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  1. #1
    RAM install question
    Hi. I have a brand new 2017 IMAC 3.8 27" and have not even powered it on yet. I have purchased 64G of Crucial RAM to remove the current 8G RAM in the machine and replace it with the 64G. My question is should I install the new RAM before I boot it up initially or boot it up with its factory RAM first or does it even matter?

  2. #2
    RAM install question
    MacInWin's Avatar
    Member Since
    Jan 01, 2009
    Location
    Winchester, VA
    Posts
    4,948
    Your Mac's Specs
    MBP 15" Mid 2015, iPhone XS, an iMac, plus ATVs, AWatch, MacMini
    Congratulations on the new machine. It shouldn't matter, but I would boot it first into the factory configuration, set it up and make sure it's all working properly before I swapped out the memory. That way, if there is any issue, all I would have to do is pack it back up and call Apple to send a replacement. Once I knew it is ok, I'd put in the new memory and do some memory testing and call it done.
    Last edited by MacInWin; 11-28-2018 at 09:47 PM.
    Jake

  3. #3
    RAM install question
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, US
    Posts
    5,350
    Your Mac's Specs
    L2014 Mac mini macOS Mojave, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    I agree with Jake. Test it out with the original ram first.
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

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