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- HP Community
- Notebooks
- Notebook Operating System and Recovery
- UnKnown Devices on PCI Express Root Complex

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02-16-2015 12:23 PM
After formating my hp laptop with windows8 64bit , I installed all drivers present in the website for g6-1305et . However, in device manager, I got an error below Other Devices-Unknown Device as 'Location: on PCI Express Root Complex, "The drivers for this device are not installed. (Code 28)" . How can I obtain this driver ?
Solved! Go to Solution.
Accepted Solutions
02-16-2015 12:55 PM
Hi,
Install the Wireless Button Driver on the following link.
http://ftp.hp.com/pub/softpaq/sp58501-59000/sp58720.exe
DP-K
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Windows Insider MVP
02-16-2015 12:28 PM
Hi,
It's probably the Card Reader driver on the link below.
http://ftp.hp.com/pub/softpaq/sp59001-59500/sp59191.exe
If it's not, go back into Device Manager, right click on the problem device and select Properties. Click the Details tab, choose Hardware Ids from the dropdown box and post back with the details shown under Value.
Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Windows Insider MVP
02-16-2015 12:55 PM
Hi,
Install the Wireless Button Driver on the following link.
http://ftp.hp.com/pub/softpaq/sp58501-59000/sp58720.exe
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Windows Insider MVP
05-12-2016 06:20 AM - edited 05-12-2016 06:21 AM
Hi,
I'm facing same issue on my EliteBook 8540p - Windows 8.1 Enterprise "UnKnown Devices on PCI Express Root Complex", following are my hardware Ids, kindly suggest a driver
ACPI\VEN_HPQ&DEV_0004
ACPI\HPQ0004
*HPQ0004
Regards,
imageologist