I've been using Razer DeathAdder Essential mouse for couple of months and lately when I try to use scroll wheel it started to jump up and down. Its happening in all browsers and games. If I try to scroll down the direction in the application I am using at the time will jumps up then 1 down (and vice versa) chaotically.As per the razer support article for this issue I have done all the following to no avail -Tested in another USB socket. Checked the firmware. Windows and nvidia driver are already upto date. Used a hand blower that I use for blowing out dust from inside the PC, on the gaps between and around the wheel. I dont run Synapse or any other Razor related bloatware in the background - its a mouse.As an engineer, this to me ‘looks and feels’ like a sensor error on the mouse, I did post aanother thread for this issue but its not longer visible?!

Ran across this post when I had a similar problem, and I thought I’d share a solution that I eventually found aReddit post. It as surprisinglysimple and actually worked for me (don’t know why, but maybe it is black magic just like the replies to the post suggest...)Anyhow, the solution:Get as close to the scroll wheel with your mouth as possible and blow as hard as you can into every nook around it. Compressed air didn't seem to work for me. I blew into my Viper v2 Pro pretty hard and after a couple breaths, this seemed to completely fix my issue. I am nearly 100% certain that there was no dust in there to begin with as my unit is pretty new which is why I'm convinced that this is black magic.

Mouse Scroll Wheel Jumps Up and Down

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