7840U, Windows 11 23H2, BSOD in msgpioclx.sys

Hi. I was getting BSOD (unfortunately no dump file generated), with an Event Viewer Kernel error of “Windows boot environment failed load the HSP firmware. StatusCode: {File Not Found}”.

I found that I could eliminate the BSOD if I changed the PCI Express State Link Management setting in the power plan to “Moderate power savings” instead of the “Maximum power savings”.

Seems like there is a problem somewhere in the management of the power state on PCIE.

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