The answer to 'how to fix outlet' is to first turn off the power to the outlet at the circuit breaker. Then, unscrew the outlet cover and carefully inspect the wiring connections. If the connections are loose, tighten them securely. If the outlet is damaged or worn, it may need to be replaced. Be sure to follow all safety precautions and use caution when working with electrical components.
Fixing an outlet is a relatively simple DIY task, but if you are not comfortable working with electricity or the outlet is damaged, it's best to call a licensed electrician to inspect and repair it. Outlets should be checked and maintained periodically to ensure they are functioning safely.