Black Screen during startup (no more display after Apple Logo)

[zindie]

Hi,

I updated my system to Monterey, and I take another EFI from my configuration (taken on this page https://www.tonymacx86.com/threads/...00-xt-big-sur-monterey-opencore-0-7-8.316448/)

On startup, OpenCore display my partition and I can start it.
The Apple logo is then displayed, the startup begins.
But, after a moment the screen lost the display signal and turns to black (the display say that's no more signal).

My config:
OpenCore
Gigabyte Z390 Aorus Pro , bios version F12
Gigabyte Aorus RX 580
i7 9700

 

[Feartech]

Hi,

I updated my system to Monterey, and I take another EFI from my configuration (taken on this page https://www.tonymacx86.com/threads/...00-xt-big-sur-monterey-opencore-0-7-8.316448/)

On startup, the Apple logo is displayed, the startup begins. After a moment the screen turns to black (the display say that's no more signal). I think I have a driver's problem.

My config:
Gigabyte Aorus Pro , bios version F12
Aorus RX 580
i7 9700

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[zindie]

done

 

[zindie]

I attach the EFI I used

 

[UtterDisbelief]

I attach the EFI I used

Hi there.

There are three things I would try:

1) Change the Misc/Security/SecureBootModel setting in your config.plist to "Disabled".

2) Disable the following kexts - SMCRadeonGPU.kext & RadeonSensor.kext. They might be fine, but try without just in case one is interfering. If nothing changes you can always re-enable them.

3) Perhaps remove the NVRAM boot command - "agdpmod=pikera" - because you should not need it with an RX580.

 

[zindie]

Hi there.

There are three things I would try:

1) Change the Misc/Security/SecureBootModel setting in your config.plist to "Disabled".

2) Disable the following kexts - SMCRadeonGPU.kext & RadeonSensor.kext. They might be fine, but try without just in case one is interfering. If nothing changes you can always re-enable them.

3) Perhaps remove the NVRAM boot command - "agdpmod=pikera" - because you should not need it with an RX580.

I tried the first advice (secure boot model): nothing change
I tried 2 & 3: I can boot without black screen. Yeah!

I will re enable the kexts to see if the cause is (2) a kext problem or the (3) "agdpmod=pikera" option

Disabling the SMCRadeonGPU.kext & RadeonSensor.kext is a problem with my config ?

 

[zindie]

I re enable the two kext and it works
So, it was the "agdpmod=pikera" option

 

[Feartech]

I re enable the two kext and it works
So, it was the "agdpmod=pikera" option

agdpmod=pikera is for 6000 series AMD cards

glad you got it sorted

 

[zindie]

Now I see that I do not have all of my usb ports (however, I have the same board and bios version of the author of the ssdt).

I do not know how the check that

 

[Feartech]

Now I see that I do not have all of my usb ports (however, I have the same board and bios version of the author of the ssdt).

I do not know how the check that

The New Beginner's Guide to USB Port Configuration

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