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Stuck at "using 16384 buffer headers and 10240 cluster IO buffer headers"

Joined
Jun 25, 2020
Messages
1
Motherboard
Lenovo ThinkPad X1 Carbon Gen 7 (Clover/OpenCore))
CPU
i7-8565U
Graphics
UHD620+3840×2160
Hello. I am trying to use Clover to install High Sierra on my ThinkPad. However, I didn't manage to see the installation screen. On verbose mode, the computer shows "using 16384 buffer headers and 10240 cluster IO buffer headers". The line before it is "AMFILoadTrustedKeyFromNVRam: Failed getting NVRAM".
I also tried to use Left debug mode, and the last line change to "kext com.apple.driver.appleacpiec loaded".
I have turned off ThunderBolt3, TPM, Secure Boot, Intel SGX and Intel VT-d in the UEFI setting.
On the Clover-ACPI folder, there are a dsdt.aml which I decompiled and compiled with iASL and a SSDT-EC-USBX.aml, which I downloaded from the internet. On the kext folder, I have VirtualSMC, Lilu, whatevergreen, VoodooPS2Controller, USB Inject All and XHCI Unsupported. BTW I also tried to disable USBInjectAll because it seems that it doesn't work for my ACPI table.
I wonder if it can be solved because I have tried different ways.
thanks.
 

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