I rollbacked the version of synapse and it is working now. I went to 3.7.0428.041313

I’m getting this too. I had it for about four to five months and now it won’t respond. Instead, I get the green ripple effect. Let me know if you found a solution for this.

Having this same issue with my brand new deathstalker v2 pro. Have you found any fix for this besides rolling the version back? It feels like there has to be something simple I'm overlooking

Any news? I have the same issue on the BlackWidow V3. 
Only the FN key shows a ripple...

I have the huntsman analog v2 and i have the same problem after 1 week of use, i “solved” the problem with a kind of “life hack”. Just launch synapse and go to the “profiles tab” and change the profile to default (just default, not default 1 and by the way delete this one if you have it) go the “keyboard tab” next to synapse tab, and close the window. And thats all, works for me but its weird. If i go to the other tabs or im changing the effects in chroma stuidio, it just stop working. I think that is my sheet toaster with 20’s and 99’s components, but i dont know (yes i have this keyboard with a toaster pc lol)

download razer synapse explicitly and update, not used the app to update, will work for v3.9

the ripple effect works for me just fine after updating NOT the synapse but the firmware itself. Just go to settings → Firmware and check if under any of your devices there is a link saying that the latest verion can be downloaded and that your device’s version is outdated which should also show beneath the device itself.