Hi all- going through the initial setup for PHD2 and can get by the first step where it recognizes the ZWO guide camera.
The next step where it attempts to connect to your mount and set your mount guide speed it doesn't see it. I've tried using both the ASCOM drivers for the general Celestron and the Celestron CPWI drivers and nothing. The error is "Could not establish instance of CPWI (ASCOM)."
In short, there's not connection to the mount to transmit guide signals.
As for the ASCOM side I've got the latest package downloaded as well as the drivers. I've also tried uninstalling and reinstalling. CPWI sees and can control the mount so I know it's not a bad cable or connection of some sort.
I'm sure this is something simple I'm missing but I cannot figure it out. By the way I'm on a Dell XPS with the latest Windows 10 Pro updates.
I'd be happy to share what I can if I didn't provide enough to get this troubleshoot started.