5900x - RX6800 black screen

Kushino

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Jul 13, 2020
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Hi, as the title suggests, im having this problem: the computer shows a blackscreen after a lot of verbose strings.

Ryzen 9 5900x
Asus B550M Plus
Samsung 980 pro 512gb
32gb ram (16gb x 2) 3200MHz
AMD Radeon RX6800

Thanks in advance!

Here's the efi + some screens (cant make em better, i've used the slowmo on my phone, the screen is refreshing way too fast):1.jpg2.jpg
 

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  • config(2).plist
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Last edited:

Edhawk

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Post a copy of your EFI folder, not just your config.plist. As the config.plist doesn't tell the whole story when reviewing a borked hack.
 

Kushino

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sorry, the site didnt let me upload the zip
here’s the git repo

nb: the config is a little bit different from the one i provided here, the newest is this one(not the github one)
 

Edhawk

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All you need to do is compress/zip the EFI folder, to be able to attach it to a post on this site.

I have downloaded the config.plist from your Github site and made a number of changes, cleaning it up and adding some standard boot arguments etc.

One of the boot arguments I have added is 'npci=0x3000'. I have added this as you don't state whether you have enabled Above 4G Decoding in your bios. I have assumed you haven't.

You can use this config with your system, after you have added the SMBIOS Serial Number, MLB, ROM and SystemUUID entries. I would recommend you generate a SMBIOS for a MacPro7,1. I assume you know how to do this.
 

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  • config.plist.zip
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Edhawk

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Just so you know what you are working towards, I have attached a screenshot showing the EFI folder contents for a B550/12-core/AMD GPU system.

Screenshot 2023-12-12 at 23.05.45.png Use this screenshot as a base for creating your own OpenCore EFI.

The SSDT's (except SSDT-CPUR.aml) were all generated using the system DSDT.aml and Corpnewt's SSDTTime python script.

 

Kushino

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Jul 13, 2020
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I tried your config.plist, but nothing changes.

Instead, regarding the screenshot, the only thing that changes is the absence of the .aml files.


Anyway, previously I had a config for Ventura, which didn't need all those .aml files that are in the screenshot.

I also removed npci=0x3000 cause i have above 4g enabled in the bios.
Im attaching the current efi.
I cant figure out why it goes black like after 15 seconds.
Thanks!
PS: the problem yesterday was safari, now with Firefox I was able to upload the zip file.
 

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  • EFI.zip
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