Processor · medium

How to fixPOWER-LIMIT-THROTTLE

Limiting CPU performance with a performance limit of

What this error means

Limiting CPU performance with a performance limit of ranks as a medium-severity processor (CPU) issue in our database. The CPU is running below maximum power due to the PL1/PL2 limits of the motherboard or laptop. Reports of Limiting CPU performance with a performance limit of usually describe a sudden crash, brief unresponsiveness, or a stop-code screen appearing out of nowhere. It's also often linked to intel XTU settings. Follow the steps below to fix it.

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
01In BIOS, increase PL1 and PL2 limits

In BIOS, increase PL1 and PL2 limits.

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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02In XTU, adjust the power limits

In XTU, adjust the power limits.

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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03Check the power settings in Windows

Check the power settings in Windows.

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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04Upgrade the cooling

Upgrade the cooling.

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

  • Low PL1/PL2 limit in BIOS
  • Laptop thermal policy
  • Weak power source
  • Intel XTU settings