Sometimes I find that all of the non-standard keys on my Microsoft ergonomic natural keyboard 4000 stop working, like the favorite keys, media keys, web, search, mail keys, etc. I do not know how to ...
Switched to the Microsoft Natural Ergonomic Keyboard 4000 you linked and have some of the same problems. I don't have any issues with the membrane, but my work keyboard is completely missing the "L" ...
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