Sharp Aquos LC-40E77UN signal problems


I own a Sharp Aquos LC-40E77UN bought on 2009 and when i try to connect it with my laptop (Acer 1830T, bought on 2012) it appear on the screen of the tv "Signal is not compatible". I've tried to connect it with another laptops at its shows the same message "Signal is not compatible". I updated the firmware to the latest version and the problem hasn't solved.

Does anyone had this problem and could fix it? Its really frustrating use VGA cable when you han HDMI.
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More about sharp aquos 40e77un signal problems
  1. Best answer
    Page 42 of your manual has a list of signal settings to use from the laptop, manual here (pdf link)
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