instaling OS on macbook air prob

Discussion in 'MacBook Air' started by tozbeka, Oct 18, 2012.

  1. tozbeka macrumors newbie

    Oct 18, 2012
    hello friends im new to this site trng to get help i have change harddisk on my macbook air and when i tryng to instal macos x lion giving error says COULDNOT VALIDITATE SOURCE - INVALID ARGUMENT pls somebdy help me am stuck here and im attach screenshot down here

    Attached Files:

  2. charlieegan3 macrumors 68020


    Feb 16, 2012
    is this in disk utility on the OS or from the OS setup tools?

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