Question about Samsung V20 XVC 2400 Notebook

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Screen Keeps dimming and contrast function does not work

We have a samsung np r40 plus, its not very old and we have had this problem since getting the laptop...the screen dims and we cannot see much of the screen sometimes its fine and sometimes not...we have tried changing the optimise for performance etc and have also tested that its not as a result of the battery running out....any ideas what might be wrong or what setting needs changing?

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  • CAYLEM00 Aug 01, 2008

    Thanks very much for all your suggestions, I will work through and check each item -I do know that the function key for the brightness does not work when the screen dims at all so maybe its another one of the problems you have detailed...thanks for the speedy reply too

  • kevfar65 Aug 20, 2008

    I have a broken ac / dc socket on my samsung v20. I have a replacement however when I try to split the back off I cant get one side to budge. I have taken al the screws out I can see, even the one under the flap. ANy ideas

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Hi,
This is possibly, a loose cable or the screens inverter board is overheating. the inverter is similar to a booster in a flourescant light fitting. which converts power from DC To AC and boosts up the panels Light Tube. CFL if it,s faulty or overheating. this will cause the panel to dim.
also check the plunger at the underside of the screen, isn,t sticking down. designed to cut off the panel when the lid is closed. Finally some model laptops, only boost the brightness running on A/C Power. the battery would run-out fast with screen at full brightness. if theres an fn key on the keyboard, press fn and the brightness button to adjust screen brightness.

Mike @ Compurepair.

Posted on Jul 31, 2008

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