Last but not least, rubber feet prevent your laptop from damaging the surface they’re on. Eventually, that dust will clog up cooling fans and coat components, making them run hotter. MacBooks are great examples of this-with the feet gone, you’re left with four holes in the bottom case that are wide-open doors for dust. Lastly, some rubber feet cover up holes in the bottom frame that can let in dirt and dust if uncovered. Helping your computer radiate heat through its largest surface helps avoid these dicey scenarios. ![]() In critically hot temperatures, your computer will shut itself off to prevent damage to internal components. If your laptop gets too hot, the processor will “throttle” itself, running slower to generate less heat. This is why it’s also not a good idea to put your laptop on a pillow or blanket. ![]() ![]() With no airflow to dissipate that heat, it would just keep building up. Nearly every laptop has its components sitting inside the bottom case-feel the bottom of your laptop while it’s running (right now, maybe) if you don’t believe me. Laptop feet also elevate your laptop ever so slightly so that air can flow beneath it, keeping the chassis cool. ![]() Huge ingress points lie beneath the MacBook’s rubber feet, allowing dust to easily get inside.
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