Razer Deathadder Chroma:Invalid Product Serial Number | Razer Insider
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Hello, I may have a small issue.

I recently bought a new mouse, however I can not add it as a device in Razer Synapse because of "Your product is no longer covered by Razer's Limited Warranty". I know the mouse is older version, but since I bought it a month ago, I still expect it to be connected so I could change it´s sensitivity to my preferred sensitivity.

So I ask what can I do to contact support/get it working so I could change the DPI of my mouse.