DP sound has gone on UHD620

Q: What is a Hackintosh?

A non-Apple computer configured to run macOS using compatible PC hardware combined with a custom bootloader and configuration files to emulate a real Mac environment.

Q: Is building a Hackintosh legal?

Installing macOS on non-Apple hardware violates Apple’s End User License Agreement (EULA). It is generally not illegal for personal experimentation but not permitted for commercial use.

Q: What hardware is best for a Hackintosh?

The best hardware closely matches real Apple systems, with Intel CPUs (6th Gen to Core Ultra), AMD Radeon GPUs, compatible chipsets, and Intel-based Wi-Fi cards offering higher success rates.

Q: Can I build a Hackintosh with an AMD CPU?

Yes, macOS can run on AMD Ryzen CPUs using kernel patches, but Intel CPUs provide better native compatibility.

Q: What is OpenCore?

OpenCore is a modern Hackintosh bootloader that provides near-native macOS behavior and is the recommended bootloader for new installations.

Q: Is Clover still supported?

Yes, Clover is still supported but less recommended compared to OpenCore for modern systems.

Q: Which macOS versions support Hackintosh?

Hackintosh systems support macOS versions from Leopard up to recent releases, depending on hardware compatibility.

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Only older NVIDIA GPUs work on older macOS versions; modern NVIDIA GPUs are incompatible with current macOS releases due to lack of driver support.

Q: What is an EFI folder?

The EFI folder contains the bootloader, drivers, kexts, and configuration files required to boot macOS on a Hackintosh.

Q: What are kexts?

Kexts (kernel extensions) are drivers that enable hardware functionality such as audio, Ethernet, USB, and graphics.

bbiktop · June 2, 2020

Hi there,

I've got gb brix gb-bri7-8550 with 8550 cpu and ALC255 codec. Also have uhd4k display with speakers, connected to it via dp. Everything was working fine for months (or even years) till now. Cannot understand when and what was the reason, but now dp sound on the monitor does not work. There's just no device in the settings. LineOut audio is working well though.
I didn't use sound on it for several months, but installed updates etc so cannot tell when it exactly happened.
I use clover 5118, latest weg/lilu/applealc, 10.15.5. The "Devices" section in the config is simple:

key>Devices</key>
        <dict>
                <key>Audio</key>
                <dict>
                        <key>##ALC255</key>
                        <string>3, 11, 13, 15, 17, 18, 21, 27, 28, 30, 31, 99</string>
                        <key>AFGLowPowerState</key>
                        <false/>
                        <key>Inject</key>
                        <integer>15</integer>
                        <key>ResetHDA</key>
                        <false/>
                </dict>
                <key>LANInjection</key>
                <false/>
                <key>Properties</key>
                <dict>
                        <key>PciRoot(0x0)/Pci(0x2,0x0)</key>
                        <dict>
                                <key>AAPL,ig-platform-id</key>
                                <data>AAAWWQ==</data>
                                <key>device-id</key>
                                <data>FlkAAA==</data>
                        </dict>
                </dict>
                <key>USB</key>
                <dict>
                        <key>AddClockID</key>
                        <false/>
                        <key>FixOwnership</key>
                        <false/>
                        <key>HighCurrent</key>
                        <false/>
                        <key>Inject</key>
                        <false/>
                </dict>
        </dict>

Please help

Edited June 2, 2020 by bbiktop

MaLd0n · June 2, 2020

Catalina 10.15.5?

bbiktop · June 2, 2020

1 minute ago, MaLd0n said:

Catalina 10.15.5?

Yes, but it started on 10.15.4, or even earlier. Cannot tell exactly when. Now I have everything updated to the latest version.

Edited June 2, 2020 by bbiktop

MaLd0n · June 2, 2020

creat patch with hackintool with hda-gfx entrie

bbiktop · June 2, 2020

5 minutes ago, MaLd0n said:

creat patch with hackintool with hda-gfx entrie

It is already onboard-1. Cannot attach ioreg due to size limit (
Well, added and still no dp in sound output:

        <key>Devices</key>
        <dict>
                <key>Audio</key>
                <dict>
                        <key>#ALC255</key>
                        <string>3, 11, 13, 15, 17, 18, 21, 27, 28, 30, 31, 99</string>
                        <key>AFGLowPowerState</key>
                        <false/>
                        <key>Inject</key>
                        <integer>15</integer>
                        <key>ResetHDA</key>
                        <false/>
                </dict>
                <key>LANInjection</key>
                <false/>
                <key>Properties</key>
                <dict>
                        <key>PciRoot(0x0)/Pci(0x2,0x0)</key>
                        <dict>
                                <key>AAPL,ig-platform-id</key>
                                <data>
                                AAAWWQ==
                                </data>
                                <key>device-id</key>
                                <data>
                                FlkAAA==
                                </data>
                                <key>hda-gfx</key>
                                <string>onboard-1</string>
                        </dict>
                </dict>
                <key>USB</key>
                <dict>
                        <key>AddClockID</key>
                        <false/>
                        <key>FixOwnership</key>
                        <false/>
                        <key>HighCurrent</key>
                        <false/>
                        <key>Inject</key>
                        <false/>
                </dict>
        </dict>

19 minutes ago, MaLd0n said:

creat patch with hackintool with hda-gfx entrie

https://file.io/uQp9Mn92 here it is. ty!

bbiktop · June 2, 2020

1 hour ago, MaLd0n said:

creat patch with hackintool with hda-gfx entrie

Well, made another properties with all options set and UHD630 instead of 617. Still does not work

                <key>Properties</key>
                <dict>
                        <key>PciRoot(0x0)/Pci(0x1F,0x3)</key>
                        <dict>
                                <key>AAPL,slot-name</key>
                                <string>Internal@0,31,3</string>
                                <key>device-id</key>
                                <data>
                                cKEAAA==
                                </data>
                                <key>device_type</key>
                                <string>Audio device</string>
                                <key>hda-gfx</key>
                                <string>onboard-1</string>
                                <key>layout-id</key>
                                <data>
                                DwAAAA==
                                </data>
                                <key>model</key>
                                <string>Apple HD Audio</string>
                        </dict>
                        <key>PciRoot(0x0)/Pci(0x2,0x0)</key>
                        <dict>
                                <key>AAPL,ig-platform-id</key>
                                <data>
                                CQClPg==
                                </data>
                                <key>AAPL,slot-name</key>
                                <string>Internal@0,2,0</string>
                                <key>device-id</key>
                                <data>
                                mz4AAA==
                                </data>
                                <key>enable-hdmi20</key>
                                <data>
                                AQAAAA==
                                </data>
                                <key>hda-gfx</key>
                                <string>onboard-1</string>
                        </dict>
                </dict>

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