Several signs and symptoms can indicate that your liver may not be functioning properly: 1. Jaundice: Yellowing of the skin and eyes. 2. Abdominal pain or swelling: Discomfort in the upper right abdomen or bloating. 3. Fatigue and weakness: Persistent tiredness and reduced energy levels. 4. Unexplained weight loss or loss of appetite. 5. Nausea and vomiting. 6. Dark urine and pale stools. 7. Easy bruising or bleeding. 8. Changes in mental function or mood. If you experience any of these symptoms, it is important to consult with a healthcare professional for proper evaluation and diagnosis.