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Common Issues and Fixes

Shadows not visible:

Confirm Authentic Shadows is in your Active packs list (not just available)
Move it to the top position above all other resource packs
Restart your world completely

Shadows look too faint:

Lower your Brightness setting in Video Options
Ensure Smooth Lighting is enabled
Visit darker areas (caves, forests) where contrast is stronger

Shadows disappeared after updating:

Reinstall Authentic Shadows to ensure compatibility with your current Minecraft version
Clear your resource pack cache by deleting the shadercache folder in your .minecraft directory
Reactivate the pack

Verify Game Settings

Check that you haven't accidentally disabled features that shadows depend on:

Smooth Lighting must be ON
Graphics should be set to Fancy (not Fast)
Brightness should not be maxed out

If shadows still don't appear after these steps, the pack may be incompatible with your current game version. Check that you're using a supported Minecraft version for the pack.