My macbook does not detect the phone to the ear.

Hi people,

My macbook no longer detects phone ear when I lock it and unlock then, but after the system restarts, it works fine. It started to happen when I installed the captain 10.11.4 on Macbook Pro retina display.

Please help me solve this problem.

Thank you

Rahul

Reset the NVRAM/PRAM memory.  http://support.Apple.com/kb/PH18761

Reset the SMC. Choose the method for "on Mac Laptops with non-removable battery.

https://support.Apple.com/en-us/HT201295

Tags: Notebooks

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