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iMac won't wake up from sleep using keyboard or mouse

256313 Views 547 Replies Latest reply: Apr 18, 2014 1:19 PM by VetterC RSS Branched to a new discussion.
  • ineedavodka Calculating status...
    Currently Being Moderated
    Jul 1, 2011 10:36 PM (in response to fan232)

    Disabling 'Wake for network access' worked for the time I tried it, however this functionality is useful, so re-enabled after 10.6.8 on 27" mid 2010 iMac and its also promising so far.

  • cogito_ergo Calculating status...

    canyonblue's solution worked beautifully for me. It sounded wacky, but worked like a charm. Thanks!

  • Keith Gardner1 Level 2 Level 2 (215 points)

    The only thing that really sounded wacky about it was that the computer was not "fully asleep." Kinda like my dog... one eye opens, to check things out, then back to sleep he goes. But I digress. Anyway, the solution did not work for my situation, and I remain stuck with an iMac that has to be powered off and back on again to wake from "sleep." But as I said before, it's clearly not completely asleep, since the cursor is on the screen, but nevertheless the tips I've seen don't work here. Ughhh!

  • chipheater Calculating status...

    Very strange. Like many I've had problems with "sleep" from the time I purchased this iMac. Tried a few solutions and one seemed to work ... then didn't. So just set up to try the "not fully asleep" tip and dutifully put my iMac to sleep by hitting the sleep button. Then just hit the keyboard .. and the Mac woke up ... as well it should but never has! Tried it again. Worked as normal again. Have no idea what's going on (and confess I'm tired of playing around with it, trying various combinations of possible solutions) but hope the iMac keeps up the good work. This "can't wake up" problem seems a bit bizarre.

  • kaymac2 Calculating status...

    I'm having this problem as well.....

     

    my new imac will not wake-up with either the mouse or keyboard and then it doesn't respond to the power button. I've tried holding hitting the power button, holding the power button down and it still won't respond.

     

    The only thing that works for me is to unplug computer and plug it back it and then everything is fine.

     

    I've taken it to the Genius Bar a couple of times and they can't get the computer to not wake up while it's with them. Since this 'not responding' problem is intermittent - I'm getting no help from Genius Bar. They told me to turn off my computer more.

     

    Not happy because a new computer should not be acting this way (and taking the computer in takes too many hours)

     

    It also seems to get extremely hot while it's on.....

     

    What's the solution?

  • laverne\'s mom Level 2 Level 2 (395 points)

    I have had this same problem on and off.  Right now I have found that turning my mac off at night when I am going to sleep seems to be keeping it from happening.  It seems to occur most often if I leave the mac on for several days in a row.  I thought about calling Apple Care, but figure they will tell me to do what you are doing and what I have been doing which is basically what the Genius Bar people said.  I find it less annoying to do this than to have to go through the unplug etc routine, which I have to do sometimes when my magic mouse gets out of wack.  I learned early on this is called resetting the SMC.  If you want more information about that you can find it here .

     

    lavene's mom

    iMac, Mac OS X (10.6.8)
  • BellaMichelle Level 2 Level 2 (205 points)
    Currently Being Moderated
    Jul 14, 2011 10:08 PM (in response to imode)

    when you say click

    control

    shift

    eject, is eject the arrow key in the top row, far right, on the wireless BT keyboard?

     

    I am on my 2nd imac, the first one did the sleep and won't wake without being unplugged and replugged in, which is a pain as the power strip is under my desk.  Now the 2nd imac is doing this.  I have unplugged my new usb drive to see if that helps as I've read in many places that they can cause a lot of trouble. 

     

    In the meantime, I'm here looking for tips in case it doesn't help.

     

    fingers crossed...

     

    Michelle

  • DarleenMB Level 1 Level 1 (0 points)

    the eject key is the triangle (pyramid) over a straight line.

     

    I have "cured" my iMac's coma-itis by shutting it down at night.  Not the best solution but at least I don't have to force quit anymore.  So far.

  • terryv Calculating status...

    I am told this is a firmware problem which Apple are aware of and are working on - affects only some latest IMac's.  Mine has to be disconnected from the mains every time it goes to sleep and won't wake at all.

  • laverne\'s mom Level 2 Level 2 (395 points)
    Currently Being Moderated
    Jul 22, 2011 9:17 PM (in response to terryv)

    My mac is 1 1/2 yrs old.  I wouldn't think that would be "one of the latest" and it  has a problem and if you look at when this thread started (2009) the problem has been going on for a long time.  It could be that we are having similar symptoms but several different causes.

     

    laverne's mom

  • DarleenMB Level 1 Level 1 (0 points)

    Anybody notice that in Lion, system prefs, energy setting now includes a checkbox for "restart on freeze?"

     

    I left my iMac on "never sleep" for the last couple of days and it's been fine but I don't like doing that.  So I checked restart on freeze and set sleep to occur after 3 hours. We'll see what happens.

  • geraldfrompotomac Calculating status...

    My year old 21 inch imac which has run a year straight with no issues has just started to exhibit these symptoms. Very strange as all I have done is regular updates though "software update" .

  • DarleenMB Level 1 Level 1 (0 points)

    So far so good.  It appears as if Lion has cured my Mac of falling into a coma when it goes to sleep.

     

    Anyone else notice this?

  • terryv Level 1 Level 1 (0 points)

    I bought Lion also to try to rectify my waking up problem, but it hasn't nor has the new restart on freeze setting. It is so annoying as everything was working well until a few weeks ago and after an 'update' it has had this problem

  • MrDan108 Calculating status...

    A Double click on the mouse works for me!

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