Dell Latitude 5400 Keyborad Buttons Layout Issue

Hello,

I have dell 5400 laptop and his special characters buttons are not working right keyboard button mean the acutall printing text on the keyboard of character are different and he worked different button. It's very strange to use keyboard for coding. Can anyone please help me to resolve the issue. I have choose keyboard language UK English but I have try to change US English but that doesn't fix my issue.. Please anyone help me on that issue.

Thank you very much!!