Should You Upgrade macOS?
Upgrading macOS on your CAS supported Mac can be a great way to refresh performance on aging hardware. Additionally, later versions of macOS are typically safer from malware and other cyber threats than previous versions.
Most Mac's that are less than 6 years old are capable of running the latest supported version of macOS, the primary requirements being a minimum of 2 GB RAM and at least 10 GB of available hard drive space.
If you use any specialized applications, you may want to check that they are supported on the new version of macOS. In rare cases some applications cannot run on newer operating systems, the application manufacturers' website should identify compatible macOS versions.
Keep in mind, CAS may not be able to support the latest version of macOS, check our website to see what versions are widely supported.
How To Upgrade
Let CAS Perform the Upgrade
CAS can facilitate upgrading your Mac, typically, within 2-3 business days. This allows us to ensure your data is backed up and perform some quality assurance before you pick your machine back up. If you have large amounts of data and/or the machine is encrypted, it may require additional time to complete.
The upgrade process typically looks like this:
- User arranges delivery of the computer to CAS (call x4498 or email your building tech, your departmental AA can also tell you who that is)
- User informs CAS of which applications are most frequently used on this system
- CAS Decrypts the hard drive (if necessary)
- CAS performs a back up of the entire Hard drive
- CAS upgrades macOS
- CAS updates any standard applications on the system
- CAS re-encrypts the hard disk (required for laptops)
- CAS notifies the user that the upgrade is complete
- User visits CAS to verify their machine performs as expected
- CAS restores user data from backup
- User accepts system back
If you prefer, it it is also possible for you to perform the upgrade yourself. The upgrade makes significant changes to your machine, but leaves your data alone, in most cases this results in an upgraded system that you can start using right away. However, CAS recommends that you have a backup of your data just in case an error occurs during the upgrade.
The following methods can be used to upgrade your macOS to a newer version:
- If you have administrative privileges to your machine, you can upgrade via the Apple App store, which will always install the most current version of macOS available.
- CAS provides the latest supported OS installer via Self Service which can be ran by any user.