Processor · medium

How to fixCPU-PSTATE-ERR

P-State transition failure

What this error means

This medium-severity issue affects the processor (CPU). Processor failed to transition to a requested performance state. This usually traces back to BIOS bug and faulty power management driver. Use the steps below to track down and fix the cause.

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 2 complete
01Update BIOS

Update 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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02Reinstall chipset drivers

Reinstall chipset drivers.

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

  • BIOS bug
  • Faulty power management driver