Should I use USB installer for non-clean install?

Discussion in 'Mac OS X Lion (10.7)' started by ks-man, Jul 21, 2011.

  1. ks-man macrumors 6502a

    Sep 25, 2007
    I created a USB boot drive to Clean Install my iMac with Lion. Everything worked great. I'm now going to install Lion on my MBA which I don't plan on Clean Installing. Should I re-download it from the App Store and install it that way or should I just use my USB drive to install Lion without Clean install?

    I'd imagine I can just use the USB key but wanted to make sure first. Assuming I do use the USB drive should I boot off it or just run the installer from the drive?
  2. SandboxGeneral Moderator emeritus


    Sep 8, 2010
    Orbiting a G-type Main Sequence Star
    If you can get it to work off the USB drive, that will save you the download time. That's really the only benefit that I can see by doing that way - if it works of course.

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