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Power button not recognized (El Capitan)

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I recently installed El Capitan from Mavericks. Back on 10.9, the power button on my laptop was recognized and worked perfectly. It would bring up a menu for sleep, shut down log out etc. In El Capitan, the power button is not recognized. Can it be fixed without much hassle? A DSDT patch perhaps? Not really a deal-breaker, but a nice feature to have.
 

P1LGRIM

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Moved to Laptop Support.
 

RehabMan

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I recently installed El Capitan from Mavericks. Back on 10.9, the power button on my laptop was recognized and worked perfectly. It would bring up a menu for sleep, shut down log out etc. In El Capitan, the power button is not recognized. Can it be fixed without much hassle? A DSDT patch perhaps? Not really a deal-breaker, but a nice feature to have.

The power button still likely works, but your expectations about it are wrong.

Apple changed it.

It takes more than just a press of the power button to do anything. A slightly longer press will initiate sleep. You can get at the menu with Ctrl+PowerButton.
 
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