Solution 37295: Troubleshooting a TI-84 Plus CE or TI-84 Plus C Silver Edition That Will Not Turn On, Charge, Function Properly, Displays a “Validating Operating System…” Message or Flashes White.
...lease Note: The resets described in the troubleshooting steps below may cause a loss of applications, programs, and data. If at all possible, please backup all your files by copying data files and programs from your calculator to a folder on your computer using TI Connect CE™ Software. 1) Attempt...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37295
Solution 37798: What connection ports are available on the TI-Innovator™ Hub, and what can they connect to?
... 5V sensors. Most sensors will work in any of the ports. (i.e., a 3.3V sensor will not get damaged if used with IN 3, but the readings may not be accurate) 3 output ports: Used to control output modules: OUT 1 and OUT 2 are for use with modules requiring 3.3V. OUT 3 is for use with ...https://education.ti.com/en/customer-support/knowledge-base/ti-innovator-technology/product-usage/37798