Resolving Sudden Graphical Glitches on MBA 13” 2015 Running Ventura 13.6+ with OCLP 1.3.0

Dealing with sudden graphical glitches, especially on a Hackintosh setup like yours, can be concerning. Based on your description, it sounds like the issue is related to the graphics configuration or possibly the hardware itself. Here's a step-by-step guide to help diagnose and potentially resolve the problem.

Guide Step by Step:

1. Safe Mode Check: Try booting your machine in Safe Mode. This can help determine if the issue is related to the system software or a third-party application. If the glitch does not occur in Safe Mode, it suggests a software-related problem.

2. Graphics Drivers and Kexts: Since you're using OpenCore Legacy Patcher (OCLP), ensure that you're on the latest version and that your kexts are up to date. Outdated or incompatible kexts can cause graphics issues.

3. Reset NVRAM: Resetting NVRAM (Non-Volatile Random-Access Memory) can sometimes resolve display-related issues. This clears certain settings and can help if the glitch is due to a corrupted setting.

4. Check for Overheating: Overheating can cause graphical anomalies. Ensure your machine is not overheating by checking the ventilation and cooling system.

5. Hardware Diagnostics: Run Apple Diagnostics to check for any hardware issues. To do this, restart your machine and hold the 'D' key as it boots. Follow the onscreen instructions to start the diagnostic process.

6. External Monitor Test: If possible, connect your machine to an external monitor. If the glitch doesn't occur on the external monitor, it might indicate an issue with the laptop's display.

7. Revert to Known Good Configuration: If the issue started after updating or changing a setting, try reverting to a configuration that you know was stable.

8. Boot with a Different OS Version: Since you mentioned the glitch also occurred with a Monterey installer, this might suggest a more systemic issue, possibly hardware-related. If you have the ability, try booting from an external drive with a different version of macOS.

9. Inspect for Physical Damage: Check for any signs of physical damage to your machine, particularly around the display and graphics card areas.

10. Professional Help: If you're unable to resolve the issue and suspect it might be hardware-related, it may be time to seek professional assistance.

Create config.plist:

For graphical issues, tweaking the config.plist can sometimes help, especially if the glitch is due to a misconfiguration:

1. Verify your device's GPU settings in the config.plist.
2. Check if there are any specific patches or settings recommended for your GPU model.
3. Ensure that your config.plist matches the recommended settings for Ventura 13.6+ on an MBA 13” 2015 model.

Remember, graphical glitches can stem from a variety of sources, from software misconfigurations to hardware failures. It's important to approach the problem methodically to isolate the cause. If the issue persists, it's advisable to consult with a professional who can physically inspect your device.