How can I lock the light effect? Miya February 26, 2021 04:26 Updated Please press fn＋L ＋light effect key for 6 seconds to lock it . Related articles If I turn off automatic sleep mode, do I have to turn off the keyboard (by switch) every time I turn off my PC? Should the keyboard be cleaned frequently with alcohol? Is there any way I can remap “Fn1” “Fn2”? When I have the backlight turned off, the keyboard still has a very dim light that is only visible in a pitch black environment, is that normal? Does the K2 PBT Keycaps fit on the K8?