I can't read previous Time Machine backup drive

Discussion in 'Mac Basics and Help' started by tommyhawk, Feb 26, 2009.

  1. tommyhawk macrumors newbie

    Feb 26, 2009
    I filled up a 250gb My Book external drive using Time Machine. Replaced it with 500gb My Book and now can't read the old 250gb one when I reconnect it. My iMac doesn't recognize it. (I lost a large picture folder that is now only on the 250gb drive).
    Any ideas?
  2. JediMeister macrumors 68040

    Oct 9, 2008
    Try another port, test with another USB/FireWire Device. See if the hard drive is receiving power correctly if its externally powered or powered through the USB 2.0 connection. Reset the SMC, try with another computer.

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