That's odd - it looks like the default behaviour in the absence of any OSI strings is to just default to an OSYS value that matches Windows 2012, so disabling the 2013 value should be equivalent. If it's not, it's definitely not safe to turn off all values - there are several devices that change behaviour as a result. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html