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How to reset the SMC, PRAM and NVRAM on a Mac Desktop

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How to reset the SMC, PRAM and NVRAM on a Mac Desktop, PRAM/NVRAM Reset: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
PRAM/NVRAM Reset

  • Shut down your Mac.

  • Turn it on and immediately press and hold these four keys together: Option, Command, P, and R.

  • You can release the keys after about 20 seconds, during which your Mac might appear to restart.

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