Question about Sharp Notevision PG-C45X Multimedia Projector

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The screen is dark all the time, we have tried reforming that didn't work. It says the lamp is fine with plenty of time left. any ideas of why it is so dark? This has just started

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I am not sure what you mean by reforming but have you check your brightness and contrast adjustments.

Posted on Jun 05, 2010

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I would say you either have a damaged inverter board or screen baclight lamp. Usually the inverter board fails in one of the following ways:

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
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Have you tested it with an external monitor?

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1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

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1 Answer

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