I hit b, n and m and get "bn", "nm", "m,"

Problem
- I Hit "b" and get "bn"
- I Hit "n" and get "nm"
- I Hit "m" and get "m,"
- Microsoft Wireless Keyboard Problem in hit b, n, m
- Microsoft Wireless Keyboard 3000 problem with "b", "n" and "m" keys

Solution
Don't clean the keyboard with vacuum-cleaner, it's OK just replace your batteries
This is a pathetic sign for low battery i think so