How to Fix OPENGL Error 65543 in Minecraft 1.21.5 (2025)

Are you facing OPENGL Error 65543 when launching Minecraft 1.21.5? Don’t worry, you’re not alone! This is a common issue that prevents Minecraft from running properly. In this guide, I’ll show you How to Fix OPENGL Error 65543 in Minecraft, whether you’re using TLauncher or the official Minecraft Launcher.

By following this step-by-step tutorial, you’ll be able to fix OPENGL Error 65543 and get back to playing Minecraft without any issues.

What Causes OPENGL Error 65543?

This error usually appears due to two main reasons:

• Outdated Graphics Drivers – If your GPU drivers are old, Minecraft might not recognize them, leading to this error.
• Missing Java or Incorrect Java Version – The wrong Java version can cause compatibility problems, especially on newer versions like Minecraft 1.21.5.

Let’s go ahead and fix OPENGL Error 65543 step by step.

Step 1: Update Your Graphics Drivers

Your graphics card drivers are essential for running Minecraft. If they are outdated, you must update them. Follow these steps:

1. Identify Your GPU:
   • Press Windows + R, type dxdiag, and press Enter.
   • Go to the Display tab and find your GPU name.
2. Download The Latest Drivers:
   • NVIDIA Users: Go to Nvidia Website and download the latest drivers.
   • AMD Users: Visit AMD Website and update your drivers.
   • Intel Users: Download the latest drivers from Intel Website.
3. Install The Drivers:
   • Run the downloaded file and follow the installation steps.
   • Restart your computer after installing the drivers.

Try launching Minecraft again. If the error persists, continue to Step 2.

Step 2: Install the Correct Java Version

Minecraft requires Java to run properly, and using an incorrect version can cause OPENGL Error 65543. To fix this:

1. Download Java SE 16 or Java SE 17 (compatible with newer Minecraft versions).
   • Click the Java SE download link at the bottom of this article.
2. Install Java SE:
   • Double-click the downloaded file and complete the installation.
3. Set The Correct Java Path in TLauncher (If You Use TLauncher):
   • Open TLauncher and log in.
   • Click on Settings (gear icon in the bottom-right corner).
   • Find Java Path and select:makefileCopyEditC:\Program Files\Java\JDK 16\Bin\javaw.exe
   • Click Save and restart TLauncher.

Try launching Minecraft now. If the issue persists, move to Step 3.

Step 3: Adjust Minecraft Video Settings

Sometimes, Minecraft settings can cause this error due to incompatibility with your graphics card.

1. Open Minecraft (If Possible) and go to Options > Video Settings.
2. Change the following settings:
   • Graphics: Fast
   • Render Distance: 6-8 Chunks
   • Smooth Lighting: OFF
   • VSync: OFF
   • Bobbing: OFF
   • Shaders: None (Disable Shaders)
3. Click Done, then restart Minecraft.

Try playing again. If the issue is still not fixed, go to Step 4.

Step 4: Reinstall Minecraft

If you’ve tried everything but the error still appears, reinstalling Minecraft may be the best option.

1. Backup Your Worlds:
   • Go to %appdata% > .minecraft > saves and copy your world files to another folder.
2. Uninstall Minecraft:
   • Open Control Panel > Programs and Features.
   • Find Minecraft and click Uninstall.
3. Reinstall Minecraft:
   • Download Minecraft from Minecraft’s official website or TLauncher’s website.
   • Install Minecraft and restart your computer.
4. Restore Your Worlds:
   • Move the saved world files back into %appdata% > .minecraft > saves.

This should completely fix OPENGL Error 65543 in Minecraft!

Final Thoughts

If you’ve followed all the steps correctly, you should no longer see OPENGL Error 65543 in Minecraft 1.21.5 or TLauncher. You can now enjoy Minecraft without crashes or compatibility problems!

If you’re still having trouble, leave a comment below or contact me on Discord or YouTube (Minecraft Sketch Bros) for additional support.

Downloads

• Java SE 16 or Java SE 17: Click here
• More Minecraft Tutorials: https://minecraftsketchbros.eu