One of my clients is having a problem with her iBook. She says her screen is shaking. She doesn't seem to want to pay me to go take a look at it so I've been trying to diagnose it over email. I've done my best here, but she also has significant problem communicating in general via email. Her message quite often don't make sense, missing words, half thoughts, etc. So she says it shakes. I asked her if it was more of a flickering on and off or an actually shaking as in a moving up and down/left and right. Originally she confirmed it was a shaking. Then she added more here:
the screen will shaking horizontally and on and off like...never losing the full image but somewhat blinking
I asked her to move the screen angle around when it was happening to see if the angle had any effect on this problem. She said it did not. I'm thinking either Power Inverter or the Backlight itself (which would mean a new LCD, right? I think if the light was flashing on and off, that could easily give the illusion of an image that was moving, or 'shaking'.
Now when she first emailed me with this problem, she was concerned that it has something to do with my last repair on the machine. This was, she had melted the back of the screen case on a candle. I popped it off and popped a new one on. I don't believe I came in contact with any electronics at all. So I highly doubt this had anything to do with my repair, though of course the candle itself could have easily damaged the LCD. There were no visible signs of damage but who knows.
Now every backlight issue I've ever seen was in fact the inverter board that powers the backlight, and not the backlight itself. Do backlights EVER fail?
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