Unstable graphics core clock

What is CORE-CLK-CRASH?

The CORE-CLK-CRASH error is categorized as a high-severity graphics card (GPU) issue that can significantly impact your PC's stability. The core of the graphics card crashes when switching to 3D load. When experiencing the Unstable graphics core clock fault, users often report sudden system crashes, unresponsive behavior, or a blue screen of death (BSOD). In most diagnostic scenarios, this problem is directly triggered by underlying hardware or software complications such as high temperatures, wear of memory chips, faulty driver and poor quality video cable. To permanently resolve the CORE-CLK-CRASH issue and prevent further system degradation, it is highly recommended to follow our step-by-step troubleshooting guide below, ensuring your graphics card (GPU) components are functioning correctly.

Common Causes

• High temperatures
• Wear of memory chips
• Faulty driver
• Poor quality video cable

Step-by-Step Fix Guide

• 1
  Install the older stable driver using DDU

  Applying the first fix (Install the older stable driver using DDU) addresses the most common root cause of CORE-CLK-CRASH and restores baseline functionality.

• 2
  Replace the cable with a certified

  If the problem persists, proceeding with the remaining steps ensures all edge cases related to gpu instability are covered.

• 3
  Underclock the memory in MSI Afterburner

Commands & Diagnostics