Jul 19, 2017 The macOS Sierra 10.12.6 Update improves the security, stability, and compatibility of your Mac, and is recommended for all users. Enterprise content: Resolves an issue that prevents making certain SMB connections from the Finder. Install Combo Updater Download OS X El Capitan 10.11.6 Combo Update or Download macOS Sierra 10.12.5 Combo Update and install. Reinstall OS X by booting from the Recovery HD using the Command and R keys. When the Utility Menu appears select Reinstall OS X then click on the Continue button. Erase and Install OS X Restart the computer.
How to create a bootable MacOS USB. From Linux you can read and write Apple-compatible HFS+ disk images. By creating an El Capitan recovery disc, you can then create an installation disc, and then access the App Store for other free installers, such as Catalina and Mojave. Once your older Mac OS X CD or DVD is in your hand, set aside some time with Disk Utility and some blank CD-Rs, DVD-Rs, or, in the case of the Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard. Startup 9.2.1 repairs problems that may occur when Mac OS 9.1 and Mac OS X are on the same partition and a version earlier than Startup 9.2 has been used. Operating system installer originally shipped with an iMac. Mac OS version 10.6.2 Disc version 1.0 2Z691-6590-A. Macbook os x install disc. Global Nav Open Menu Global Nav Close Menu; Apple; Shopping Bag +.
I've updated the MacBook Air, from early 2015, to the version 10.12.6. It seemingly went well as usual, downloaded the update and restarted the MBA. The system updated and once logged in, I opened the 'About this Mac' to verify. The overview shows this:
Just to be on the safe side, click on 'Software Update' to make sure that there is no other update left. The update window shows this:
Confused is an understatement.. The 10.12.6 version is an available update and the same version had been installed as well. Thinking that maybe some of the updates did not install, click on the 'Update' again. The result is like the first time, download the update, reboot and update the system. Once logged in, the end result is also the same as shown in the second picture; version 10.12.6 is available for updating. Questions.. Was the update actually applied for this MBA? If it was, how to make macOS understand that the version 10.12.6 had been installed already? TIA.. PS: I've updated three MacBook Pros with the same version, where the prior version was the same as on the MBA. They did not have this issue..