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原帖由: Danny Hartley ,

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I was working on one that did this without dropping it. The display did not show except for a flash when you press the wake/sleep button. I did the bump method on it after some research. It recovered to full bright clear display, then I opened it up and replaced the LCD cable and sealed it with Kapton tape. The cable was probably not bad but it was not expensive so I replaced it anyway.

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