NVRAM
NRAM or PRAM stores essential Mac settings relating to volume, screen resolution, time zone information and even which hard drive to boot from. Resetting it can be a reliable method of fixing issues related to these settings.
NRAM or PRAM stores essential Mac settings relating to volume, screen resolution, time zone information and even which hard drive to boot from. Resetting it can be a reliable method of fixing issues related to these settings.