Solved: Hp-Dv6 intel i7-2630qm 8gb ram missing drivers after install... - HP Support Community - 8402625
Solved: Unknown Device - on PCI Bus - ACPI\HPQ0004 / *HPQ0004 - IRQ ... - HP Support Community - 6349655
![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 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](https://support.hp.com/doc-images/329/c04762660.jpg)
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
![HP Notebooks, Desktop-PCs, Mobile Workstations - Im Geräte-Manager wird ein gelbes Ausrufezeichen angezeigt am „Unbekanntes Gerät": ACPI\HPIC000C | HP® Kundensupport HP Notebooks, Desktop-PCs, Mobile Workstations - Im Geräte-Manager wird ein gelbes Ausrufezeichen angezeigt am „Unbekanntes Gerät": ACPI\HPIC000C | HP® Kundensupport](https://support.hp.com/doc-images/882/c06507673.jpg)