Original Heatsink 5H40N78429 – Lenovo IdeaPad C 80X2 UMA

Original OEM heatsink for UMA integrated graphics in Lenovo IdeaPad C 80X2 series laptop. This product is identified under part number 5H40N78429 and is a precise replacement for a failed heatsink. The component transfers heat from the CPU and integrated GPU to the cooling fan for dissipation.

Detailed Technical Specifications and Complete Compatibility Information

The heatsink is manufactured to OEM standards, providing efficient heat conduction. All heat pipes and contact surfaces conform to the original Lenovo IdeaPad C 80X2 specification.

Key Features and Complete Compatibility with Lenovo IdeaPad 80X2 Series

Compatible with Lenovo IdeaPad C series laptops with model code 80X2 and UMA GPU. Verify model compatibility before ordering.

Made from high-quality copper and aluminum. CPU and GPU contact surfaces are precision-machined to ensure maximum thermal conductivity.

Screw hole positions match the mounting points on the motherboard. The heatsink fits directly without chassis modifications.

Replacement process: power off laptop, open bottom cover, disconnect fan connector, loosen heatsink screws in correct order, remove old heatsink, clean thermal paste, apply new paste, mount new heatsink.

Signs indicating replacement needed: overheating, unexpected shutdowns under load, fan running continuously at high speed, poor performance over time.

This component is classified under heatsinks for Lenovo IdeaPad laptops and is critical for proper thermal management. Designed for technicians and repair shops. Verify compatibility before purchase.