Question about Samsung LE40R73BD 40 in. HD-Ready LCD Television

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Screen is two different brightnesses

The left side of the screen is darker than the right

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This can be an indication that one side of your back light inverter is getting weak and will need to be replaced. This can be a simple process of taking the back off and replacing a board. You may want to have it evaluated by a tech though. parts can be tricky to find so check ebay and maybe opt to have the board evaluated for repair.

Posted on May 08, 2010

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You may have burned out one or more cold cathode fluorescent lamps "CCFL" and that is why the screen brightness varies. Each side L and R usually contains 2 for a total of 4 CCFLs If one burns out you will still have one lighting up the screen however since there is 2 on one side and only 1 lighting on the other side this may be the problem and you may need to seek a replacement CCFL or send your screen to the company for repair.

Posted on May 08, 2010

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Hi.

Hold down the Fn key which is located at the bottom right of the keyboard and tap the "Home" key which will be on the right hand side of the keyboard, that will increase the brightness. Also to decrease the brightness hold down Fn and tap the "End" key.



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I have an Acer Aspire laptop 4810T. It turns on perfectly and everything appears on the screen but it is barely visible. The screen almost appears to be black.


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1 Answer

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I am not sure...but I have the identical problem. I believe the vertical lines are caused by the inverter board and the darkness is caused by the one of the back lights that needs to be replaced. I am tearing my unit apart now and will find out.

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Greetings,

Correct, if you know how to, try re-connecting the lamp.

Keep us posted and thank you for using our service.
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