The thermal paste on a laptop is replaced between the central processing unit (CPU) and/or the graphics processing unit (GPU) and their respective heat sinks. To perform the replacement, you will need to open the laptop’s chassis to access these components. It typically involves removing the back panel to reveal the motherboard where the CPU and GPU are located.
Carefully detach the heat sink from the CPU/GPU by unscrewing it and gently lifting it off. Once removed, clean off the old thermal paste from both the processor surfaces and the heat sink using isopropyl alcohol and a lint-free cloth or paper. After ensuring both surfaces are clean and dry, apply a small, pea-sized amount of new thermal paste onto the CPU/GPU. Gently reattach the heat sink and secure it with screws, ensuring even pressure. Finally, reassemble the laptop by replacing any removed panels or components.
It is important to follow manufacturer-specific guidelines for your laptop model to avoid any damage. If you’re uncomfortable with disassembling your laptop, consider consulting a professional technician for assistance.