Outdated drivers are a primary cause of OpenGL failures.
If your computer has both integrated and dedicated graphics, RuneLite may default to the weaker one. runelite-gpu-plugin-not-working
The RuneLite GPU plugin often fails to work due to outdated drivers, hardware incompatibilities, or incorrect client versions. The most common symptom is the plugin slider instantly switching back to "off" after an attempt to enable it. Core Requirements Outdated drivers are a primary cause of OpenGL failures
Before troubleshooting, ensure your system meets these minimum specifications: Windows 7+, macOS, or Linux. Graphics Hardware: Nvidia: GeForce 400 series or newer. AMD: Radeon HD 5000 series or newer. Intel: HD Graphics with Haswell processor or newer. The most common symptom is the plugin slider
If the standard GPU plugin continues to fail, many players successfully use the plugin available via the RuneLite Plugin Hub . It offers similar performance benefits with different rendering options that may bypass the specific compatibility issue you are facing.