How can I erase all volumes on System SSD, clean it completely and reinstall Mac OS Hight Sierra?
MBP 15-inch, 2017
2,8 GHz Intel Core i7
Some dais ago started to become very lazy.
MacBook Pro 15″, 10.13
Please see: Erase and reinstall macOS - Apple Support
&
Particular to Erase a volume using Disk Utility on Mac - Apple Support
Hope it helps.
Please see: Erase and reinstall macOS - Apple Support
&
Particular to Erase a volume using Disk Utility on Mac - Apple Support
Hope it helps.
Please go through this: How to get old versions of macOS - Apple Support.
Note: Use safari to download the link from the article.
The internet offered me Mac OS Sierra, I downloaded it, but I need Hight Sierra. How can I upgrade to High Sierra?
How can I erase all volumes on System SSD, clean it completely and reinstall Mac OS Hight Sierra?
