-
1
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
-
1
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
- HP Community
- Notebooks
- Notebook Operating System and Recovery
- PCI Root Express Complex Windows 10 Unknown Device Found und...

Create an account on the HP Community to personalize your profile and ask a question
02-29-2020 03:04 PM
After patching from a previous version of Windows 10 64-bit (after 1909) my Pavilion DV5-2077cl Entertainment Series Notebook runs very slow and choppy (but HDD is good) and went into Device Manager and saw "Unknown Device", Looked at the driver details which I is posted below: (please advise, I need to get this working before March 2nd 2020, thanks).
PCI Express Root Complex : Unknown
HARDWARE ID
ACPI\VEN\_HPQ&DEV_004
ACPI\HPQ004
*HPQ004
EVENTS
PARENT DEVICE : ACPI\PNP0A0811
DETAILS
DEVICE INSTANCE PATH : ACPI\HPQ004\3&2411E6FE&0
Solved! Go to Solution.
Accepted Solutions
02-29-2020 06:24 PM
Hi:
You need this driver for that device...
This package provides the HP 3D DriveGuard software for supported notebook models that are running a supported operating system. HP 3D DriveGuard protects the hard drive by "parking the heads" if the notebook is accidentally dropped or is abruptly impacted by another object. |
02-29-2020 06:24 PM
Hi:
You need this driver for that device...
This package provides the HP 3D DriveGuard software for supported notebook models that are running a supported operating system. HP 3D DriveGuard protects the hard drive by "parking the heads" if the notebook is accidentally dropped or is abruptly impacted by another object. |