The answer to 'how to fix outlet installation' is to first turn off the power to the outlet at the circuit breaker, then remove the existing outlet and inspect the wiring. Check for any loose, damaged, or incorrectly wired connections. Once the wiring is inspected and any issues are resolved, install the new outlet, making sure the connections are secure and the outlet is properly grounded. Finally, turn the power back on and test the outlet to ensure it is working correctly.
It's important to take safety precautions when working with electrical systems, such as using insulated tools, wearing rubber-soled shoes, and having a qualified electrician assist if you're unsure about any part of the process. Outlet installation should be checked periodically, around every 5-10 years, to ensure it remains in good working condition.