What to do when some of keys not working properly?

[AC Question]

When i use my keyboard keys, some are not working properly. And my "ok" button also does not work. actually right side of my cell is not working. Please give me solution.

 

[B. Diddy]

Welcome to Android Central! Which phone? Do the same keys have problems when you're on landscape orientation? If not, then it's likely a problem with the touchscreen in that area. You'd probably have to get the screen replaced.