How to upgrade the system on an old version of Mac

How to upgrade the system on an old version of mac?

Search for macOS Mojave in the search bar of the Mac App Store, click Download, check "Download available updates" in Advanced, and follow the prompts to download and install to complete the system upgrade. Mac computers support the upgrade.

# Of course, if you want to reinstall macOS after formatting, it is also very simple. You only need a USB flash drive of 8G or more. Remember to back up the data in advance.

Find "Tools" -> Disk Utility in the application in Finder, and "erase" (format) the U disk into "Mac OS X Extended (logged)" format.

Also in "Terminal" in the utility, copy and paste the following command. When prompted for password, enter the administrator password and press Enter.

Until the word Done appears, the production is completed. After restarting the computer, hold down the Option key, select the USB flash drive and wait to enter the recovery interface.

After erasing the system disk in Disk Utility, return to the previous interface and select Install macOS Mojave to complete the installation. The entire installation process may take different times depending on the machine model and network speed, so you need to wait patiently.

After my own human testing, it takes about 40 minutes to complete the system upgrade; there is also a small BUG that is the compatibility issue of Word after the system upgrade, which will cause the document to be edited using "Songli" Automatically changing the font to "MS Ming Dynasty" and manually changing the font also have no effect. Upgrading Word to the latest version can solve the problem.

The above is the detailed content of How to upgrade the system on an old version of Mac. For more information, please follow other related articles on the PHP Chinese website!