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オリジナル投稿者: mayer ,

テキスト:

You really need an external monitor to diagnose this.  There are diagnostics light to the bottom right of the RAM slot on the logic board.  Sometimes they have a small piece of black electrical tape over them on this model.  What are they showing on boot up? I've also found bad caps on the back of the logic board on this model.(but that's for later)

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