restore original os on apple macbook pro a1286

press leftshift+control_(NOT COMMAND)_option+power Start by resetting all hardware settings i.e your speakers, brightness, audio, everything. Hello there! I had the exact same problem and my solution would be to restart the whole procedure here's what i do. I'm going to attempt to reverse this process because my screen was dimmed to ~50% before I started. If you do this you'll lose the ability to adjust your display's brightness. So far so good, nothing has crashed yet.īUT! A warning to everyone. Did everything with no errors but envidia Graphics card still enable and crashing my computer, any thoughts? Tell them yours were damaged.MacBook Pro 15¨mid 2011 High Sierra. They may sympathize with you and either re-load it for you or give you replacement disks.

I would suggest going by the Apple store and talking to a Genius to see what your options are. To someone not familiar with OS X, this can be very intimidating. Don't do anything in the generic account other than delete the temp account. When you're satisfied with what you've done, create another generic account with admin privileges, then delete the temporary account.Up to you to figure out which ones these are. There may also be some driver specific kexts added by 3rd party utilities in your Systems folder.

This is where it can get tricky because some depend on others for startup functionality, etc so if you don't delete them all the right way, you might have problems. You might also see application specific folders in /Library. Look through the Library folders in folders such as Application Support and Receipts.Use a system cleaning utility such as OnyX to clean up as many system settings as you can.There won't be many because most are user specific. Use an app deleting utility such as TrashMe to catch as many of the app's preferences as you trash them.Create a new temporary user account with Admin privs & delete all of your old ones including the home folders.The best you can do is delete user accounts & home folders and remove any Applications that didn't come with it by default, but chances are you're going to leave behind some traces in your system Library folder at least. You won't be able to get it back to 100% pre-used state without the discs.

Restore original os on apple macbook pro a1286