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Add it to Arguments：cpus=1

About what you said，You didn't patch SGOF correctly (EC references are still there, not moved to _REG)，There are screenshots as evidence。

I've done as you requested, patch only for the Nvidia disable, need to enable CSM in the motherboard BIOS, so you can complete the installation.

Please put refs.txt and other DSDT and SSDT files in a folder, and then execute the command: iasl -da -dl -fe refs.txt DSDT.aml SSDT*.aml

Https://www.tonymacx86.com/threads/guide-disabling-discrete-graphics-in-dual-gpu-laptops.163772/ I'm basically referring to this tutorial.

The uploaded file contains the original ACPI file. I also encountered similar problems in the installation, tried a lot of ways to solve, but the results are all the same, only after adding the disabled nvida card patches to complete the installation. The previous tests did not include these...

You may have misunderstood, I mean, the key to solve this problem is to use DSDT and SSDT to disable the nvida card, I uploaded the file contains a lot of patches, not just disable the NVIDIA card, for example, I added a BCM43225 wireless network card patch.

As Intel8051 said in #81,The solution is to apply the patches in DSDT and SSDT to disable discrete graphics in dual gpu. You can see these files in my uploaded EFI file. In fact, I also compiled the ACPI file completely according to your tutorial.

Sorry, I made a mistake. Those were supposed to be sent to sandro_desktop. Therefore deleted. In addition, the Intel8051 problem has been resolved. It shows that the method I suggest is effective.

There is nothing special about it. Even the same model, the same version of BIOS, and the DSDT SSDT compiled on my computer do not always work for you.

You need to compile the ACPI file to disable the Nvidia graphics card.

Although it exists, it does not solve the problem. Only using ssdt-off.aml to disable discrete graphics has solved the problem.

I'm sure the problem is not in this parameter. You can refer to the EFI file I uploaded above. Thank you

The BIOS version is 208

Nv_disable=1, this is not help solve the problem, I have tried all kinds of methods, only disable nvida graphics cards can go smoothly.

You can solve this problem by compiling DSDT or SSDT to disable nvida graphics cards. I have installed Beta version 5 on the ASUS N550JV notebook in this way. Just use your previous installation method,, just add the ACPI file that disables Discrete graphics。

At boot time by F2 into the BIOS, the top is the main menu, select Advanced, configuration USB, Pre-Boot Mode XHCI set to Disabled, then press F10 to save the exit