LG Gram 13 2017: Can't patch battery and brightness keys

Discussion in 'High Sierra Laptop Support' started by baohiep, Jun 12, 2018.

  1. baohiep

    baohiep

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    Jun 12, 2018 at 6:57 AM #1
    baohiep

    baohiep

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    I'm trying to patch DSDT to get working battery status and brightness keys. The strange things with this laptop are that I can't find any EmbeddedControl (battery) or _Q** (brightness keys). I don't know what to do now.
     

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  2. RehabMan

    RehabMan Moderator

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    Jun 13, 2018 at 8:09 PM #2
    RehabMan

    RehabMan Moderator

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    Your kextcache output proves kexts are not installed correctly.
    All kexts you need must be installed to the system volume.
    Read post #2 of the Clover guide for details:
    https://www.tonymacx86.com/threads/guide-booting-the-os-x-installer-on-laptops-with-clover.148093/

    No sign of ACPIBatteryManager.kext either.

    EmbeddedControl and battery methods are in SSDT-9-XnSsdt.aml.
     
  3. baohiep

    baohiep

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    Jun 14, 2018 at 4:54 PM #3
    baohiep

    baohiep

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    @RehabMan Battery is working now, brightness keys also work. However, brightness of the screen doesn't change either by FN keys or Settings/Displays.
     

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  4. RehabMan

    RehabMan Moderator

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    Jun 14, 2018 at 7:44 PM #4
    RehabMan

    RehabMan Moderator

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  5. baohiep

    baohiep

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    Jun 15, 2018 at 5:53 AM #5
    baohiep

    baohiep

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    @RehabMan I've done everything in that guide (kext patch, AppleBacklightInjector, SSDT, EDID), still not work
     
  6. baohiep

    baohiep

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    Jun 15, 2018 at 8:46 AM #6
    baohiep

    baohiep

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    After my laptop goes to sleep and wake up, brightness does work. Really strange
     
  7. RehabMan

    RehabMan Moderator

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    Jun 15, 2018 at 3:17 PM #7
    RehabMan

    RehabMan Moderator

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  8. baohiep

    baohiep

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    Jun 15, 2018 at 4:58 PM #8
    baohiep

    baohiep

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    @RehabMan Did you read what I posted? I've followed your guide and brightness only works after my laptop sleeps and wakes up.
     
  9. RehabMan

    RehabMan Moderator

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    Jun 21, 2018 at 3:07 PM #9
    RehabMan

    RehabMan Moderator

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    Any change requires new problem reporting files.
    None attached.
     

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