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Here's an update in case anyone reading this has any ideas, or a similar problem. First, I wanted to check that all my hardware still worked, so I cloned a working Windows 10 boot disk (using AOMEI backupper) and attempted to boot my Hackintosh from that disk. Here's where it get strange...

Thanks for the response. I am using (and have always used) UEFI boot mode. The card was just purchased (from Amazon) so I wouldn't expect it to be an older one. I don't have Windows or Ubuntu/Linux installed to test the card on those OS. I suppose I could try Legacy boot mode. I've never...

Still having black screen problem with Sapphire Pulse Radeon RX 580 and High Sierra. Long post here, but I want to be clear on what I've tried already to get this working. If this is not the correct thread, please direct me to the best place to post this. Like quite a few people here, I...

Thanks for the suggestion. Already updated that when I did my upgrade to High Sierra. Currently set to iMac14,2 : )

Further update: the setting that sounds most similar on my board is EHCI Hand-off. I have tried booting with this both enabled and disabled. I have also tried injecting latest Lilu and WhateverGreen kexts, as recommended. So far no luck...

Reporting back: The only of these settings I can find in the BIOS settings for my board are disabling CSM launch (in the Advanced/Boot menu). When I do that (after restoring defaults) there are no bootable devices at all on my system, not my newly created USB nor any of my previously working...

Thanks for the reply. In early troubleshooting I disabled CSM Support (I ran into this suggestion on another thread) and could not boot to Clover startup screen at all. I will try as you recommend, but the reason I did not try that when I ran into it on this thread was because of that result...

Hello! My build, dating from early 2015, has served me fine. However my original graphics card (EVGA GeForce GTX 760) was beginning to fail. From my basic research, I concluded that the currently recommended Radeon RX 580 Sapphire 8GB should work natively with High Sierra. I successfully...

Update: I followed the problem reporting instructions here very carefully: https://www.tonymacx86.com/threads/no-audio-devices-realtek-alc-applehda-guide.143752/#post886726. toleda was responsive and helpful and within 2 posts had my audio working. The key step for my configuration was (Link)...

That worked. Thank you so much for your troubleshooting!

Thank you for the response, toleda! I did as you said and verified; progress but not there yet. Still no audio devices. All questions updated below, with new files attached. (By the way I tried to follow post #1 I.6.3. Verify AppleHDA.kext version and codec name but wasn’t sure what the...

Hello and thanks. Relatively new to this, I have attempted to follow all problem reporting instructions correctly. If I have not at any point please advise and I will remedy. My responses are in italics. II. Problem Reporting (post to this thread with files) 1. Description of audio...

Discouraging to see this, 3DTOPO. I'm having exactly the same issue and have been stuck for a week trying to get a successful audio driver installed. I've tried to follow the instructions on https://www.tonymacx86.com/threads/no-audio-devices-realtek-alc-applehda-guide.143752/#post886726. So...

Hello, I am relatively new to this, but got my first build working (Yosemite/Chimera) in early 2015 and it has been stable since. Attempting upgrade to El Cap/Clover. System Info: Mobo:ASUS Sabertooth X79 CPU:Core Xeon-E5-2680 v2 Graphics:EVGA GeForce GTX 760 Other Hardware:2 x Corsair...

@dnovosad Thanks for the thorough information. Sorry this thread never got updated; I got the system working in January and it's been stable ever since. I did save all this for future reference in case it becomes relevant. Thanks for taking the time to post!

Hello, I have been troubleshooting my sound with a new installation and had to make this same change, so I wondered if that was the problem. However, I have my sound working now with the KernelCache set to "No" in my p-list, so in my case this was not the problem. Massively helpful in my...

Thanks, Gordo, I made the change and yes that did solve it. You have my gratitude. This may seem simple to veterans but it's all new to me. Still haven't found details on boot flag -f in the wiki, but I gather that is what it does. Anyhow, onward. And much appreciated!

[Bump] Anyone? If I don't get help here I will start all over and try an install with Clover. But it seems like I'm close here so last shot at getting a next step from someone. Thanks.

[Bump] Again it would be great to get some help here. Miles started to point me in the right direction, but Miles seems to have moved on and I just discovered I am too new to PM to get his attention. This is my first time doing this and the process does not seem like a person should just be...