How to Install a CPU Cooler: Air and AIO Liquid Cooler Guide | Repair Guide | Nexus Parts Online

Proper CPU cooling determines whether your processor runs at its rated speed or throttles under load, cutting performance by 20 to 40 percent. Whether you are mounting a tower air cooler for reliable and quiet everyday operation or installing an all-in-one liquid cooler for sustained high-performance workloads, the installation process demands attention to thermal paste application, mounting pressure, and fan orientation. This guide covers both cooling approaches from surface preparation through final temperature validation, and explains the physics behind why each step matters.