Pielord Miniman
Level 1 (0 points)

Q: Problems Booting From USB

I have a 16gb USB with the Snow Leopard install disk on it. it is all formatted properly with everything done correctly (Checked this like 5 times already, with 2 different USB's). both of these just give me a white screen with the apple logo, I let it sit for about half an hour each time and still nothing.

 

I also used the mountian lion install and put that on the usb jut to check if it was the install, that booted but i just ended up with the base system screen not the install.

 

P.S. I need this so i can install snow leopard onto a USB and run it from that USB like a seperate computer so alternitavely if anyone has a way to run the snow leopard installer on mountian lion so i can install it onto the USB that would be even better

 

Thanks in advance

MacBook Pro (Retina, Mid 2012), OS X Mountain Lion (10.8.3)

Posted on May 25, 2013 2:45 AM

by LowLuster,Solvedanswer
LowLuster LowLuster
Level 6 (12,074 points)
A:

You can not use a mid 2012 model to boot snow leopard. It won't do it. To start a mac from any dirve it must have a version of os x that will actually work on that model. Snow leopard will not work on that model so it won't boot from any drive that has snow leopard on it in any form. Doesn't matter if it is just the installer for snow leopard it is still snow leopard and will not work on a mid 2012 model.

Posted on May 25, 2013 3:31 AM

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Pielord Miniman

Q: Problems Booting From USB

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  • by LowLuster,

    LowLuster LowLuster Jul 21, 2013 1:18 PM in response to apple-owner
    Level 6 (12,074 points)
    Jul 21, 2013 1:18 PM in response to apple-owner

    You CAN NOT boot a Mac from a Disk Image. You have to Restore that image to a drive/disc of some type, USB thumb, standard HDD or DVD disc.

     

    You can restore that image to a thumb or standard drive or to a DVD disc if you have a external DVD drive on your Retina.

  • by Grant Bennet-Alder,

    Grant Bennet-Alder Grant Bennet-Alder Jul 21, 2013 3:32 PM in response to LowLuster
    Level 9 (60,931 points)
    Desktops
    Jul 21, 2013 3:32 PM in response to LowLuster

    According to the chart, you will need a minimum of build 10D2063a. My Full retail 10.6.3 DVD contains Build 10D575, so that falls short.

  • by apple-owner,

    apple-owner apple-owner Jul 21, 2013 7:32 PM in response to LowLuster
    Level 1 (0 points)
    Jul 21, 2013 7:32 PM in response to LowLuster

    I'm not booting from a DMG. I've created bootable USB sticks and bootable external HDDs. Sorry if I confused you, I'm not sure how to express myself more clearly.

     

    Interesting tip to make sure the build is at least 10D2063a. Thanks for that; I hadn't clued in on it. Sounds like my only recourse, in that case, will be to call Apple and pay for the machine-specific system disc to be sent. It appears to be the only way out of the woods. Cheers!

  • by apple-owner,

    apple-owner apple-owner Jul 22, 2013 9:13 PM in response to apple-owner
    Level 1 (0 points)
    Jul 22, 2013 9:13 PM in response to apple-owner

    For posterity: I tried a retail 10.7 Lion bootable USB. When booting the mid-2010 MBP i7, I pressed option and the USB was recognized as a bootable volume. Selecting it results in the "No Entry"/Prohibited symbole (a circle with slash). I'm unable to install 10.7 even though it is a later build than required for my laptop.

     

    Resetting SMC doesn't help. Command+R is of no use. Can't get there from here.

  • by Grant Bennet-Alder,

    Grant Bennet-Alder Grant Bennet-Alder Jul 23, 2013 7:45 AM in response to apple-owner
    Level 9 (60,931 points)
    Desktops
    Jul 23, 2013 7:45 AM in response to apple-owner

    This must be a version of 10.7 that you purchased, not just a re-download of a version for a Mac that shipped with 10.7.

     

     

     

    TS2570-Gray screen or prohibitory sign appears during startup

  • by apple-owner,

    apple-owner apple-owner Aug 4, 2013 10:50 AM in response to apple-owner
    Level 1 (0 points)
    Aug 4, 2013 10:50 AM in response to apple-owner

    Confirming for posterity: Ordering the system recovery disk from Apple with a special build of 10.6.3 (post-retail 10.6.3, but pre-10.6.4) was the only way to install OS X. If you're in the same boat I was in, trust me that I tried it all before throwing in the towel and paying $17 + shipping for the device-specific DVD from Apple.

     

    Thank you to all who helped and responded. Much appreciated, folks!

  • by 4HZO,

    4HZO 4HZO Feb 18, 2014 1:01 PM in response to Pielord Miniman
    Level 1 (0 points)
    Feb 18, 2014 1:01 PM in response to Pielord Miniman

    I have an Macbook pro 13" white mid 2008 and i cant find my osx disc #2 to complete the osx installation.

    Also, can I upgrade to Mavericks osx!

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