Opencore Black screen on HDMI once the installer starts

[Feartech]

I tried adding -igfxvesa but the problem remains.
Might it be necessary to patch the type of connectors? How do I do it without IOReg?

you can't until you install macOS

there is mention of Arrandale here:

[Guide] Booting the OS X installer on LAPTOPS with Clover

Overview One of the first challenges you'll face in installing OS X to your laptop will involve getting the OS X installer to boot from USB. This guide is for those wishing to use Clover (and in fact the only bootloader supported here). Both installing using Clover UEFI and Clover legacy are...

www.tonymacx86.com

 

[xRhino06]

you can't until you install macOS

there is mention of Arrandale here:

[Guide] Booting the OS X installer on LAPTOPS with Clover

Overview One of the first challenges you'll face in installing OS X to your laptop will involve getting the OS X installer to boot from USB. This guide is for those wishing to use Clover (and in fact the only bootloader supported here). Both installing using Clover UEFI and Clover legacy are...

www.tonymacx86.com

Ok, I'll try this weekend to create EFI with Clover.

 

[xRhino06]

Colver boots into Boot Maintenance Manager.
The USB stick is formatted in HFS+ with GPT partition table.
I attach the EFI and the options I selected during installation.

 

[Feartech]

Colver boots into Boot Maintenance Manager.
The USB stick is formatted in HFS+ with GPT partition table.
I attach the EFI and the options I selected during installation.View attachment 578904View attachment 578905

may also best to use a config.plist from Rehabman as well

 

[xRhino06]

may also best to use a config.plist from Rehabman as well

Which Rehabman's config.plist should I use exactly?

 

[Feartech]

Which Rehabman's config.plist should I use exactly?

maybe one of the older ones:

GitHub - RehabMan/OS-X-Clover-Laptop-Config: Some Clover config.plist files for common Intel graphics configurations

Some Clover config.plist files for common Intel graphics configurations - RehabMan/OS-X-Clover-Laptop-Config

github.com

and you will have to change smbios accordingly to your hardware

 

[xRhino06]

maybe one of the older ones:

GitHub - RehabMan/OS-X-Clover-Laptop-Config: Some Clover config.plist files for common Intel graphics configurations

Some Clover config.plist files for common Intel graphics configurations - RehabMan/OS-X-Clover-Laptop-Config

github.com

and you will have to change smbios accordingly to your hardware

But they start from skylake.

 

[Feartech]

But they start from skylake.

the HD3000 is not a skylake, try that one

 

[xRhino06]

the HD3000 is not a skylake, try that one

same problem.

 

[xRhino06]

I managed to get clover working but the problem of the external screen turning off remains. I also already tried with the igfxonln=1 and -igfxvesa boot options.