@atikurraha86394 sounds to me like you are dealing with a bad keyboard. Page 70 of the [document|39330] will show you how to replace the keyboard.
+
@atikurraha86394 sounds to me like you are dealing with a bad keyboard. Page 70 of the [document|39330] will show you how to replace the keyboard. Replacment keyboards are readily avaialble at many online stores and are relatively inexpensive.