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  1. #1

    Member Since
    Apr 16, 2006
    New Alu Imac can not enter Target Disk mode/Hardware test mode ....
    Hi all

    I am using new Alumium imac 20" with the new alumiun USB keyboard.
    I found that
    my imac can not enter FireWire Target Disk mode when
    I Press T during startup. It just enter the Mac OX directly.

    my imac can not enter mode when
    I Press D during startup.It also jump to the Mac OX directly.
    (I have already insert the system Disk in the DVD rom)

    Did any brother have the same issue on your new alumiun Imac 20"


  2. #2

    Member Since
    Aug 04, 2007
    Check that the firmware is not password protected?
    A new firmware update might help.
    Also, removing and re-adding keyb from USB port sometimes helps.

  3. #3

    Member Since
    Apr 28, 2006
    iMac Core Duo 20", iBook G4, iPhone 8GB :)
    1) Try going to system preferences and then select Startup Disk. and then select Boot in Target Disk Mode. See if it works that way.

    2) As for booting from DVD, I have always used the "C" button on the keyboard. Also the Option key works.

  4. #4

    Member Since
    Apr 16, 2006
    It is work. If I set it to target mode in system perference.

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