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AppleHDA HDMI Audio [Guide]

Still no HDMI devices
ssdt fix did not work.
Choices:
1. Edit dsdt, remove 5 lines as shown:
Code:
        BNUM,   8,

                Device (D05B)
                {
                    Name (_ADR, Zero)
                }
Compile, save, restart, reply with new files.
2. Restore NvidiaGraphicsFixup.kext.
If no HDMI audio, post to NvidiaGraphicsFixup.kext developer site.
 
2. Restore NvidiaGraphicsFixup.kext.
Restored with kexbeast
still no HDMI devices
Is this the good place to post my NvidiaGraphicsFixup.kext problem : https://sourceforge.net/projects/nvidiagraphicsfixup/support?source=navbar
I saw that a NvidiaGraphicsFixup.kext 1.2.2 is ready (mine is 1.2.1) -> should I try it ?

1. Edit dsdt, remove 5 lines as shown:
a little difficult for me
what tool is used to edit and compile simply on 10.13.2 (I tried dsdt editor but asked me an older java version) ?
 
Last edited:
Unable to get sound
Script: Error: discrete graphics card not found, unknown acpi PCI0 name
Cause: graphics card in x4 slot, move to x16 slot.
Remove HDAEnabler1.kext
restart, run cloverHDMI, reply with new files.
 
Hi toleda,

Thanks for your reply.

Changed graphics card to other slot, removed HDAEnabler1.kext, restarted and ran cloverHDMI (which passed!)

Now the Sound>Output list is empty, so no sound through headphones or HDMI.

I've attached new files.

Thanks again.
 
Post #1/III. Tools/4. MaciASL
Post #1/IV. Problem Reporting/8. MaciASL ...
OK many thanks !
I guess it will take a while before learning how to disassembly/modify/compile - Will let you know if I success the opération !

Should I first disassembly SSDT-HDMI-NVIDIA-PEG0-D05B.aml with MaciASL or need to extract something before ?
 
it will take a while before learning how to disassembly/modify/compile
Word? Same.
dsdt source is a text file
Use Find
Use Cut
Compile
Save as binary to EFI/CLOVER/ACPI/patched/DSDT.aml
5 minutes or less
Should I first disassembly SSDT-HDMI-NVIDIA-PEG0-D05B.aml with MaciASL
No, remove.
MaciASL loads the dsdt automatically
 
Last edited:
dsdt source is a text file

Got a error message when opening SSDT-HDMI-NVIDIA-PEG0-D05B.aml with MaciASL
whereas I can open SSDT-HDMI-NVIDIA-PEG0.aml
 

Attachments

  • iASL error.png
    iASL error.png
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  • LGS’s iMac.acpi
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