Solution 12187: Blocking or Disabling Texas Instruments Graphing Calculators Communications Capabilities.
Can I block or disable a graphing calculator's communications with a program or application?While Texas Instruments graphing calculators have the ability to perform many wonderful tasks, there is no way to block or disable the communications port through the calculator's normal functionality. However, there are some third party applications and programs that may interfere with the communication port's operation. If this is the case, you may need to delete the App or program that is the suspected cause.
For assistance deleting Apps or programs, please view the guidebook for your graphing calculator.