I have been using my Mac for nearly two years, my problem is my Mac is running very slow after upgrading Mac OS X 10.7 Lion. The issue happens frequently after I open a few applications like PhotoShop etc. Sometimes it freezes for quite a few seconds and my iMac become unresponsive. I am wondering what should I do to speed up Mac OS X 10.7 Lion? I’ve already checked my hardware, it’s very advanced and should not be the problem.

You mention that your Mac OS X Lion is running slow after a few apps are opened, then there are a few things you can check and figure out what might be consuming your Mac resources. Note: the below tips are also compatible with OS X 10.8 Mountain Lion.

  • Check your Login Items under System Preferences > Accounts to see what you have automatically launching.Also check /Library/LaunchAgents/ and /Users/yourusername/Library/LaunchAgents/ for items launching at startup.
  • Launch Activity Monitor and change “My Processes” at the top to “All Processes”. Then see what may be eating up your OS X system resources.
  • Check if you are running any poor Mac anti-virus programs as they may take large Mac system resources.

Meanwhile, the most common reason for a sluggish or running slow Mac is useless files that clutter its hard drive, resulting in slow performance. In this case installing appropriate Mac speed up software may help a lot.

MacKeeper – a universal system utility for Mac OS X. It contains a set of effective hard drive clean-up utilities designed to clean up Mac disk by removing unwanted files and Mac applications. The software suite will make you forget about the Mac Lion performance issues. It is fully compatible with iMac or MacBook running with OS X 10.7 Lion. Just install it on your slow Mac (running under OS X Lion) and let it have a free scan to diagnose the system, and then resolve all hidden problems easily.

Download MacKeeper to Speed up Your Mac

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3 Responses to What Should I Do to Speed up My Running Slow Mac OS X 10.7 Lion?

  1. Gary B says:

    Thank you very much for the great tips for we Mac users!

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  3. Mac Lion speeding says:

    Thanks a lot for the great resouces about speeding up my MacBook running with OS X 10.7 Lion.

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