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Dell mobile Precision 7510 Intel hd530, black screen


ss2sameer

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are you sure you set DVMT variable 0x432 to 0x3?
See here under the Prerequisites.
The command to set for this particular model with EFI Shell is
setup_var 0x432 0x3
 
After that you should have full QE/CI on intel display when you enable
InjectIntel
set ig-platform-id = 0x191b0000

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Hi

DVMT is set to 96mb i.e. 0x0432 0x3

QE/CI is there if inject intel is set to true and ig-platform-id = 0x191b0000

 

but internal laptop screen freezes at loading bar. OSX continues to boot and login screen appears on screen share and i see that QE/CI works.

 

Intel HD Graphics 530:

 

  Chipset Model: Intel HD Graphics 530

  Type: GPU

  Bus: Built-In

  VRAM (Dynamic, Max): 1536 MB

  Vendor: Intel (0x8086)

  Device ID: 0x191b

  Revision ID: 0x0006

  Displays:

Display:

  Resolution: 1280 x 1024 @ 60 Hz

  Pixel Depth: 32-Bit Color (ARGB8888)

  Main Display: Yes

 

 

post-99891-0-99921600-1481264865_thumb.jpg

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Ahh, you failed to mention you have 4K LCD

 

The switchable graphics / Optimus getting disabled is known.

The patch for RTC doesn't seem to be working which is the purpose of the patch.

I had tried the Clover RTC patch and patching the kext manually, neither work so far.

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Add this under KextToPatach for Sierra

<dict>
<key>Comment</key>
<string>Boot graphics glitch, 10.12.1</string>
<key>Disabled</key>
<false/>
<key>Find</key>
<data>
AQAAdSU=
</data>
<key>Name</key>
<string>IOGraphicsFamily</string>
<key>Replace</key>
<data>
AQAA6yU=
</data>
</dict>

this for El Capitan

<dict>
<key>Comment</key>
<string>Boot graphics glitch, 10.10.x/10.11.x</string>
<key>Find</key>
<data>
AQAAdRc=
</data>
<key>Name</key>
<string>IOGraphicsFamily</string>
<key>Replace</key>
<data>
AQAAdBc=
</data>
</dict>
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