the power led stops working...

in my macbook pro (early 2011) during the update of the el capitan 10.11.2 to 10.11.3 power led to go to Flash mode & stops working after update.can help me! ?

The usual remedy is to reset the SMC. Read all the steps.

Before resetting the SMC

Try each of the following steps in this order before reset you the SMC. Test the issue after execution of each troubleshooting step to determine if the problem persists.

  1. Press Command + Option + escape to force quit all applications that are unresponsive.
  2. Put your Mac to sleep choosing the Apple () menu in the menu bar at the top left and then choosing sleep. After that he went to sleep, to wake up the computer.
  3. Restart your Mac by choosing the Apple () menu in the upper-left menu bar, then selecting restart.
  4. Stop your Mac by choosing the Apple () menu in the bar menu at top left and then choosing stop.

Resetting the SMC on laptops with a battery you should not remove on your own

  1. Shut down the computer.
  2. Plug the MagSafe power adapter to a power source, connecting to the Mac if it is not already connected.
  3. On the built-in keyboard, press Command-Option-shift keys (left side) and the power at the same time button. Power adapter light can cycler deactivation / activation once.
  4. Release all the keys and the power button at the same time.
  5. Press the power button to turn on the computer.

Tags: Mac OS & System Software

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