Resetting the NVRAM, PRAM, and SMC on Intel Macs If you own older Mac computers not powered by Apple’s new M1 processors but perhaps Intel CPUs.

Reset the NVRAM: restart the MacBook, then press Option + Command + P + R for about 20 seconds immediately once the device turns on.

7. Reset NVRAM Apple recommends you to rest the NVRAM (non-volatile random-access memory) of your Mac before you sell or give it away. To reset the NVRAM, first shut down your Mac.

Resetting NVRAM for sleep problems Several readers have successfully solved sleep issues that were introduced with the Mac OS X 10.2.4 update (generally inability to fall into or wake up from ...

Resetting these chips can sometimes fix performance problems. To reset NVRAM, restart your MacBook Air and hold down the Command + Option + P + R keys until you hear the startup chime a second time.

According to Apple, you can reset the NVRAM by shutting down your Mac and turning it on while holding Option, Command, P, and R keyboard shortcut, then releasing it for 20 seconds.

Last week, I offered a handful of quick and easy techniques for troubleshooting a wonky Mac, including restarting, rebooting into safe mode, running Disk Utility’s First Aid, resetting NVRAM or ...

If you're using a PowerBook or iBook, Apple recommends resetting the Power Manager in such situations; however, apart from a few Knoweldge Base references to older Power Mac G4 computers, Apple ...

Then turn your Mac on. If the issue persists, reset the SMC as described for notebook computers with a nonremovable battery. If the issue persists, reset NVRAM or PRAM.