SOLVED BlackScreen after validating root dmg

[alenxba]

After booting "Install MacOS Monterey" and getting some fast messages after "validating root dmg" - no video input on monitor.
USB 2 Ports not working, getting "failed to get local signing public key e00002bc", only usb 3.0 can boot up to "validating root dmg".

PC Specs (Acer Veriton ES2710G):​

• CPU - I3-7100
• GPU - HD 630
• RAM - 1x8GB DDR4
• Motherboard - Acer H11H4-AI(KBL)
• Monitor - Connected with HDMI<->HDMI

BIOS:​

• VT - Enabled
• HyperThreading- Enabled
• Boot - UEFI
• SATA - ACHI
• Pre-Allocated GPU Memory: 128M
• CMS - Disabled
• SucureBoot - Disabled
• FastBoot - Disabled
• TPM (PTT) - Disabled (tried Enabled, not help)
• Serial-Port - Disabled
• XHCI-HandOff - missing option
• Above 4G Decoding - missing option
• CFG Lock - missing option

*Update*:​

On USB 3 also seeing "failed to get local signing public key e00002bc".
I tested swap USBToolBox with generated map on windows to USBInjectAll, same result.
Tried adding Driver "OpenVariableRuntime.efi", nothing change.

Tried add another frambuffers and conn config:

• framebuffer-con1-enable : 01000000
• framebuffer-con1-type : 00080000

and from my friend i5-7500 with HD-630 (With whatevergreen.kext):

• AAPL, ig-platform-id : 00001B59
• framebuffer-con1-alldata : 01050A00 00080000 87010000
• framebuffer-con1-enable : 01000000
• framebuffer-con1-alldata : 02040A00 00080000 87010000
• framebuffer-con1-enable : 01000000
• framebuffer-fbmem : 00009000
• framebuffer-patch-enable : 1
• frambuffer-stolenmem : 00003001

Added screenshot before "validating root dmg" (Sorry for bad quality):

 

[EliteMacx86]

After booting "Install MacOS Monterey" and getting some fast messages after "validating root dmg" - no video input on monitor.
USB 2 Ports not working, getting "failed to get local signing public key e00002bc", only usb 3.0 can boot up to "validating root dmg".

PC Specs (Acer Veriton ES2710G):​

• CPU - I3-7100
• GPU - HD 630
• RAM - 1x8GB DDR4
• Motherboard - Acer H11H4-AI(KBL)
• Monitor - Connected with HDMI<->HDMI

BIOS:​

• VT - Enabled
• HyperThreading- Enabled
• Boot - UEFI
• SATA - ACHI
• Pre-Allocated GPU Memory: 128M
• CMS - Disabled
• SucureBoot - Disabled
• FastBoot - Disabled
• TPM (PTT) - Disabled (tried Enabled, not help)
• Serial-Port - Disabled
• XHCI-HandOff - missing option
• Above 4G Decoding - missing option
• CFG Lock - missing option

*Update*:​

On USB 3 also seeing "failed to get local signing public key e00002bc".
I tested swap USBToolBox with generated map on windows to USBInjectAll, same result.
Tried adding Driver "OpenVariableRuntime.efi", nothing change.

Tried add another frambuffers and conn config:

• framebuffer-con1-enable : 01000000
• framebuffer-con1-type : 00080000

and from my friend i5-7500 with HD-630 (With whatevergreen.kext):

• AAPL, ig-platform-id : 00001B59
• framebuffer-con1-alldata : 01050A00 00080000 87010000
• framebuffer-con1-enable : 01000000
• framebuffer-con1-alldata : 02040A00 00080000 87010000
• framebuffer-con1-enable : 01000000
• framebuffer-fbmem : 00009000
• framebuffer-patch-enable : 1
• frambuffer-stolenmem : 00003001

Added screenshot before "validating root dmg" (Sorry for bad quality):
View attachment 9732

Load Early should be disabled. Does the BIOS has option for DVMT? If so, how much you have set it to?

Use -igfxvesa boot arg and you should be able to reach the installer and can install as well.

 

[alenxba]

I tried disabling "Load Early" and adding the "-igfxvesa" boot argument - the result is the same.
If DVMT refers to the iGPU memory size, I have it set to 128M. I also tested with 64M and 512M, but the result didn’t change.

All BIOS options:

 

[alenxba]

It worked, downloaded whatevergreen another version.
Thank for help!

 

[EliteMacx86]

I tried disabling "Load Early" and adding the "-igfxvesa" boot argument - the result is the same.
If DVMT refers to the iGPU memory size, I have it set to 128M. I also tested with 64M and 512M, but the result didn’t change.

