KentLoh Posted June 3, 2020 Share Posted June 3, 2020 my Dell 7040 HDMI sound no function , only Speaker (Internal) working . Quote Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted June 3, 2020 Moderators Share Posted June 3, 2020 Check for the following: Does the monitor have built in audio? Are you connected via DP / HDMI cable? Did you click on the Sound icon and switch it to HDMI / DP audio? Post IOReg file and state what connection is being use https://raw.githubusercontent.com/black-dragon74/OSX-Debug/master/IORegistryExplorer.zip Quote Link to comment Share on other sites More sharing options...
KentLoh Posted June 4, 2020 Author Share Posted June 4, 2020 My monitor have built in audio, now I connected by HDMI, Mic no function also. DELL7040 SFF.ioreg Quote Link to comment Share on other sites More sharing options...
KentLoh Posted June 4, 2020 Author Share Posted June 4, 2020 This is my EFI file: EFI-dell 7040-ok.zip Quote Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted June 4, 2020 Moderators Share Posted June 4, 2020 Patch for HDMI already set in the Config file, not sure why it's not applying. According to the IOReg file, port 0x5 is still showing as DisplayPort. Are you booting with different sets of files than what is posted? For mic, try different audio layout-id. You currently have it set to 11 Try 3, 13, 17, 27 Quote Link to comment Share on other sites More sharing options...
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