How to set up a Chromecast with a Logitech Harmony Remote
The Logitech Harmony Remote configuration software isn't very well suited to setting up a Chromecast. Here's what I did to make it work: First add the Chromecast as a device: 1. Go to "Devices" then "Add Device". 2. Select "Computer" then "Media Center PC" (yes, this is confusing) 3. Select manufacturer Google, then enter the device name "Chromecast". The software will warn you that it can't control the Chromecast. That's OK, just proceed. Second, create an activity to watch the Chromecast: 1. Go to "Activities" then "Add Activity" 2. Select "No - manually add an Activity to my setup" 3. Choose "Utility" then "Generic Activity" 4. Set it up to use your TV and receiver, with the appropriate inputs selected. 5. Use "Settings" to "Rename activity" to something like "Watch Chromecast". This seems like it would be enough, but it is