I don’t know if the TI-84 Plus calculator was dropped, but the screen is 2/3 stripes, therefore the calculator cannot be used. I tried replacing the batteries and a reset.
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Hi, perhaps the ribbon cable connecting the motherboard is partially loose. Just to be sure, I’d like you to run a self test
If your screen still doesn’t work, I’d suggest looking at a topic on ribbon cable repair which you can find here.
Good luck, please let me know if you have any issues or questions!
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Thank you for your reply! The first pattern of vertical stripes works. The rest of the patterns show white horizontal lines.
Yes, that sounds like a loose ribbon cable. Do you have experience with soldering or using a voltmeter? If not and if the cable is just loose, then when you take it apart ( TI-84 Plus Disassembly ) you may be able to get by with just putting pressure on certain parts of the cable (to see which part is loose) then taping (preferably with electrical tape) the loose part back together. Again, I'd suggest following the topic I linked in my original answer if you have the tools. Good luck and I'm happy to answer any questions you may have!
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