Question about Texas Instruments TI-83 Plus Calculator
My screen is covered with an uneven grid of whitle horizontal and vertical lines.
I've had the same problem. A temporary fix that I have found is to turn up the contrast all the way (press [2nd] then hold down the up arrow) until the screen becomes mostly black. Then turn the contrast back down (press [2nd] then hold down the down arrow) until it is at a normal level. If you can get rid of all the white lines when you turn up the contrast the screen will be back to normal. Unfortunately this does not permanently fix the problem because I cannot get rid of all the lines and it seems to be getting progressively worse each time it start up the calculator.
Posted on Jun 24, 2008
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Posted on Jan 02, 2017
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