I’m sorry to hear that. Here are some things you can try to resolve the issues you are experiencing with your smartboard:

1. Make sure the USB cable between the computer and the interactive whiteboard controller (the DSP) is securely connected. Connect the USB cable to a different USB receptacle on the computer. Install the latest version of SMART Product Drivers on the connected computer. Install the latest firmware.
2. If possible, try a pen from another SMART Board 800 series interactive whiteboard to check if the pens are operating correctly. Try connecting a different computer to the board to help identify if the problem is limited to the computer.
3. Verify the cable and receiver by using them with a different optical source, such as a BluRay player.

I hope this helps you resolve the issue. Let me know if you have any other questions or concerns.
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