To fix Acer laptop overheating, start by cleaning dust from vents and fans using compressed air. Ensure the laptop is placed on a hard, flat surface for better airflow. Use a cooling pad to reduce heat buildup. Update BIOS and drivers to optimize performance. Adjust power settings to balanced or power saver mode. Close unnecessary programs to reduce CPU load. Regular maintenance and proper ventilation help prevent overheating and extend your laptop’s lifespan.