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When should thermal paste be replaced?

Thermal paste fills microscopic gaps between the CPU/GPU and the heatsink so heat can transfer. As it dries out, it stops doing that job.

Updated: 10 November 2026

Signs it's time

  • High temperatures and a constantly spinning fan even at idle.
  • Performance drops a few minutes into gaming or heavy work (throttling).
  • The laptop shuts down under load.

How often?

  • Every 1–2 years for office use.
  • Every 6–12 months for gaming, rendering and heavy use.
  • Dusty homes or homes with pets may need more frequent fan cleaning.

Why proper application matters

  • Too much or too little paste hurts heat transfer.
  • In laptops, VRAM and power parts use thermal pads that must be the right thickness.
  • So it should be done by experienced hands with the right materials.

When to bring it in

In our workshop we use quality pastes like Arctic MX-4 / MX-5, renew thermal pads when needed and run temperature tests afterwards.

FAQ

FAQ

How long does a paste replacement take?

For most laptops it's done the same day.

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