Powerbook ....Combo CW-8123-C problem

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Joined: Oct 1 2008
Posts: 1


I just bought a used Powerbook G4 12inch....the combo CW-8123-C drive was not install in to it....so i opened it up and install the combo drive in to it.....but when i start my Powerbook it doesn't boot up it stop at the Apple Logo and the spinning gear....