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HD620 i7 7500u QHD+ Only show a quarter of screen

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widmonsterTony

widmonsterTony

Joined
Sep 12, 2017
Messages
16
Motherboard
Porsche Design Book One
CPU
i7-7500u
Graphics
HD620 (3200 x 1800)
Mobile Phone
  1. iOS
021607zh3cccz9cxq5udzc.jpg

I have patched the patch the pixel clock limit.
I also used the config from RehabMan for 10.12.6 and Kaby Lake.
I also include the Lilu and intelstartupfix.
My Laptop is: Phrsche Design Book One
I7 7500U with HD620 and a QHD+ Screen (3200x1800).
I can only get into the system with a fakeid of 0x12345678 and no graphic acceleration.
Does anyone know What I need do to fix this problem?
 

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widmonsterTony said:
021607zh3cccz9cxq5udzc.jpg

I have patched the patch the pixel clock limit.
I also used the config from RehabMan for 10.12.6 and Kaby Lake.
I also include the Lilu and intelstartupfix.
My Laptop is: Phrsche Design Book One
I7 7500U with HD620 and a QHD+ Screen (3200x1800).
I can only get into the system with a fakeid of 0x12345678 and no graphic acceleration.
Does anyone know What I need do to fix this problem?
Click to expand...

What is 'intelstartupfix'?
Did you implement backlight control?
What is DVMT-prealloc set to?
Did you try injecting EDID?
Is legacy boot/CSM enabled?
 
RehabMan said:
What is 'intelstartupfix'?
Did you implement backlight control?
What is DVMT-prealloc set to?
Did you try injecting EDID?
Is legacy boot/CSM enabled?
Click to expand...

Sorry I mean the IntelGraphicsFixup and IntelGraphicsDVMTFixup for Lilu.
I have disabled the legacy boot. Should I enable it?
And shoud I try to inject EDID to fix this problem?
 
RehabMan said:
What is DVMT-prealloc set to?
Click to expand...
I have no idea how to change the DVMT-prealloc size in BIOS. Should I set it to 128mb or will the config.plist from you already fix this problem.
 
widmonsterTony said:
I have no idea how to change the DVMT-prealloc size in BIOS. Should I set it to 128mb or will the config.plist from you already fix this problem.
Click to expand...

Your problem with the display may be related to DVMT.
Change it to 64mb (or 128mb) if you can, then remove the 32mb DVMT patch from config.plist (or disable it).
 
RehabMan said:
Your problem with the display may be related to DVMT.
Change it to 64mb (or 128mb) if you can, then remove the 32mb DVMT patch from config.plist (or disable it).
Click to expand...

Will minStoleSize patch or patch the framebuffer be less risky than change DVMT-prealloc?
 
widmonsterTony said:
Will minStoleSize patch or patch the framebuffer be less risky than change DVMT-prealloc?
Click to expand...

Changing DVMT-prealloc is not risky if your BIOS provides an option to change it.
 
RehabMan said:
Keep in mind both of those kexts require a matching Lilu.kext.
Click to expand...
I use Lilu 1.1.7 and IntelGraphicsFixup 1.1.7 and IntelGraphicsDVMTFixup 1.1.8. They are all the newest ones should they should match right?
 
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