To Whom It May Concern~
I recieved a TI-89 for a Christmas Present (we got the calculator in Circuty City). Whenever I turn on the 89, I get a full black screen. I am unable to do anything with it at all. If anyone can get back to me and tell me how to fix it I'll appreciate it. Thanks
My Ti-89 looses its programs, the screen freezes and I have to reinstall the software. It works for...
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My Ti-89 looses its programs, the screen freezes and I have to reinstall the software. It works for a period of time and then regresses. What could be causing this to happen?
I accidently sat some books on my calculator, and the screen went black...how do I make it go back...
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I accidently sat some books on my calculator, and the screen went black...how do I make it go back to normal?
There is a line in the screen where no pixels are showing, is this fixable? - it is across the whole...
(More)
There is a line in the screen where no pixels are showing, is this fixable? - it is across the whole screen.
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