razer keyboard issue

Hey, all. I've been resisting posting about this for a while, because I wanted to see if I could figure it out by my own means or anywhere else, but after 6 or so months of this being a prominent issue, I'm really getting tired of it. In this video I posted to imgur, you can see what I mean. In...

Hey, I got an old mechanical keyboard that Im planing on using it, but it has been acting weird. Most of the keys are working fine, but some of them are messed up. Few of them need to be pressed hard in order to register the character or when they are slightly pressed the keyboard registers...