Question about Texas Instruments TI-83 Plus Calculator
This is by no means an official opinion, but I'm almost 100% certain that this happens when memory on the calculator fries. When the processing chip tries to read information stored in memory telling it what to print on the screen, the memory returns incorrect values and as a result areas of the screen which are supposed to be empty have pixels filled in and vice-versa (depening on how much of the memory has failed).
This exact same problem happened on my laptop computer (with video memory) a couple of weeks ago and it turned out to be both a problem with the video memory failing, as well as the video interface on the mainboard.
Once again, I haven't called TI yet to confirm this, but I'm nearly 100% certain that this problem is caused by bad memory sectors.
TI MIGHT replace a calculator if it has this issue, or maybe repair it for less than the cost of buying a new one. I'm not sure yet; this problem just happened to me and tech support isn't open till monday.
Posted on Sep 06, 2008
Wow, I'm in the exact same situation. I've had my trusty TI for 6 years and now all of a sudden this gibberish is on the screen. You're right, there is absolutely nothing you can do to fix it. Guess we'll have to bite the bullet and buy a new one.
Posted on Sep 05, 2008
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Posted on Jan 02, 2017
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