Solution 26130: USB Hub Stops Working When Using TI Connect-to-Class™ Software.
Why does TI Connect-to-Class stop finding and sending files when I connect or disconnect additional TI-Nspire handhelds?
This issue is related to a combination of the way USB hubs are enumerated as well as connection and disconnection multiple USB devices during data transfers.
To resolve this issue:
Quit the TI Connect-to-Class application.
If the application does not exit, end the process using Windows Task Manager.
Unplug all USB hubs, wait a minute, and plug them back into the computer.
To better avoid this issue in the future:
Do not daisy chain the USB hubs.
Use only the USB hubs shipped with the TI Connect-to-Class software, if applicable.
Please see the TI-Nspire family computer software guidebooks for additional information.
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