Some earlier PowerBook G4 computers that have a SuperDrive with a 1x or a 2x DVD-R write speed may not be able to burn 8x DVD-R media reliably. Because of this, you should only use 2x or 4x DVD-R media.Not sure what kind of SuperDrive you have in your PowerBook? Just do this: From the Apple menu, choose About This Mac. Click the More Info button to open Systen Profiler. In the resulting window, select
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