A workstation consistently shuts down without warning whenever it runs intensive workloads (e.g., 3-D rendering, large data simulations). You have already:
Cleaned out all dust and verified that every case fan spins normally.
Confirmed that the CPU fan still spins but the processor temperature spikes to 95 °C within seconds of loading stress-test software.
What should you do NEXT to address the problem?
Replace the CPU heat-sink and fan assembly with a new unit rated for the processor's TDP.
Lower the CPU multiplier in BIOS to reduce clock speed during heavy loads.
Re-apply fresh thermal paste between the CPU and the current heat sink.
Install an additional intake and exhaust fan to further increase case airflow.
Re-applying fresh thermal paste between the CPU and the current heat sink is the correct next step as dried or improperly applied paste can lead to inadequate heat transfer, causing overheating. Replacing the heat-sink/fan assembly might fix the issue but is excessive without first addressing a simpler and more common cause. Adding more case fans may increase airflow but won't resolve poor thermal contact between the CPU and cooler. Lowering the CPU multiplier reduces performance instead of addressing the underlying thermal issue, which remains after restoring normal operation.
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