Comment 787 for bug 752542

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Peter Wu (lekensteyn) wrote :

@Dewald You have the same issue as MSI GE62 6QD Apache Pro (and in a different way, the the Clevo P651RA/P651RE/... models). A workaround (based on an analysis of ssdt6.dsl) is to boot with:

    acpi_osi=! acpi_osi="Windows 2009"

This will make the firmware use a method for Windows 7 which does not cause a hang. See also https://github.com/Bumblebee-Project/Bumblebee/issues/764#issuecomment-233189742