Hi, after clean installing Windows 10, Build 10586.0, there are two unknown devices in the device manager with the following details: ACPI\\HPQ0004\\2&DABA3FF&0 ACPI\\HPQ6001\\2&DABA3FF&0 I am not sure whether these pronlems have something to do wirh the special HP-functions 'Hard Drive Protectio... More @Wikipedia
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