BIOS & startup · high

How to fixCPU Vcore Out of Range

CPU Vcore Out of Range

What this error means

CPU Vcore Out of Range is a high-severity hardware BIOS/UEFI issue. The processor voltage is detected by the motherboard sensors as being outside of stable operating bounds. It's also often linked to failing power supply unit (PSU). Follow the steps below to fix it.

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Reset CPU core voltage settings to default/auto
  1. Reset CPU core voltage settings to default/auto
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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02Disable CPU Load-Line Calibration (LLC)
  1. Disable CPU Load-Line Calibration (LLC)
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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03Test system with a known good PSU
  1. Test system with a known good PSU
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Incorrect manual voltage settings in BIOS
  • Motherboard VRM degradation
  • Failing power supply unit (PSU)