CompTIA A+ 220-801

Category - 801: Hardware

When replacing a CPU, where do you apply the thermal compound?
  1. Between the motherboard and the CPU.
  2. Between the CPU and the heatsink.
  3. Between the Heatsink and the Fan.
  4. Between the Fan and the CPU.
Explanation
Answer: B - The thermal compound is applied between a CPU and the heatsink.

Key Takeaway - To allow for proper heat dissipation, it’s necessary that there be a consistent surface area between the CPU and the heatsink. Therefore, apply thermal compound between the CPU and heatsink. The fan goes on top of the heat sink to dissipate the heat into the air.
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