Education Technology

Solution 39297: Troubleshooting a TI-Nspire CX II or TI-Nspire CX II CAS Calculator That Will Not Turn On or Function Properly.

What troubleshooting steps can I try if the TI-Nspire CX II or TI-Nspire CX II CAS calculator will not turn on or function properly?

Please Note: Ensure that there are no buttons that are stuck down below the keypad and please ensure that the reset button located on the back is not stuck down below the bottom case. If it appears stuck, use a paper clip to move it back into position.

If the TI-Nspire CX II or TI-Nspire CX II CAS calculator will not turn on please follow the steps below:

1) Press the [ON] key, wait 4 seconds, then press the [ON] key again.
2) Attempt to charge the calculator by connecting to a computer or wall adapter. If the calculator boots up check if the charge indicator displays a low charge, if it does let the calculator charge for a couple of hours.
Please Note:  If you are using a wall charger, make sure you are using the TI wall charger or other UL-certified USB charger rated for at least 1 amp (usually written as “1A” or “1000 mA”). To determine whether your charger is UL-certified, flip it over to the inside, and read the label. Look for the UL stamp, and confirm that it states that it is 1000 mA or higher.
3) Press the reset button on the back of the calculator.
4) Remove the battery door from the back of your calculator, disconnect the TI Rechargeable Battery, then reconnect it.
5) Remove the battery door from the back of your calculator, disconnect the TI Rechargeable Battery, connect the calculator to a computer or wall adapter. Verify if this allow the calculator to turn on. If it does please contact TI-Cares for options available to receive a replacement battery.
6) If you have access to another working TI-Nspire CX II or TI-Nspire CX II CAS you can try removing the battery from the working calculator and swap the battery with the non-working calculator and verify if this allow the calculator to turn on. If it does please contact TI-Cares for options available to receive a replacement battery.

If the TI-Nspire CX II or TI-Nspire CX II CAS calculator is not functioning properly or continuously rebooting please follow the steps below:

1) Press the reset button on the back of the calculator.
2) Hold down the reset button for 5 seconds. Release the reset button, press and hold the [doc] [enter] and [EE] keys, and press and release the [on] key.

The calculator will display a menu with the following maintenance options:

 

1. Format File System – This will delete the user’s documents, but will not delete the OS.
2. Delete OS – The operating system will be deleted without deleting any documents.
0. Reboot  – No changes are made, the calculator restarts

3) Delete the OS by pressing [2] then on the new menu [8] and finally [0] to reboot the calculator. After completing this step you will need to reinstall the OS.
4) Re-enter the maintenance menu by holding down the reset button for 5 seconds. Release the reset button, press and hold the [doc] [enter] and [EE] keys, and press and release the [on] key.
5) Format the file system by pressing [1] then on the new menu [8] and finally [0] to reboot the calculator.

Please Note: Steps 6 and 7 should only be followed if the TI-Nspire CX II or TI-Nspire CX II CAS calculator is continuously rebooting:

6) Attempt to charge the calculator by connecting to wall adapter to charge for at least 5 minutes before attempting to turn on.
7) If you have access to another working TI-Nspire CX II or TI-Nspire CX II CAS you can try removing the battery from the working calculator and swap the battery with the rebooting calculator and verify if this allow the calculator to stop continuously rebooting. If it does please contact TI-Cares for options available to receive a replacement battery.

If any of the above steps allows the calculator to turn on or function properly please try the following steps to verify the calculator is operating normally: 

1) Press the [Ctrl] then [ON] to turn the calculator off then press [ON], repeat this step 4 times and verify the calculator can turn on and off normally.
2) Press [Home] [5 Settings] [3 Handheld Setup] and change "Power Standby" to 1 minute then press [Enter]. Wait 1 minute for the calculator to go to power standby then press [ON] to verify the calculator turns on.
Please Note: After this step you may want to press [Home] [5 Settings] [3 Handheld Setup] and change "Power Standby" back to the default or other setting.
If either of the above steps fails please contact TI-Cares for additional assistance.

 

Access the link following for detailed information regarding warranty coverage.

If the suggestions do not alleviate the problem, please contact TI-Cares for information regarding service.