![]() You may find that a corrupted property list (plist) file could be at fault. This should reset the PRAM/NVRAM, so check whether your trackpad works, and move on if you don’t have success.Ħ.For newer MacBooks with the T2 security chip, release the keys after the Apple logo appears for the second time.Most MacBooks will play the startup sound, indicating that you can release the keys. Press and hold Option + Command + P + R for about 20 seconds. ![]() Either can be at fault for your trackpad issues, and resetting them follows the same approach. They both hold dedicated configuration settings for your system. Reset the Parameter RAM (PRAM) or Non-Volatile RAM (NVRAM)ĭepending on your model and age of MacBook, it will use either PRAM or NVRAM.
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