I experince some problems with my keyboard when I'm holding down keys for more than a few seconds..
The problem accurs when I play games like Rocket League and CS:GO. When I hold down letter keys like W to move forward/accelerate. And turn keys like A and D. The key suddently stops responding and the throttle/moving stops. I have to lift my finger off the button and press again. There doesnt seem to be any pattern that courses it but I can tell you it is very frustrating. I have tried to look in Control Panel for options, couldnt find anything that seems to solve the problem. I deactivated my touchpad (got other mouse connected by USB), but still the same problem.
I've tried some of the solutions in the link you send. I removed all keyboard drivers from the Device Manager and restarted. Same result in game. I only experience the problem in games. But I think it's because I dont use the keyboard that way in any other form of use of the computer. I use a couple of button while playing. SHIFT, W, A, S, D, CTRL and SPACEBAR are the most used. I checked for FilterKeys, they are off in the settings. I've tried pressing F2 under startup and started the komponent test of the keyboard. Nothing to be found.
I bought this laptop on May 3th. So it cant be dirt under the keys.
Maybe it could be some connection problem between keyboard and motherboard. I have read about it online.
I don't know what to do from here. I've tried everything I could find on your website, and search for solutions on other sites. Nothing seems to help..