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HP Recommended
HP Pavilion 15-au027tu
Microsoft Windows 8.1 (64-bit)

HELLO
I'm using HP Pavilion 15-au027tu, and my laptop only be able to use window 10. however, i try to install window 8.1 pro, and now, i can not find PCI device driver and an unknowndriver.
where can i find them?
thanks!

1 ACCEPTED SOLUTION

Accepted Solutions
HP Recommended

Hi:

 

You need this W8.1 driver for the unknown device...

 

HP 3D DriveGuard Software

 

https://ftp.hp.com/pub/softpaq/sp78001-78500/sp78105.exe

 

View solution in original post

6 REPLIES 6
HP Recommended

Really hard to say without knowing the hardware id of each device. In Device Manager right click and choose Properties. Go to Details tab and use the dropdown selector to get hardware id.

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HP Recommended

@DYD wrote:

HELLO
I'm using HP Pavilion 15-au027tu, and my laptop only be able to use window 10. however, ...


@DYD

 

Your machine came with FreeDOS2.0 actually. Please try the following Realtek Card Reader Driver:

 

    https://ftp.hp.com/pub/softpaq/sp78001-78500/sp78362.exe

 

Regards.

BH
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HP Recommended

Untitled.png

HP Recommended

is it hardware id which you need?

HP Recommended

thank you so much

HP Recommended

Hi:

 

You need this W8.1 driver for the unknown device...

 

HP 3D DriveGuard Software

 

https://ftp.hp.com/pub/softpaq/sp78001-78500/sp78105.exe

 

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