How to reset PRAM on Intel Mac laptops

Tags Mac
  1. Shut down your machine. 
  2. Press the power button and then immediately press command-option-P-R.
  3. Hold down keys for about 20 seconds:
    1. On Macs that play a startup sound, release the keys after the seond chime
    2. On Macs with the T2 Security chip, release the keys after the Apple logo appears and disappears for the second time
  4. Let go of the keys and let your Mac reboot normally.

Print Article

Details

Article ID: 42882
Created
Mon 11/20/17 2:26 PM
Modified
Fri 3/17/23 11:51 AM