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@RehabMan You were correct My friend. It was the NVidia Discreta Card. Instead of going through all the Fuzz in the Plist, I just disabled in the Bios. Works like a Charm! Thank you very much.

Hello All, I am having a bit of a hiccup while upgrading to High Sierra. I have a Lenovo Yoga 700-14isk Running Sierra 10.12.6 Flawlessly; I am trying to update to High Sierra and while doing so I encountered a couple of issues: I downloaded the High Sierra installer from App Store, Upgraded...

Ok, as I said before, I changed my DVMT again (look at the pictures). I am still unable robot with platform 19160000, as my HD 520 requires. I started Making changes to your config.plist. I HAVE NOT FINISHED IT, I attached it for any corrections you may have in the progress so far.

Is Funny That I can't boot with 1916000. Check the pictures of my DVMT. I just did this Again. But nothing Changes. I check my Bios and that is also the same way as it used to be. You think I should Completely Delete all partitions and format my HDD, as well as update my Bios to a newer...

-My problem is as I described before: I have set the DVMT in 96MB. I have installed Sierra 10.12.4. HD 520 Graphics has no acceleration. Only registers 7mb. I have a discrete Nvidia Geforce 940m 2gb. Is disabled in Config.plist. I cannot boot Sierra with Platforms 19160000, 19160002, 191b0000...

OK, Read the instructions. Ran clover 4061 installation and did one by one the steps you wrote. Fixed my config.plist

I followed your guide, making changes to what I already had in clover. -Changed the drivers64UEFI to the only 3 required objects. -ACPI/Patched, deleted the DSDT and SSDT that was in there, Now I don't have power management for the moment. -Config.plist, I edited and deleted everything that I...

Per your Guide, I have set the DVMT in 96MB. I have installed Sierra 10.12.4. HD 520 Graphics has no acceleration. Only registers 7mb. I have a discrete Nvidia Geforce 940m 2gb. Is disabled in Config.plist. I cannot boot Sierra with Platforms 19160000, 19160002, 191b0000, if I do I get KP on...

I did all that in post 11.

I checked and reset the DVMT to 96mb. Could it be that Sierra needs it to be higher? I tried to boot with 19160000 and got KP on the SkylakeFrameBuffer.

RehabMan, you didn't answer regarding the DVMT. My current config should have DVMT 96MB as I set it up. So what can my acceleration problem be? Sierra won't use the PlatformID and I have rebuild the caches as you have mentioned in other forum replies.

The USB EFI that I sent you is the one that unibeast created. Boots to the installation and to the HDD. I don't understand how can that prevent me from getting acceleration on my HD 520.

Attached are the EFI USB, and all pics from verbose. I tried 19160000 while USB booting and got KP as shown in the pic. removed it and entered 12345678 and booted fine.

Can you specify what patches should I remove? When booting from USB I get the Same KP.

@RehabMan I had El Capitan fully functional before I installed Sierra 10.12.4, I had a Sierra working fine except Intel HD Graphics 520, with no acceleration. after a while I encountered a boot issue that didn't allow me to boot and lost everything that I had installed. I went Ahead and did a...

@RehabMan I got Sierra installed and Everything is working, Except Graphics acceleration. My Intel HD 520 only registers at 7mb. I am Booting with ID 0x12345678, because when I change it to 0x19160000 it gives me KP. Can you refer me to a link with a fix?

Got It! Thank you RehabMan.

Ok, I get what you mean. Now I have a question. I am currently Using el Capitan very well. I have set the DVMT-prealloc to 96MB as per your guide and never used the minStolenSize. Does the DVMT-prealloc changes by itself? I will have to change my DMVT-prealloc again to 96MB or 128MB.

Hello BreBo, I did updated the Kext and Booted with -f and in Safe Mode. Neither worked.attached are the pictures, the safe mode ones are the ones with Invalid Sandbox error. Any other suggestions? Thanks.

Hello all, I Have a working El Capitan Config. I updated clover to 4049 and performed the direct upgrade from El Capitan to Sierra. While trying to boot without kexts as stated in the post 1. I get the following error. System uptime in nanoseconds: 1058561369. Then system restarts. Attached...