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install 32-bits or 64-bits on old macbook

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  • Avatar
    Forrest Smith

    Lorenzo - 

     

    Core 2 Duo (emphasis on the 2) are 64-bit capable, so go with 64-bit!

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    lorenzo fraga

    how can i install 64-bits version if i have installed the 32-bits as main OS? which commands i need to use on boot?

  • Avatar
    Forrest Smith

    Lorenzo - 

     

    You need to re-download the 64-bit image from http://neverware.com/freedownload, remake your installer stick, and then install as you originally did. There's no way to upgrade without reinstalling unforutnately.

     

    Good luck!

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    lorenzo fraga

    i tried but when i boot and press option key on mac nothing happens, any other solution?

  • Avatar
    Forrest Smith

    Hi - 


    Are you using the same USB as before?

     

    Have you reset the NVRAM?

     

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    lorenzo fraga

    Same usb, in the first installation i couldn't install using option so i used rEFIt. How reset NVRAM?

  • Avatar
    Forrest Smith

    https://neverware.zendesk.com/hc/en-us/articles/215497547-Apple-Issues-Try-Clearing-NVRAM-PRAM

     

    Retry the option key boot once you've done that. If that doesn't work I'd recommend using rEFIt again.

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    lorenzo fraga

    but cloudready 32-bits is my main OS now, how i install rEFIt?

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    Forrest Smith

    I think I was confused - it sounds like rEFIt only runs inside of OSX  so you can't use it. 

     

    You may be able to use PLOP to boot from USB if you make a PLOP CD (our knowledge base has a help article with a link to download that.) 

  • Avatar
    Joe Sardo

    thanks for this thread, guys. very helpful. 

     

    Question Lorenzo: Did you end up re-installing the 64 bit version of the OS? Can you tell a difference in performance at all ?

     

    I am currently running the same computer you are (macbook intel core 2 duo 2.0 GHz 64-bits processor) with the 32-bit chrome OS. I think the confusion came (for me at least) is that the "CloudRead Certified Hardware" PDF specifically stated that the Macbook 2,1 should only be installed with the 32-bit system. 

  • Avatar
    Joe Sardo

    @ Forest, question for you. My Macbook (still in it's original configuartion from the factory (2006) still has only 1 GB of RAM. Long story, but through some research, I've found the maximum that this particular processor could utilize is 3GB ram. I've ordered my additional RAM, so I should have 3GB installed later this week.

     

    I'm guessing, that with a max of 3GB RAM, it would most likely not be worth the time/trouble to re-install with the 64 bit OS. Is that correct ?

  • Avatar
    Forrest Smith

    Hi Joe,

     

    32-bit is safer on that macbook because the age of the machine sometimes causes freezing, in our experience, on 64-bit.

     

    3 GB won't make 64-bit work any faster than 32-bit, but you might want 64-bit anyways (if you don't experience freezing) so that you can use apps like VLC which require 64-bit.

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