Resetting the PRAM/NVRAM on your Mac sets the hard drive as the startup disk and restores the default hardware settings. Plus, you need to disconnect all speakers, dongles, drives, external displays, and keyboards so that nothing will interfere with the resetting process. You can back them up to an external drive or a USB key.
Resetting your Mac should be a last resort when troubleshooting options such as rebooting and other tricks to speed up a slow computer fail.īefore you can reset the PRAM and SMC on your Mac, have a recent backup of all your critical stuff.
Such issues include but aren’t limited to:
