DV6-6b51ea: unknown device on windows 7 64 bit, dv6-6b51ea - eehelp.com
intel drivers download - Microsoft Community
How to fix ACPI.sys in Windows 10 - Driver Easy
When install win10 (1809) on MacBook Pro … - Apple Community
Solved: Dell Latitude E5470 Windows 10 Driver for unknown Device: ACPI\DELLABC6\2&DABA3FF&1 - Dell Community
What is ACPI INT33A0 in Windows
Solved: Unknown Device - on PCI Bus - ACPI\SMO8800 / ~SMO8800 - IRQ 0x00000017 (23) - Dell Community
Sleekbook HP ENVY 14-k027cl: unknown device - eehelp.com
Unknown Driver ACPI VEN_SMB&DEV_0001 - Dell Community
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
Envy of HP dv7 - 7373ca: lack of device drivers Window 7 64 - eehelp.com