OK, So I have a razer Blackwidow I got it like 2d ago and when I go on Razer synapse 2.0 (i use Mac and yes you can use a windows keyboard on a mac) so when I go to look it is not there just my mouse and when i unplug my mouse it does not even show up and it work I know. And When I plug in my mouse and open razer synapse it crashes Someone help me, Thanks. And if I can change the effect like ripple or Croma without razer synapse then tell me Thanks.