I just bought cme u-key controller and all is good except two keys act weird. When pressed close to the edge of the keyboard
not always sound is activated, the momentum must be bigger of the strike, but when pressed more in the middle of the key or closer to inner edge it's ok. All other keys are behaving properly. It's new and cheap keyboard and don't have time now for exchanging or repairing so I was thinking of fixing it by myself since I want to add some felt under keybed. Anybody encounter such key problem? what can it be?