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[solved] Laptop Screen Brightness not Working :(

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Joined
Nov 2, 2017
Messages
10
Motherboard
Lenovo 80QQ
CPU
Intel® Core™ i5-5200U
Graphics
Intel HD Graphics 5500
Mac
  1. MacBook Pro
Mobile Phone
  1. iOS
Hey Guys,

I have reinstalled macOS Sierra a couple of times in my laptop. The Brightness Adjustments has WORKED before in macOS Sierra but I am unable to make it work again now.

Laptop Model: Lenovo Ideapad 100-15IBD
Graphics: Intel HD Graphics 5500 with VRAM of 1536mb
CPU: Intel Core-i5 5200U

What I Did:
Clover (EFI Folder):
1) Extracted DSDT From Clover using F4 Function
2) Moved the DSDT file from Origin to Patched in EFI Directory
3) Patched DSDT using MaciASL ([bat] Lenovo Ideapad-100) & ([igpu] Brightness Fix (Haswell/Broadwell))

Clover Configurator:

1) Graphics> ig-platform-id:0x16260006, Inject Intel & Inject EDID
2) Kernel and Kext Patches> [AppleIntelBDWGraphicsFramebuffer] [8945C839C7764F] [8945C839C7EB4F]

Kext:
1) I have Installed ACPI Backlight Kext from Rehabman's Repo

What Works:
1) Brightness Slider in System Preferences
2) Brightness Keys in Keyboard
What Doesn't Work:
1) Laptop Screen is not changing Brightness at all although the slider is there

I have attached the Problem Reporting Files Below.
Please Help ASAP.

Thanks
 

Attachments

  • Problem Reporting Files [02:11:01].zip
    2.4 MB · Views: 168
Hey Guys,

I have reinstalled macOS Sierra a couple of times in my laptop. The Brightness Adjustments has WORKED before in macOS Sierra but I am unable to make it work again now.

Laptop Model: Lenovo Ideapad 100-15IBD
Graphics: Intel HD Graphics 5500 with VRAM of 1536mb
CPU: Intel Core-i5 5200U

What I Did:
Clover (EFI Folder):
1) Extracted DSDT From Clover using F4 Function
2) Moved the DSDT file from Origin to Patched in EFI Directory
3) Patched DSDT using MaciASL ([bat] Lenovo Ideapad-100) & ([igpu] Brightness Fix (Haswell/Broadwell))

Clover Configurator:

1) Graphics> ig-platform-id:0x16260006, Inject Intel & Inject EDID
2) Kernel and Kext Patches> [AppleIntelBDWGraphicsFramebuffer] [8945C839C7764F] [8945C839C7EB4F]

Kext:
1) I have Installed ACPI Backlight Kext from Rehabman's Repo

What Works:
1) Brightness Slider in System Preferences
2) Brightness Keys in Keyboard
What Doesn't Work:
1) Laptop Screen is not changing Brightness at all although the slider is there

I have attached the Problem Reporting Files Below.
Please Help ASAP.

Thanks
https://www.tonymacx86.com/threads/...rol-using-applebacklightinjector-kext.218222/

a patch for AppleBacklight in config.plist/KernelAndKextPatches/KextsToPatch is what you need and:
SSDT-PNLF.aml to activate the AppleBacklight kext

infact, read up the link above and follow as written :)
 
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