Texas Instruments TI-89 Calculator "titanium freeze" Questions

Ti 89 Titanium hello, recently got a ti-89 titanium and it wasnt turning on, replaced the "factory included batteries" and it turned on, however, it displays a message: Title: F5 Math text: "This ...

TI-89 Titanium freezes up. How can I resolve this issue? Having gone over half a month without a response to my query, I assume my suggested reset solved the problem.

...titanium gets stuck on the menu. no keys are responsive, and the 2nd key and diamond freeze it on ''busy'' Hello, If calculator displays busy it means it is trying to find the solution to the problem ...

TI-89 Titanium won't let me input anything or just freezes my calculator has been for awhile doing thing. An example of what happens is that when I am on the home screen typing in anything, it will be

titanium freezes on menu My TI-89 gets stuck on the menu screen once it turns on. No solution has emerged that will not require me to reinstall le OS. I've tried hard reset and changing all ...

There is always a blue line showed up in the middle of screen for my daughter's TI-89 Titanium calculator and froze other functions. Change battery does not solve the issue. Really need help. ...