1 Reply Latest reply: Sep 30, 2013 10:28 AM by clintonfrombirmingham
proooo Level 1 Level 1 (0 points)

Hello, hello


After waiting quite a while - I paid the relatively small amount, and got myselves a new OS.

But I am very disappointed of the speed - I see that this also was a problem with OS Lion?


Please assist me. Perhaps others have this problem as well?

Some info:


- 2,66 GHz Intel Core i7 processor

- 4 GB 1067 MHz DDR3



- Sometimes I run the Parallels Desktop 6 and 9 software, does this affect specs of the new OS?


Hope to hear from you guys.




  • 1. Re: Why is my MacBook Pro very slow after installing Mountain Lion 10.8.5. - Solutions?
    clintonfrombirmingham Level 7 Level 7 (28,655 points)

    With only 4GB of RAM, how much do you have devoted to the virtual machine running under Parallels? Even if it's a small amount, it's going to make page outs and swaps used very high. From my perspective, 8GB of RAM is the 'sweet spot' for running Mountain Lion.


    I'm assuming that you've a 15" mid-2010 MacBook Pro? If so, you can speed things up by installing the maximum 8GB of RAM. Go RAM shopping at Crucial or OWC.


    Other than upgrading your RAM, the only thing that you can do to speed up your machine is to install a SSD. You can also check the SSDs at Crucial and OWC and decide if one is right for you.