If you are having difficulties with the Razer BlackWidow Chroma, try referring to the Troubleshooting Page.
Background and Identification
The Razer BlackWidow Chroma keyboard uses Razer Green Switch tactile clicky keys. Razer Mechanical Switches have 50g actuation force. It has a 60 million keystroke life span. There is Chroma backlighting with 16.8 million customizable color options. Uses Razer Synapse software as the driver. Has a 10 key roll over anti-ghosting with fully programmable keys with on-the-fly macro recording. There is a gaming mode option as well as 5 additional dedicated macro keys. It has audio-out/mic-in jacks, USB pass-through, and 1000Hz Ultrapolling. It has a braided fiber cable and weighs approximately 1500g/3.31 lbs and is about 475mm/18.72" (Width) x 171mm/6.74" (Height) x 39mm/1.54" (Depth).