Solution 37116: Troubleshooting a TI-84 Plus CE Calculator that is Unresponsive.
How do you troubleshoot a TI-84 Plus CE calculator that is unresponsive?
To troubleshoot a TI-84 Plus CE calculator that is unresponsive please try the troubleshooting steps below:
If the display is visible but appears locked up:
1) Using a paper clip, press the RESET button on the back for 2 seconds and release.
Please Note: Resetting the calculator will erase the contents of RAM, such as lists and programs.
2) If the calculator turns on when the ON key is pressed, use TI Connect CE to transfer the Operating System to your calculator. If you have access to another TI-84 Plus CE calculator, you may transfer the Operating System from calculator to calculator. However, please ensure the OS on the calculator you are transferring from is version 5.0.1 or later.
If the display is not visible:
1) Plug the calculator into a power outlet using the AC Power Adapter that came with the calculator for at least 10 minutes, or plug the calculator directly into a computer using the USB cable that came with the calculator for at least 10 minutes, or slide the calculator into a slot on a TI-84 Plus CE Charging Station for at least 10 minutes.
2) After 10 minutes use a paper clip to press the RESET button on the back of the calculator for 2 seconds and release.
Please Note: Resetting the calculator will erase the contents of RAM, such as lists and programs.
3) Press the ON Key.
4) If the calculator turns on when the ON key is pressed, use TI Connect CE to transfer the Operating System to your calculator. If you have access to another TI-84 Plus CE calculator, you may transfer the Operating System from calculator to calculator. However, please ensure the OS on the calculator you are transferring from is version 5.0.1 or later.
If the calculator does not turn on after you press the ON key, please do the following:
1) While holding the [2nd] [Del] keys down, press and release the RESET button on the back of the calculator. When the screen turns on, release the [2nd] and [Del] keys.
2) If the calculator turns on when the ON key is pressed, use TI Connect CE to transfer the Operating System to your calculator. If you have access to another TI-84 Plus CE calculator, you may transfer the Operating System from calculator to calculator. However, please ensure the OS on the calculator you are transferring from is version 5.0.1 or later.
Please Note: If the handheld shuts down while transferring the OS please hold the [2nd] [Del] keys down, press and release the RESET button on the back of the calculator. When the screen turns on, release the [2nd] and [Del] keys.
If the suggestions do not alleviate the problem, please contact TI-Cares for additional assistance.