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
when i installed the initial batteries, the calculator still had a blank screen. i adjusted the...
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when i installed the initial batteries, the calculator still had a blank screen. i adjusted the resolution, and i can now see only vertical bars on the screen
I downloaded a new os from TI's website. So I went to install it. Everything was going fine but when...
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I downloaded a new os from TI's website. So I went to install it. Everything was going fine but when it finished the computer gave a failed notice, and the calculator is frozen on the software installation screen and says "waiting to receive"...The usb recognizes my calculator but status is not detectable SO therefore I can't reinstall the os or even restore my calculator.