Hi Guys,
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- History Of Mac OS Mac OS is an operating system of Apple computer Mactonish series, (computers and workstations) having a graphical user interface which is only developed and maintained by Apple engineers themselves. Apple developed the whole system including Kernal, desktop environment and pre-installed software.
- MacOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy.
- Mac OS X is a computer OS that uses Unix-based graphical interface. It is developed and marketed by Apple, One of the world's most popular companies. Mac OS X is designed only to run on Macintosh devices and computers.
Here is a challenging one... I wanted to install macOS Sierra, but for some directory and SSD issues, it refuses to install it, it tells me that there are some issues and can't install it and ask me to chose a start disk or restart... I can't chose the SSD macintosh (D:), but I can for the HD Boot Camp Windows 10 (C:), and when I am restarting it launches the macOS Sierra Installation wizard... Anyone knows how to abort the macOS Sierra Installation and how to I go back to macOS El Captain...
Hardware:
MacBook Pro Mid-2012
Intel i7
2,9 Ghz
16 Gb or Ram
2 Drives with 2 different operating systems (running Boot Camp 6)
- SSD 1Tb running Mac El Captain on Machintosh HD (D:)
- HDD 750 Gb running Windows 10 Pro on Boot Camp (C:)
N.B.: the HDD with Win10 is located in the original drive location and SSD is located instead of the optical drive in an optical bay SATA HD enclosure.
Running extremely fast and well on the SSD MacOS El Captain (even better then the new Mac Air, MacBook Pro Retina, flash SSD...), but a bit slower on the HDD Win10 but that's normal…
I have downloaded Mac OS Sierra and started the upgrade to Mac OS Sierra… it starts then stocked and cannot install it… I remember having the same issue with the upgrade from Yosemite to El Captain, brought to a Mac
Genius and sorted it out by swopping the place of the HDD and SSD…
I have tried everything, there is apparently an issue with the directory, severely damaged can't repair, blablabla… spare you the details I rebooted on the recovery and launched DW (Disk Warrior) tried to fix it but failed… it works on it, rebuilds it, but cannot replace the directory consequently I am stocked and DW tells me to make a backup format the drive and then reinstall… Funnily I am on the HDD on the Win10 Boot Camp, and I can access the D: drive SSD Mac OS and see and access everything even open files Mac files such as docx, xls, pdf… on Win10
Well the issue is that I am not in a modern country, I'm in Africa and where I am no Apple Shop, the nearest one is 900 miles away in Nairobi… And I've got a lot of work at the moment and can't afford to lose days without my MacBook Pro... So maybe someone has an idea how to resolve it and up to the challenge...
Looking forward hearing from you guys…
Thanks,
MacBook Pro (13-inch Mid 2012), OS X El Capitan (10.11.6), Windows 10 - Boot Camp 6
Posted on Sep 20, 2016 5:44 PM
Lesson 1: All About macOS
What is macOS?
macOS is an operating system designed by Apple. The operating system is what allows you to use a computer. macOS comes preloaded on all new Apple Macintosh computers (commonly known as Macs).
macOS makes it possible to complete all kinds of everyday tasks on your computer. For example, you can use it to browse the Internet, check your email, edit digital photos, listen to music, and play games.
macOS is also used in some offices because it gives you access to productivity tools such as calendars, word processors, and spreadsheets.
Earlier versions of macOS have been around since the mid-1980s. There have been many versions since then, but the most recent ones include macOS Mojave (2018), HighSierra (2017), Sierra (2016). El Capitan (2015), and Yosemite (2014).
In some older versions, macOS was called OS X (pronounced O-S ten). However, many people use the terms OS X and macOS interchangeably because the basic functionality of the operating system is still very similar.
Macintosh
/en/macosbasics/navigating-macos/content/
