Restart software
Titan pc
- Start Tem software, click green play button:

Gatan pc
- Start Digital Micrograph.
Titan pc
- Start TIA.
- Check if the K3 is seen by the FEI software, camera dropdown list should contain EF-CCD:

-
Start the SerialEM server.
Gatan pc
- Start SerialEM on the Gatan pc.