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[HP 840 G2] Sleep wake Black Screen

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Your files show audio not working.
Make sure you read the ProBook guide to get audio properly working before testing other things.

the audio system works. Sometimes it is simply not possible after reboot. It does not work once
 
Your files show audio not working.
Make sure you read the ProBook guide to get audio properly working before testing other things.

Now working audio, not working sleep.
 

Attachments

  • debug_4379.zip
    2 MB · Views: 103
the audio system works. Sometimes it is simply not possible after reboot. It does not work once

The files you attached prove is it not working.
If you wish to provide files that show it working, you must attach new files.
 
The files you attached prove is it not working.
If you wish to provide files that show it working, you must attach new files.
 

Attachments

  • debug_4379.zip
    2 MB · Views: 88

Try AptioMemoryFix.efi instead of OsxAptioFixDrv-64.efi.
Try other SMBIOS, for example MacBookPor11,1 or MacBookAir6,2.
 
Try AptioMemoryFix.efi instead of OsxAptioFixDrv-64.efi.
Try other SMBIOS, for example MacBookPor11,1 or MacBookAir6,2.

I tested your suggestions, I still have a black screen.
 

Attachments

  • debug_24337_macbookpro11-1.zip
    2.1 MB · Views: 94
  • debug_9314_changeapito.zip
    2 MB · Views: 105
  • debug_2222_macbookair6-2.zip
    2.1 MB · Views: 83
I tested your suggestions, I still have a black screen.

You could try different ig-platform-id values, or patching EDID.
Beyond that, mo other ideas.
 
You could try different ig-platform-id values, or patching EDID.
Beyond that, mo other ideas.

I tried FixEDID from Darwindump, I changed Inject Edid it did not help. How do I change ig-platform-id? In Clover? What values to set?
 
I tried FixEDID from Darwindump, I changed Inject Edid

You should inject EDID with Clover, or ACPI.
Or use EDID in display override file.

How do I change ig-platform-id? In Clover? What values to set?

You can set a custom ig-platform-id in your model specific SSDT (see comments regarding RMCF.IGPI).
Or you can disable it by setting RMCF.IGPI to Ones, and then use Clover injection for ig-platform-id.
 
You should inject EDID with Clover, or ACPI.
Or use EDID in display override file.



You can set a custom ig-platform-id in your model specific SSDT (see comments regarding RMCF.IGPI).
Or you can disable it by setting RMCF.IGPI to Ones, and then use Clover injection for ig-platform-id.

I deleted /APCI/Patched/SSDT-IGPU.AML

In config.plist via xcode I set Graphic IG-PLATFORM to 0x16060000. Now everything is fine when waking up and waking up. But my laptop screen is terribly dark. The lighter / darker button does not work.

How can I solve this?
 
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