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How to reset the SMC, PRAM and NVRAM on an iMac Pro

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SMC reset Part 1

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Choose Apple menu > Shut Down.

After your Mac shuts down, press and hold its power button for 10 seconds.

Release the power button, then wait a few seconds.

Press the power button again to turn on your Mac.

If that did not solve the issue, move on to Step 2

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