to get the on off power switch to activate. Sometimes it will make an audible "click", other times it's silent. In contrast, my 2011 iMac on off switch had a very positive feel to it and never made a clicking sound.

  3. #3


    Member Since
    Jan 22, 2010
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    Victoria, BC
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    20,911
    Specs:
    Mid-2012 MBP (16GB, 1TB HD), Monoprice 24-inch second monitor, iPhone 5s 32GB, iPad Air 2 64GB
    This doesn't really answer the question, but why are you even turning the iMac off at all? I mean, apart from very occasionally ...

    I think I turn mine actually OFF about say, every three to six months (barring system updates, of course).

  4. #4

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,866
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    I have 3 of the iMacs with that switch. First was an iMac G5 iSight, 2nd a 2.16 Intel Core2Duo and 3rd a 2.4 Ghz iMac 2007. All I have to do is stick my fingers under the mac and press the button and it comes on. Never really had to press hard. I do not put my thumb on the front.

  5. #5

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
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    47,989
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    Member chas_m makes a good point. The only time I really turn off my iMac is when bad weather approaches such as today where we had severe weather warnings. Even though I use an UPS, its protection is not good enough to thwart a near or direct lightning strike.

  6. #6


    Member Since
    Apr 24, 2009
    Location
    UK
    Posts
    732
    Specs:
    MacBook Pro 15" 2.8 GHz
    As the switch now needs much more pressure than when new, hopefully it will last out the life of the iMac. The switch is part of the the case. It's a major job stripping down and rebuilding everything into a new rear case if it was to completely fail.
    Steve
    UK

  7. #7

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    47,989
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    That's why I buy Apple Care Steve.

  8. #8


    Member Since
    Nov 02, 2012
    Posts
    377
    Specs:
    iMac 21.5" 2.5 i5 8G RAM OS X 10.10.3 (12C60)
    Quote Originally Posted by chas_m View Post
    This doesn't really answer the question, but why are you even turning the iMac off at all?
    I do so because I pay for my own electricity. In fact, all of my computer paraphernalia
    is on a power strip which I shut off at night. Power saved is negligible - I get that. But yes, I suppose it could be argued that I'm putting extraordinary wear on the switch. However, a once-daily click of the on switch should not be too taxing.

    Again, not a failure, but definitely needs a firmer touch...or maybe my fingers are getting weaker.

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