The answer to 'faucet installation not working' is that there are several common causes, including improper installation, faulty parts, or issues with the water supply. Symptoms may include dripping, leaks, or the faucet not turning on at all.
Some potential solutions are checking the faucet connections, replacing washers or O-rings, or adjusting the water pressure. However, if the issue persists or you're not comfortable troubleshooting it yourself, it's best to call a professional plumber to diagnose and fix the problem.