All BIOS options:
View attachment 9733
View attachment 9734
View attachment 9735
View attachment 9736
View attachment 9737
View attachment 9738

DVMT must be set to 64MB only.

 

[EliteMacx86]

It worked, downloaded whatevergreen another version.
Thank for help!

What version you had originally and what was the version you downloaded?

 

[alenxba]

DVMT must be set to 64MB only.

I'll keep that in mind, it's just that they usually write 64M or more.

What version you had originally and what was the version you downloaded?

Used before - 1.7.0 / Working - 1.6.5

 

[EliteMacx86]

I'll keep that in mind, it's just that they usually write 64M or more.


Used before - 1.7.0 / Working - 1.6.5

Great. Marking Solved and closing this thread

 

[alenxba]

With "-igfxvesa" installed and working, but the problem is how to use it without "-igfxvesa".

Tried big count of combination PciRoot(0x0)/Pci(0x2,0x0) paramerts with:
igfxonln= 0 and 1
-wegnoegpu
...
all givining same result, after verbose no video output

SMBIOS "iMac 18,1 and 18,3" not helping, tried "Mac Mini 8,1" like in my friend config, same.

In IORegExplorer showing blank data or i dont know what need to see for get connectors info.
In this guide gpu works without vesa for show this info?

GUIDE Thread 'How to Enable Intel HD and UHD Graphics on macOS - Intel Framebuffer Patching Guide'

Jun 15, 2022

How to Enable Intel HD and UHD Graphics on macOS - Intel Framebuffer Patching Guide

An EliteMacx86 Exclusive Guide - This guide covers fixing Intel HD and UHD Graphics on macOS. By following this guide, you'll be able to enable Intel Graphics with acceleration on macOS with full QE/CI on your system. This guide also covers Intel Framebuffer patching and other important Graphics and Display aspects.

I. Overview

---

macOS supports a wide range of Intel HD Graphics (also referred to as iGPU) but some of them might not work out of the box if you have not followed...

• EliteMacx86
• black screen bus id patching clover connector patching desktop dvmt edid frambuffer framebuffer patching graphics ig-platform-id igpu intel intel hd graphics intel uhd graphics laptop macos opencore qe/ci whatevergreen
• Replies: 78
• Forum: Graphics and Displays

• 

Framebuffers at this moment:​

• AAPL,ig-platform-id : 00001259
• framebuffer-patch-enable : 01000000
• framebuffer-stolenmem : 00003001

 

[EliteMacx86]

With "-igfxvesa" installed and working, but the problem is how to use it without "-igfxvesa".

Tried big count of combination PciRoot(0x0)/Pci(0x2,0x0) paramerts with:
igfxonln= 0 and 1
-wegnoegpu
...
all givining same result, after verbose no video output

SMBIOS "iMac 18,1 and 18,3" not helping, tried "Mac Mini 8,1" like in my friend config, same.

In IORegExplorer showing blank data or i dont know what need to see for get connectors info.
In this guide gpu works without vesa for show this info?

GUIDE Thread 'How to Enable Intel HD and UHD Graphics on macOS - Intel Framebuffer Patching Guide'

Jun 15, 2022

How to Enable Intel HD and UHD Graphics on macOS - Intel Framebuffer Patching Guide

An EliteMacx86 Exclusive Guide - This guide covers fixing Intel HD and UHD Graphics on macOS. By following this guide, you'll be able to enable Intel Graphics with acceleration on macOS with full QE/CI on your system. This guide also covers Intel Framebuffer patching and other important Graphics and Display aspects.

I. Overview

---

macOS supports a wide range of Intel HD Graphics (also referred to as iGPU) but some of them might not work out of the box if you have not followed...

• EliteMacx86
• black screen bus id patching clover connector patching desktop dvmt edid frambuffer framebuffer patching graphics ig-platform-id igpu intel intel hd graphics intel uhd graphics laptop macos opencore qe/ci whatevergreen
• Replies: 78
• Forum: Graphics and Displays

• 

Framebuffers at this moment:​

• AAPL,ig-platform-id : 00001259
• framebuffer-patch-enable : 01000000
• framebuffer-stolenmem : 00003001

View attachment 9739
View attachment 9740

Something is wrong. Your config had iMac SMBIOS but Hackintool shows different. Stick to iMac18,1 and define the connectors for the physical ports and then attach a copy of IOReg. If you get no display, configure VNC to login.