Activity Monitor can be accessed through the Utilities folder. Open Activity Monitor to check the memory usage of all process and apps currently running on your Mac. Possibly, some system issues can be caused by an app running in the background which is not optimized for OS X Lion. However, repairing disk permissions does make a change for OS X Lion, and as reported by many users, it may help to fix a number of issues.

One shouldn’t expect this action to become a solution to an extended range of problems in Mac’s performance. Suitability of repairing disk permissions has been a debatable issue for a long while. The experience of many users says that for the proper work of this OS X you need at least 4GB of RAM. Keep in mind that 2GB of RAM is the very basic minimum. Your device needs to have at least 2GB of RAM and one of these processors: Intel Core 2 Duo, Core i3/i5/i7 or Xeon processor. Obvious as it is, first you should make sure that your Mac’s system meets the minimum requirements of the OS X Lion. In this article, we offer a chart of what we believe to be the most effective and helpful tips to help you boost the performance of Mac running on OS X Lion. Probably, the main problem about OS X Lion is performance issues: the OS may cause frequent slowdowns and even freezes. But as long as at least a small number of users will keep Lion as their OS, there will be the need for expert’s advice and feedback. We won’t deny that OS X Lion is far from perfect and has certain drawbacks.

Since its release in 2011 OS X Lion has been succeeded by six other OS’s, including macOS High Sierra which was released just around a month ago. However, it’s understandable that not all users are running their Macs on the latest OS many still stick to the older versions. If you compare some f the older operating systems such as OS X Jaguar or OS X Tiger to the most recent ones macOS Sierra and High Sierra, you’ll notice drastic changes. We all know that Apple works hard to bring major improvements to each of their new macOS’s.

Lion os x minimum requirements