Processor · high

How to fixINTEL_TDP_THROTTLING

Intel Power Limit Throttling (PL1/PL2)

What this error means

This high-severity issue affects the processor (CPU). Intel Power Limit Throttling (PL1 or PL2) triggers when the processor exceeds its long-duration or short-duration power limits, reducing core frequencies to keep power draw within design specs. Typical causes include insufficient CPU cooling or air flow and low motherboard VRM quality or overheating VRMs. Work through the steps below in order.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 4 complete
01Increase CPU cooler fan curve

Increase CPU cooler fan curve.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Adjust power limits (PL1/PL2) in BIOS

Adjust power limits (PL1/PL2) in BIOS.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Disable Intel Thermal Velocity Boost overclocking in BIOS

Disable Intel Thermal Velocity Boost overclocking in BIOS.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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04Improve PC case ventilation

Improve PC case ventilation.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Aggressive CPU core overclocking
  • Insufficient CPU cooling or air flow
  • Low motherboard VRM quality or overheating VRMs
  • Incorrect PL1/PL2 power limits set in BIOS