Resolve Windows 10 related issues for your HP computers or printers by HP Windows 10 Support Center
b= b5 n= n6 5=b5 6=n6 and so many special characters are behaing differently Thanks in Advance
Something is "short-circuiting" in your keyboard.
Purchase/borrow an external keyboard with a USB connector.
Connect the keyboard to a USB port on your computer.
Try those specific "bad" keys on that keyboard.
Hopefully, those keys on the external keyboard will be fine, which implies that your old keyboard is dying.
If you still have problems, then you have a much-more-serious problem with your computer's motherboard.
Have you ever spilled anything onto the keyboard, e.g., coffee with cream & sugar, that has dried out?
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