Previous 1 2 Next 15 Replies Latest reply: Jan 31, 2014 3:31 PM by babowa
deborah7676 Level 1 Level 1

Wondering how to turn my iMac back on after a power surge.  Happened once before and was able to reset it by unplugging cord, holding down start button, then reattaching power cord and pressing the start button again.  This only worked when I took it to the Mac outlet store though.  When I try this, it doesn't work.  Outlets and power source (aps) have power.  Trying to avoid a trip with my 27" iMac to the store.


is the hole under the power cord a reset?



iMac, Mac OS X (10.7.5)
Solved by blackdogaudio on Jan 28, 2014 7:17 PM Solved



Here are the specific steps for performing a SMC reset just so it's clear (note bolded bits):


  1. Shut down the computer.
  2. Unplug the computer's power cord.
  3. Wait fifteen seconds.
  4. Attach the computer's power cord.
  5. Wait five seconds, then press the power button to turn on the computer.



P.S. If this doesn't work, repeat the process again only bypassing your APS conditioner completely this time using a standard AC wall outlet for testing/powering your mac. The APS unit may have an internal fault of some sort.

Reply by blackdogaudio on Jan 28, 2014 6:23 PM Helpful

The hole under the power cord is a security slot for a lock down cable to secure your imac to a table, bookcase etc.


LOL...beaten by Matt!

Reply by Matt Clifton on Jan 28, 2014 6:22 PM Helpful

That's a security slot. You can purchase a locking cable (Kensington standard) to attach it to a desk.



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