Outdated drivers are a primary cause of OpenGL failures.
The RuneLite GPU plugin often fails to work due to outdated drivers, hardware incompatibilities, or incorrect client versions.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 runelite-gpu-plugin-not-working
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. Outdated drivers are a primary cause of OpenGL failures
A background process called jogamp_exe_tst can sometimes hang and prevent the plugin from starting. Open Task Manager , find any instances of this process, and end them before restarting RuneLite. Alternative: 117 HD Plugin Core Requirements If the standard GPU plugin continues
If the plugin is not working, follow these verified fixes in order:
For users, use the Nvidia Driver Downloads page for a "Clean Installation".