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From my understanding test driver builds are numbered 9999 to fool Windows update.

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14 hours ago, mik said:

I cannot install this driver on my TGL-U device, maybe it needs Windows 11.

INF checks for min. Windows build 16225

Does the INF contain your device ID?

%Intel%   = IntelGfx, NTamd64.10.0...16225


; TGL Simulation
%INTEL_DEV_FF20% = iTGLD_w10_DS, PCI\VEN_8086&DEV_FF20


%INTEL_DEV_9A49% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9A49
%INTEL_DEV_9A40% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9A40
%INTEL_DEV_9A78% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9A78
%INTEL_DEV_9A60% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9A60
%INTEL_DEV_9A68% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9A68
%INTEL_DEV_9A70% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9A70

%INTEL_DEV_9A59% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9A59
%INTEL_DEV_9AC9% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9AC9
%INTEL_DEV_9AF8% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9AF8
%INTEL_DEV_9AC0% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9AC0
%INTEL_DEV_9AD9% = iTGLD_w10_DS, PCI\VEN_8086&DEV_9AD9


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Yes I have 9A49, I mean I can install this driver but after a restart the iGPU is blocked and device manager says there is a signature problem. Tried disc install and the installer, same on both.

This is what it says:

Die digitale Signatur der für dieses Gerät erforderlichen Treiber kann nicht überprüft werden. Bei einer vor Kurzem durchgeführten Änderung an Hardware oder Software wurde möglicherweise eine Datei installiert, die falsch signiert oder beschädigt ist. Möglicherweise handelt es sich auch um schädliche Software einer unbekannten Quelle. (Code 52)

Edited by mik
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Try this command and reboot

bcdedit -set loadoptions DISABLE_INTEGRITY_CHECKS
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BCDEDIT /set nointegritychecks ON


May need Test signing off too as there's no CAT file at all

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