single user mode display identification command needed

Discussion in 'Mac Programming' started by retinalcircus, Jul 14, 2012.

  1. macrumors newbie

    Jul 14, 2012

    Thanks in advance for any help on this issue.

    I have swapped displays between two MacBook 1,1 computers. (One had a display that was cracked and the other had a dead motherboard). Now I can only boot into single user mode (command-S while starting up). The recipient of the new screen gives errors like: "GFX0: family specific matching fails" and "display: family specific matching fails"

    I need a command to use from single user mode to identify the transplanted display's identity.

    Then I plan to modify the EFI so that it is again happy with the new display.

    Anyone know the code for display identification?

    Thanks again.


    I found this command via google

    ioreg -lw0 | grep IODisplayEDID | sed "/[^<]*</s///" | xxd -p -r | strings -6

    but it only works from the terminal, which I can't get to. I can only access the command line via single user mode.

    So, I need different information...

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