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Tune-up a MacOS Device: Difference between revisions
→General Maintenance Tips
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*[https://support.apple.com/en-us/HT204063 Zap the PRAM] (also called NVRAM) | *[https://support.apple.com/en-us/HT204063 Zap the PRAM] (also called NVRAM) | ||
** For M version Macs: Shut down the computer. Leave it off for several seconds and the M chip is supposed to detect if there's anything wrong and reset it. Then power it back on. There is no actual keyboard command to reset it anymore. | ** For M version Macs: Shut down the computer. Leave it off for several seconds and the M chip is supposed to detect if there's anything wrong and reset it. Then power it back on. There is no actual keyboard command to reset it anymore. | ||
** Reboot, then hold command-option-P-R until you hear the chime twice | ** Reboot, then hold '''command-option-P-R''' until you hear the chime twice | ||
* Boot into [https://support.apple.com/en-us/HT201262 Safe Mode] by holding '''Shift''' during the startup chime | * Boot into [https://support.apple.com/en-us/HT201262 Safe Mode] by holding '''Shift''' during the startup chime | ||
** This will clear the Mac's cache files; just log in (twice if you have FileVault turned on), and then restart once more | ** This will clear the Mac's cache files; just log in (twice if you have FileVault turned on), and then restart once more | ||