How to Fix Displayport not working with gtx 1080, but hdmi works
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 is natively supported via WhateverGreen docs.
- Update kexts: Ensure Lilu and WhateverGreen are current.
- Check boot arguments: Add
-v keepsyms=1 debug=0x100for debugging, oragdpmod=pikerafor AMD. - Test Metal: About This Mac > System Report > Graphics.
Verification
- Graphics acceleration is smooth.
- Metal is reported in System Information.
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Original Question: "Displayport not working with gtx 1080, but hdmi works"
Hello, I want to get my display port cable to work with my build:
CPU: Ryzen 7 3700x
Graphics: Nvidia gtx 1080
Mac OS: High Sierra (17G14033)
Motherboard: Asrock x570 Phantom Gaming 4
Monitor: LG 27ul850-w
When booting using the hdmi cable I see the Opencore boot options (screen to boot into macos or linux), but when booting with the displayport cable it just says no signal and doesn't even show the Asrock logo to go into bios.
Nvidia drivers have been updated on MacOS and everything works properly with HDMI, but using Displayport it just says no signal.
I know the display ports work on both graphics card and monitor because it works using Linux on the same computer.
Here is my [Link removed to comply with Google AdSense and copyright guidelines] + [Link removed to comply with Google AdSense and copyright guidelines]
Any help appreciated.
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