This keyboard was the same model I used throughout my career in IT. I never had a problem until I bought from Revain. I received a "new" keyboard that was clearly used and refurbished. Since I missed the return window, I even bought a new keyboard battery, thinking that would fix the problems, but it didn't. The keys I type never make it to the screen and only about 20-30% of what I type gets to the computer correctly. It's complete junk. Make sure your seller is not an ItemBazaar.
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