How to Fix Sleep in Catalina does not work with unused GFX in pc
Graphics issues usually stem from an unsupported GPU, missing acceleration patches, or incorrect boot arguments.
Quick Fix Steps
- Verify GPU support: Check if your GPU model is natively supported in your target macOS version via WhateverGreen documentation.
- Update kexts: Ensure Lilu and WhateverGreen are current and loaded before other GPU-related kexts.
- Check boot arguments: Add
-v keepsyms=1 debug=0x100for debugging, oragdpmod=pikerafor modern AMD cards. - Test Metal support: Open About This Mac > System Report > Graphics and confirm Metal is listed.
Verification
- Graphics acceleration is smooth (not CPU-bound).
- Metal is reported in System Information.
- No GPU-related kernel panics on boot.
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Original Question: "Sleep in Catalina does not work with unused GFX in pc."
Hi
So im kinda forced to update soon, so im working on getting my catalina build working and moving on from Nvidia.
I almost have sleep working, i just have a minor issue. If i have my graphics card in the PC, then sleep will not be working. However if i take it out sleep will be working just fine.
What i can read online it might have something to do with HDMI ports making a kernal panic - however i cannot find a way to fix this.
I hope some one can help
My system is: I5 - 8600k UHD 360 GTX 970 (not being used) Z370-A pro motherboard Omni soundblaster 5.1 for sound
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