Backing up to external USB drive

Discussion in 'MacBook Pro' started by BLOND37, Jun 10, 2012.

  1. BLOND37 macrumors 6502a

    Mar 1, 2008
    trying really hard not to lose my cool over this.. have a MBP running lion blah blah got all updates blah blah.. had time machine running great then i did something and messed it up.. now all it does is wants to back up the back up drive to itself and won't let me change it. i want to back up my mac HD to the external usb drive like i had it before.
  2. Ccrew macrumors 68020

    Feb 28, 2011
    Make sure the external is formatted HFS+, Select Preferences in Time Machine and point it to the external drive. If that doesn't work try less blah blah and more specifics so people can help.

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