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Can't use mouse/keyboard/trackpad when waking iMac from sleep mode

494 Views 1 Reply Latest reply: Oct 9, 2013 1:16 PM by Linc Davis RSS
Rockondevil Calculating status...
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Oct 9, 2013 12:02 AM

Basically as the title says. When I wake my iMac from sleep mode I am unable to use my keyboard/trackpad/mouse during the login window. Once the screen goes black by itself, after a minute or so I can then log in properly.

 

Yes the keyboard/mouse/trackpad are all connected when it wakes from sleep as I can use any of them to wake it from sleep, I just can't move them or type with them in the login window.

 

Processor  3.4 GHz Intel Core i7

Memory  24 GB 1600 MHz DDR3

Graphics  NVIDIA GeForce GTX 680MX 2048 MB

Software  OS X 10.8.5 (12F37)

iMac, OS X Mountain Lion (10.8.2)
  • Linc Davis Level 10 Level 10 (108,160 points)

    Please read this whole message before doing anything.

    This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.

    The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, or by corruption of certain system caches.

     

    Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode and log in to the account with the problem. Note: If FileVault is enabled on some models, or if a firmware password is set, or if the boot volume is a software RAID, you can’t do this. Ask for further instructions.
       
    Safe mode is much slower to boot and run than normal, and some things won’t work at all, including sound output and  Wi-Fi on certain models. The next normal boot may also be somewhat slow.

    The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.

     

    Test while in safe mode. Same problem?

     

    After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of the test.

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