I'd like to recommend creating a account so me or other members can assist you, as guest have limitations in replying here and if we need further Information to communicate with you.
If not, then do you have the Search key (the one with the magnifying glass symbol on it, where the Caps Lock key would be on a regular PC keyboard) set to act as a Caps Lock button? Go to Settings>Keyboard and see what's selected for the Search key.