Processor · high

How to fix Base clock instability (BCLK)

Error code: BCLK-JITTER

What this error means

The basic frequency generator on the board fluctuates. Reports of Base clock instability (BCLK) usually describe a sudden crash, brief unresponsiveness, or a stop-code screen appearing out of nowhere. The usual suspects are dried thermal paste, overclocking too aggressively, silicon degradation and weak power supply.

Updated

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
01Improve cooling and repast
  1. Improve cooling and repast
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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02Increase LLC (Load-Line Calibration) in BIOS
  1. Increase LLC (Load-Line Calibration) in BIOS
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
03Undervolting
  1. Undervolting
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

  • Dried thermal paste
  • Overclocking too aggressively
  • Silicon degradation
  • Weak power supply