K95 RGB Laggy G-keys

hi i just got an K95 RGB bord, an i play leauge of legends an i finde the G-keys a little laggy, there is an tiny latency from u press the key to action. but if i press the ordenery E key or enny other els key, its instant action, i have removede the latency in the program then im progarmming G-keys, i have made key-strokes binding, i have set the software to not to detect latency then i progarm the G-keys live, i have don everyting posible. do some one know this problem?? and maby how to fix it, i havede an older K95 and it workede just fine, beside i got dead ligths in the keys