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オリジナル投稿者: mayer ,


This looks like a classic GPU failure.  Please check your model number and give us the last three figures of your serial number for positive identification.  This issue has mainly been seen with the Nvidia 8600 GPU and Apple has been giving free logic board replacements but it was not on the A1211 models.  So please check and let us know.  Also hook it up to an external monitor and see if the problem persists and tell us.