Resetting the Parameter RAM on Mac

Configurare noua (How To)

Situatie

One easy fix for many issues is to simply reset the parameter RAM to its default state. This will cause some data to be lost, specifically the date, the time, and the startup volume selection. Luckily, you can easily correct these settings using your Mac’s System Preferences.

The steps needed to reset the parameter RAM are the same, regardless of whether your Mac uses NVRAM or PRAM.

Solutie

Pasi de urmat

Shut down your Mac.

Turn your Mac back on.

Immediately press and hold the following keys: command+option+P+R. That’s four keys: the command key, the option key, the letter P, and the letter R. You must press and hold these four keys before you see the gray screen during the startup process.

Continue to hold down the four keys. This is a long process, during which your Mac will restart on its own.

Finally, when you hear the second startup chime, you can release the keys.

Your Mac will finish the startup process.

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