If you're experiencing screen flickering while playing GemstoneRO, follow the steps below to troubleshoot the problem:

1. Video of the Screen Flickering Issue You can download and watch this video to see what the screen flickering issue looks like:

2. How to Open the GemstoneRO Patcher First, open the GemstoneRO patcher. Here's how it looks:

3. Check Video Card Settings Once the patcher is open, press the “Configure” button. Then, review your video card settings. Here's an image showing the settings to check:

4. Test Sound Settings (If Video Card Settings Don't Work) If adjusting the video card settings doesn't solve the problem, try testing your sound settings. Disable the sound to check if it's an issue with your sound card driver. Here's the location of the sound settings: