[Dell Vostro 3558]Mojave 10.14.1 Realtek ALC 255 No audio/Synaptics I2C Touchpad

Discussion in 'Mojave Laptop Support' started by foliasis, Dec 5, 2018 at 6:01 AM.

  1. foliasis

    foliasis

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    Dec 5, 2018 at 6:01 AM #1
    foliasis

    foliasis

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    Hi this is my first post on this forum. Please correct me if I make mistakes or break forum rules.

    I have successfully installed Mojave 10.4 on my Dell Vostro 3558 (Intel Corei3-4005U/Realtek ALC255/I2C-HID Touchpad Synaptics-Dell). Previously I was able to use I2C Trackpad and audio in High Sierra using VoodooI2C with DSDT Patch and ApplePS2SmartTouchpad.kext and the audio by using HDAPatcher(MironeAudio) and using the patched kexts and config.plist and DSDT patch.

    However in Mojave I am unable to get audio using HDA Patcher or Apple ALC using layout 2
    Also its not relevant to this post but I am unable to get I2C Touchpad working. I tried VoodooI2C and related files, AppleSmartTouchpad.kext. The touchpad works using VoodooPS2controller.kext but there is no tap to click or gestures.

    I will be very glad and indebted if you van help me with my issues.

    Thank you

    PS. I have uploaded the IOReg files
     
    samiewami04 likes this.

    Attached Files:

  2. foliasis

    foliasis

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    Dec 5, 2018 at 1:33 PM #2
    foliasis

    foliasis

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    @RehabMan Can I have your attention to my post? Thanking you in anticipation.
     
  3. RehabMan

    RehabMan Moderator

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    Dec 5, 2018 at 1:35 PM #3
    RehabMan

    RehabMan Moderator

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    Use AppleALC.kext.
    Refer to the FAQ:
    https://www.tonymacx86.com/threads/faq-read-first-laptop-frequent-questions.164990/
     
  4. foliasis

    foliasis

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    Dec 5, 2018 at 2:47 PM #4
    foliasis

    foliasis

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    Thanks @RehabMan for your prompt reply. I had gone through the post that you have mentioned and tried
    1. AppleALC method+Lilu and inject layout 2 in config.plist under Devices/Properties. But no audio output devices detected.

    The kext output shows some error which I have uploaded in the text file in the zip.

    2. I tried AppleHDA patcher method (which worked for me in High Sierra) still no audio output devices.

    Thanks again
     
  5. RehabMan

    RehabMan Moderator

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    Dec 5, 2018 at 6:18 PM #5
    RehabMan

    RehabMan Moderator

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    No "Problem Reporting" files attached.
    Read FAQ, "Problem Reporting" again. Carefully. Attach all requested files/output.
    https://www.tonymacx86.com/threads/faq-read-first-laptop-frequent-questions.164990/
    Use the gen_debug.sh tool mentioned in the FAQ, that way it is less likely you'll omit something.
     
  6. foliasis

    foliasis

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    Dec 6, 2018 at 4:20 AM #6
    foliasis

    foliasis

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    I had attached all the files that you mentioned in the given post in my OP. But I did that manually. Tell me those files are enough. Else I will upload the debug.zip file using the .sh file given later in the post in a few hours when I get back from duty.
     
  7. foliasis

    foliasis

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    Dec 6, 2018 at 10:22 AM #7
    foliasis

    foliasis

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  8. RehabMan

    RehabMan Moderator

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    Dec 6, 2018 at 2:15 PM #8
    RehabMan

    RehabMan Moderator

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    You're not injecting a layout-id. You have it commented out in your config.plist/Devices/Properties (#layout-id).
     
  9. samiewami04

    samiewami04

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    Dec 7, 2018 at 7:28 AM #9
    samiewami04

    samiewami04

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    I have the same audio (ALC 255) try this:

    1. revert back your AppleHDA.kext in System/Library/Extensions to its original unpatched version from Apple. you can do that by 2 ways: download the original unpatched AppleHDA.kext of the version of MacOS Mojave you have somewhere on the internet or update your MacOS Mojave and the update will do that automatically.
    2. Install the latest Lilu.kext, AppleALC.kext and Codec Commander.kext to Library/Extensions folder
    3. Put Layout ID 3 in config.plist file.
    4. rebuild kextcache by opening Terminal, typing and entering:
    sudo kextcache -i /
    5. restart
    6. enjoy ;)

    If the above did not work, add the latest Whatevergreen.kext in Library/Extensions with Lilu, AppleALC and Codec Commander and change your config.plist file to a Whatevergreen config.plist. Enable layout ID 3 under Device/Properties in the Whatevergreen config.plist, restart, enjoy ;)
     
    Last edited: Dec 7, 2018 at 8:46 PM
  10. arehep

    arehep

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    Dec 7, 2018 at 8:42 AM #10
    arehep

    arehep

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    Codeccommander is not needed using latest AppleALC (actually since v.1.2.5)
    https://github.com/acidanthera/AppleALC/wiki/Frequently-Asked-Questions
    https://github.com/acidanthera/AppleALC/blob/master/Changelog.md
     
    samiewami04 likes this.
    Last edited: Dec 7, 2018 at 8:58 AM

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