invalid node structure!

Discussion in 'iMac' started by richard-apples, Jul 26, 2014.

  1. richard-apples macrumors newbie

    Jul 24, 2014
    So recently my iMac G4 17" HD starts doing re-tries for a couple of mins and I run the disk utility and get an Invalid Node Structure error.

    AHT showed no faults.

    I have read that this is essentially a terminal hardware fault.

    In the past I have 100% recovered the data from dead pc HDD's by replacing the pcb on the disk with an identical one (needs to have the same SW checksum).

    Does anyone know if this disk failure is in the drive platter/heads or in the drive electronics?
  2. Intell macrumors P6


    Jan 24, 2010
    It's possible that the file system is corrupt. A simple erase and restore should correct that.

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