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ram replacement

  1. sibby

    early 2009 iMac upgrade advice?

    Hi folks, I'm new to this forum, and have very limited experience with upgrading computers, with the exception of RAM and battery replacements. I own an early 2009 20-inch iMac, 2.66 GHz Intel Core Duo, running OS X 10.9.5. I upgraded the RAM two years ago to 4 GB (1067 MHz DDR3). As one might...
  2. C

    Testing Ram adequacy

    Hi, What is a good way of testing if you should increase the RAM capacity on your mac? Just run multiple high demand applications and once and test the speed? Or is there a more professional or technical approach? Please let me know as soon as you can! Thank you.
  3. jgelin

    Replacing RAM in 2010 MBP

    Hello all, I have a friend whose computer was running slow. She brought it over and it is a Macbook Pro 7,1 2.4Ghz processor running 10.10.5. It had 4GB of RAM installed in it, but was only recognizing 2GB from one chip. I replaced with a known good 4GB chip for a total of 6GB but the bank would...