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Hi everyone, My K40 is supposed to be n-key rollover. However, it generates wrong output when certain buttons are pressed simultaneously. Would Raptor owners be so kind to do a quick test for me, to see if more K40s (but also K50, etc.) have the issue? ================================ - Open Notepad - Make sure Num Lock is switched ON - Press the following keys simultaneously: - RIGHT arrow (just to the left of the keypad, so *NOT* the NUM-6 key) - NUM-4 - NUM-8 - ENTER (on the keypad) Please let me know the result in Notepad.* Thanks so much!! (* Expected result: a four, an eight and an ENTER... or multiples, depending how long you held each key) ================================ Short background info: I use the numpad for gaming (instead of WASD). But when I press the above keys together, my keyboard ALSO gives the wrong command '0' (zero). In other words, it's like I also press NUM-0, while I don't touch that key. I had to unbind the NUM-0 key, to prevent wrong actions from happening in-game. However, there are more combinations that lead to wrong output, e.g.: - NUM-4 - NUM-5 - NUM-8 - RIGHT arrow - ENTER ==> Will switch on/off Num lock (and suddenly I can't move anymore in-game). Or: - Page Down - NUM-8 - ENTER ==> Will output '3' (bound to 'throw grenade'). You might understand random grenade throws get old, very fast 😉 I contacted Corsair support, but they don't understand the problem either and don't have a K40 to test with. They tried to help me quite well, but when they found out my keyboard is from 2015, the Tech Support Supervisor said: "It's possible the keyboard is nearing the end of it's life and not functioning as it's supposed to." Personally, I don't believe this is the root cause; it feels like a firmware issue to me, but there's no way to prove it without your help. Also, they offered me a 15% discount on a new product, though, but I definitely won't buy another Corsair keyboard without knowing if more models have the issue. If you reached this point, thanks so much for reading it all and your help!
