![]() ![]() ![]() When you hear the second start-up tone (or, on a Mac Pro, see a second Apple logo appear and disappear), you can release the keys and let the computer finish its start-up sequence. You can reset the NVRAM or PRAM by shutting down the Mac and then starting it up again while holding down the Option, Command, P and R keys all at once. If the Mac is not maintaining its settings for volume level, display resolution, time-zone information or preferred start-up disk, information held in the NVRAM may have become corrupt. ![]() Modern Macs also store some settings in an area of the system called the nonvolatile random access memory (NVRAM) older Macs use parameter random-access memory (PRAM) in a similar manner. might fix erratic Mac behavior, although it will not help with a damaged power supply or another major hardware problem. (You may also have to redo any preferences for your display and power-management settings.) While performing a reset does not generate an alert box or notification, you can tell if you were successful if the odd Mac behavior stops. The guide also lists a series of things you should try before resetting the S.M.C. During installation, your Mac might restart and show a progress bar several times, and the screen might be. reset process for all its Intel-based Macs, including those with removable batteries and desktop models. Release the keys when you see an Apple logo. Appleās support site has a full guide to the S.M.C. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |