Alienware AW768 Keyboard Input Lag

Sorry if this is in the wrong section, but I couldn't find a section for keyboards.

After using it for a few weeks it suddenly started having extremely annoying input lag. It's less than a second but it seems to be a little shorter or longer each time. Which makes it impossible to play video game and mmos since the characters movement is horribly affected by it, any idea as to what could be causing it?

I had the same problem on another keyboard on my new computer but I thought it was because it was a very old keyboard, so I bought this new keyboard.