Question about NEC MobilePro 780 Pocket PC

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NEC MobilePro 780 Screen

My Nec MobilePro worked for a while, until, after about two minutes, the screen went blank. Whenever I hold down the brightness button the screen works. What is wrong?

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A couple of things spring to mind. Have a good hard look at the screen when it goes dark. Is there still an image there but it is really dark? If so, consider that it may be a faulty backlight. It may also be a faulty ribbon cable joining the screen to the main unit, or it may be that the brightness down button is stuck and causing it to lower the brightness. The fact that you are pressing the brighness (up button I am guessing) and it comes back on, may indicate the bright down button is stuck or by pure chance you are pressurising the board in that area causing a bad contact to work, such as power to the backlight or pressure on the ribbon cable. I dont have one of these MobilePro's but I am just going on things I have seen with notebook PC repairs. Hope this helps.

Posted on May 25, 2007

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Posted on Jan 02, 2017

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