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Alienware 17 (mid 2013) - macOS Sierra Installation help!

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OK will try for audio and get back to you. Can you please tell me where to go for Nvidia graphics issue. I installed the web drivers but I m getting a garbled screen on startup. I used the patch for IOGraphicsFamily from the common problems in sierra link. But still no luck.

But just for reference, I have a Realtek alc1336 audio, with 3 jacks. If I can get a proper solution for this then I would be helpful because my card also has dolby support.
 
Maingear
ROG STRIX Z370-E GAMING |  i7 8700K |  RX 580 Pulse 8GB
anirudhlath518 said:
OK will try for audio and get back to you. Can you please tell me where to go for Nvidia graphics issue. I installed the web drivers but I m getting a garbled screen on startup. I used the patch for IOGraphicsFamily from the common problems in sierra link. But still no luck.

But just for reference, I have a Realtek alc1336 audio, with 3 jacks. If I can get a proper solution for this then I would be helpful because my card also has dolby support.
Click to expand...

No experience/advice for Nvidia. I have no such hardware and have no plans to purchase it.
 
anirudhlath518 said:
installed alc668 with audio id 3 but no luck
Click to expand...

Let's see what you actually did...

Attach ioreg as ZIP: http://www.tonymacx86.com/audio/58368-guide-how-make-copy-ioreg.html. Please, use the IORegistryExplorer v2.1 attached to the post! DO NOT reply with an ioreg from any other version of IORegistryExplorer.app.

Provide output (in Terminal):
Code: 
kextstat|grep -y acpiplat
kextstat|grep -y appleintelcpu
kextstat|grep -y applelpc
kextstat|grep -y applehda

Attach EFI/Clover folder as ZIP (press F4 at main Clover screen before collecting). Please eliminate 'themes' directory. Provide only EFI/Clover, not the entire EFI folder.

Attach output of (in Terminal):
Code: 
sudo touch /System/Library/Extensions && sudo kextcache -u /

Compress all files as ZIP. Do not use external links. Attach all files using site attachments only.
 
anirudhlath518 said:
PFA
Click to expand...

You can see clearly in the kextcache output that the audio kexts are corrupt (amongst other problems):
Code: 
kext-dev-mode allowing invalid signature -67013 0xFFFFFFFFFFFEFA3B for kext AppleHDAController.kext
...
kxld[com.apple.driver.AppleHDAController]: The following symbols are unresolved for this kext:
kxld[com.apple.driver.AppleHDAController]:     _gAudioStackDebugFlags
Link failed (error code 5).
Prelink failed for com.apple.driver.AppleHDAController; omitting from prelinked kernel.
 
How do I fix that? I re patched it with appleHDApatcher by dragging alc668 folder to it.
Code: 
kext-dev-mode allowing invalid signature -67013 0xFFFFFFFFFFFEFA3B for kext AppleHDAController.kext
BrcmPatchRAM2.kext - dependency 'com.no-one.BrcmFirmwareStore' not found.
BrcmPatchRAM2.kext - dependency 'com.no-one.BrcmFirmwareStore' not found.
Prelink failed for com.no-one.BrcmPatchRAM2; omitting from prelinked kernel.
kxld[com.apple.driver.AppleHDAController]: The following symbols are unresolved for this kext:
kxld[com.apple.driver.AppleHDAController]:     _gAudioStackDebugFlags
Link failed (error code 5).
Prelink failed for com.apple.driver.AppleHDAController; omitting from prelinked kernel.
KernelCache ID: C36018B83F2D77E7DDC58FF9C5AA36CF
symlink("/System/Library/PrelinkedKernels/prelinkedkernel", "/System/Library/Caches/com.apple.kext.caches/Startup/kernelcache") failed 17 (File exists) <createPrelinkedKernel 2795>
 
Maingear
ROG STRIX Z370-E GAMING |  i7 8700K |  RX 580 Pulse 8GB
anirudhlath518 said:
How do I fix that? I re patched it with appleHDApatcher by dragging alc668 folder to it.
Code: 
kext-dev-mode allowing invalid signature -67013 0xFFFFFFFFFFFEFA3B for kext AppleHDAController.kext
BrcmPatchRAM2.kext - dependency 'com.no-one.BrcmFirmwareStore' not found.
BrcmPatchRAM2.kext - dependency 'com.no-one.BrcmFirmwareStore' not found.
Prelink failed for com.no-one.BrcmPatchRAM2; omitting from prelinked kernel.
kxld[com.apple.driver.AppleHDAController]: The following symbols are unresolved for this kext:
kxld[com.apple.driver.AppleHDAController]:     _gAudioStackDebugFlags
Link failed (error code 5).
Prelink failed for com.apple.driver.AppleHDAController; omitting from prelinked kernel.
KernelCache ID: C36018B83F2D77E7DDC58FF9C5AA36CF
symlink("/System/Library/PrelinkedKernels/prelinkedkernel", "/System/Library/Caches/com.apple.kext.caches/Startup/kernelcache") failed 17 (File exists) <createPrelinkedKernel 2795>
Click to expand...

Restore AppleHDA.kext to vanilla. Start over on your AppleHDA process.
 
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