how to update macbook air 2011 to high sierra

Next we are going to move only One offending kext out of the way. Mount -uw / or (/sbin/mount -uw /)Īnd make a kext-backup directory. You should see white text on black screen. On startup as soon as you see a white screen hold (Command+S) Into terminal type the following csrutil disable At the top you will see a tab called _Utilities._from that click terminal So after you get into recover mode your going to have to select language and than procede. You might have to hold it for 5+ minutes it depends how badly your GPU is damaged. Now type reboot and when you see the white screen hold command+r Now force shutdown by holding power and restart into single user mode (Cmd+s)* Now everything is reset (Dont worry you wont lose any files) than press Cmd+Option+p+r wait for two chimes. 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? With its “Junk Files” feature, it not only cleans temporary files including logs, mail caches, iTunes, and iOS temporary files, and empties trash for the current user, but also detects remaining files after deleting apps.MacBook Pro 15¨mid 2011 High Sierra. It’s really great to have such a system optimizing tool. I must tell you there is a savior for your Mac – Cleaner One Pro.

There are also probably many apps you have never used and don’t need anymore. Let’s say someday your Mac has a lot of junk files and duplicate photos. I believe you also want to keep your Mac clean. If you have done a complete installation of macOS, you must be enjoying the completely new macOS now. Click “Install” and wait until the upgrade is done Agree to the software terms and conditions. When the installation window appears, click “Continue” again. When it returns to the former page, insert your USB and click “Continue”. Select “Mac OS Extended (Journaled)” from the list of volume formats and start formatting.į. Open “Disk Utility”, choose your startup disk, and then click “Erase”.Į. Press and hold “Command+R” when you hear a startup ring (or when the screen on your newer Mac device turns black), and hold down the keys until your computer restarts.ĭ.

How to update macbook air 2011 to high sierra