El Capitan will be much slower to start up for most 10.7/10.8/10.9 users.If you have a Bootcamp partition on your computer, we recommend that you contact us to do the upgrade to avoid potential problems.The installation takes time–an hour or more on wireless is not unusual–and cannot be interrupted without potentially damaging your file system.If you need help with this, set up an appointment by contacting the IT Help Desk. Fully backup your system (Time Machine is a great option) before upgrading your computer.If you are running OS X 10.6 (Snow Leopard) or earlier you should probably not upgrade even if you meet the minimum requirements the likelihood is that your computer is old enough and slow enough that it would be a painful experience.

OS X 10.6 Users Should Probably not Upgrade You can find out how much memory you have by checking Apple Menu/About this Mac. However, we strongly discourage anyone who has less than 4 GB of memory from upgrading–this differs from Apple’s recommendation but our experience has shown us that it is frustratingly slow to use on a 2GB computer. …you meet the system requirements defined by Apple at. You May Upgrade if You are Running 10.7 or Higher and… This means that any access points we have adjusted to support Yosemite will be returned to their former state. We will stop making special accommodations to support Yosemite wireless connections as of December 1, 2015. Yosemite contains bugs that make it impossible for us to provide wireless access for it everywhere on campus upgrading to El Capitan appears to fix those problems.

We Recommend You Upgrade if You Have Yosemite and Wireless ProblemsĪfter several weeks of testing we have found no significant problems with El Capitan, and a big improvement in its wireless performance compared to the previous system 10.10 (Yosemite). To find out what version of the system you’re running, select “About this Mac” from the Apple menu. Please read through all the caveats and instructions if you are planning to upgrade. We have been testing Apple’s latest operating system for Mac’s, and have recommendations for upgrading.

Upgrade from snow leopard to el capitan