T42 Other devices Driver Problems | Tech Support Forum
DP Notebook 13115 Drivers | PDF | Usb | Computer Architecture
How To Find Driver and Install for UNKNOWN DEVICE - ACPI\VPC2004\0 - YouTube
HP PCs - HP 3D DriveGuard Is Displayed as an Unknown Device (ACPI\HPQ0004 or ACPI\HPQ6007) After Upgrade to Windows 10 Has Completed | HP® Customer Support