LENOVO LAPTOP YOGA 7I Overheating Shutdown

CPU Cooling Fan Assembly

The cooling fan in the Yoga 7i is a high-RPM, low-profile component prone to bearing wear and dust accumulation. A failure in the fan's ability to maintain rated CFM (Cubic Feet per Minute) directly leads to heat soak in the copper heat pipes. Replacing the fan assembly ensures the mechanical airflow is restored to factory specifications.

SKU: 5F10S13911

Thermal Interface Material (TIM) / High-Performance Thermal Paste

Over time, the factory-applied thermal grease between the CPU die and the heat sink assembly can dry out or 'pump out' due to thermal expansion cycles. This creates air gaps that act as insulators rather than conductors. Applying a high-conductivity paste like Kryonaut or Arctic MX-6 restores the thermal bridge necessary for heat dissipation.

Heatsink and Fan Integrated Module

If the fan replacement does not resolve the issue, the vacuum-sealed copper heat pipes may have a micro-fracture or 'leaked' their working fluid, rendering the phase-change cooling ineffective. Replacing the entire integrated assembly ensures both the active (fan) and passive (pipes/fins) cooling systems are functioning.