Question about Texas Instruments TI-85 Calculator

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TI-85 Display Has Missing Lines

I've had my TI-85 for a while, but recently, a few horizontal lines on the LCD display grid do not light up. This makes reading the display difficult. Does anyone know what might be the cause of this problem, or better yet, how to attempt a fix? Thanks.

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  • ymiverson Nov 02, 2008

    Thought that maybe it just needed new batteries, but even after fresh batteries there are several missing horizontal lines on the display screen that make it hard to read.

  • tonyr76 Nov 28, 2008

    I have the same problem. But Instead of missing lines, it's a black or dark grey spot that didn't leave me see what's on display. How can I fix it?

  • Anonymous Jan 08, 2009

    same problem here, interestingly so that i have had this calculator since '93 and just recently i am finding others havingthis exact problem...design issue?



    I think, though, the next step is to try to find the sam lcd or similar from jameco, or other supplier.

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1 Answer

Have u ever modded it? it can (and probably will)damage the screen (graphics driver)

Posted on Jan 24, 2008

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