My shift keys dont capitalize or do anything?
There's a simple test. Temporarily beg or borrow a keyboard which is known to work and see if using that works properly. If it does, your keyboard if faulty. If it's still problematic, it's something to do with your settings.
technician. first is to replace the keyboard driver. if that fails, the keyboard itself may have to be replaced. be sure to talk with the tech about alerting you if the repair will become too costly
Check control panel make sure sticky keys is working
With no clues where the keys are (on which device--keyboard, laptop, something else?) no guesses for you. Repair shop or buy another are only suggestions.