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  1. #1

    Member Since
    Dec 13, 2009
    iMAc 1.8GHz PowerPC G5, 2GB, 10.5.8
    iMac won't sleep; Trackpad and Keyboard eat batteries
    I love my iMac (specs at bottom) but this one had a problem sleeping once I got and connected the Magic Trackpad and Keyboard via Bluetooth.

    Also, the batteries do no seem to last long. A few weeks? I had rechargeables and alkaline, but changed the trackpad batteries just last week and now it says 8%.

    I set un-checked the Bluetooth Preference so the Trackpad and Keyboard could not wake the iMac. That, oddly, seemed to let the computer sleep properly
    --> Huh?!?!?!?

    Then, I now have to wake the iMac by the power button, and manually press the buttons on the Trackpad and Keyboard to get them paired.

    I saw some threads about updating their software, but don't see how to do that from within the Preferences pane. Or is that old advice, now handled by Software Update?

    I'm just puzzled by this stuff...

    20-inch Late 2006
    Processor 2.16 GHz Intel Core 2 Duo
    Memory 3 GB 667 MHz DDR2 SDRAM
    Software Mac OS X Lion 10.7.5 (11G63)

  2. #2

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    iMac i5 2.7GHz, 16GB memory, OS 10.11.1.
    For what it is worth over years experimenting find the best batteries for keyboards, trackpads and mice are Energizer Ultimate Lithium. Currently experiencing six months on the keyboard and three to four months on trackpad/mouse. Worse results come from re-hargeables, but have just purchased Sanyo Eneloop 2500 mAh batteries which I believe are used by Apple.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  3. #3

    ferrarr's Avatar
    Member Since
    Jul 16, 2011
    Pawtucket, RI, US
    L2011 15 MBP Quad 2.2 I7 OS X.10 16GB 240GB SSD & 500GB HDD (no Optical drive)
    When I had my iMac, I purchased the Apple rechargeable batteries and they lasted 2 or 3 months between charging. I also used to turn my Magic Mouse and Keyboard off, so it wouldn't wake the iMac, I really disliked not being able to turn the display off. When you turn them back on they will pair automatically. One thing I noticed was that the vibrations would activate the mouse and wake the pc.
    iPad 2 iOS 8, iPhone 4s iOS 8, iPhone 6 iOS 8.

  4. #4

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Fort Worth, Texas
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    Don't need no stinking wireless stuff, I love wires! Old dinosaurs love lots of wires hanging off their Mac. Never have trouble with batteries that way.

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