The hardware id for a Windows device can help find the right driver. Locate it using these instructions. Just got a new H87Iplus for my haswell build and I cannot seem to find a driver for this unknown device. Ive attached a screen shot below. Any thoughts or tips that. Intel Customer Support home page. Download Drivers and Software. View and download specific drivers and software for your system. Unknown Device ACPIPNP0. A0. A Solved. For those who have an Asus Motherboard Support CD and are wary of downloading files from unknown sources heres an optional method to find and install the AMDA0. Unknown device ACPI. Go to Device manager. Double click the unknown device. This will take you to the Properties page. Click Update Driver. Choose the 2nd option Browse my computer for driver software. Browse to your Motherboard Support CD sometimes only the drive letter will appear X 6. Click Next, search will find the Driver on the MB Support CD and install it. I used this method for my Z8. A22FD3FAA4ABDD6/image-size/original?v=mpbl-1&px=-1' alt='Download Driver Using Hardware Id Acpi' title='Download Driver Using Hardware Id Acpi' />TROUBLESHOOTING WINDOWS STOP MESSAGES Last updated October 18, 2007 Hold mouse here for list of most recent changes. Receive notice whenever this page is updated. MKn3LLmw8/maxresdefault.jpg' alt='Download Driver Using Hardware Id Acpi' title='Download Driver Using Hardware Id Acpi' />Plus board. Adobe Ultra Cs3 V3 0. And for others who have an Asus MB. TWqgFJtruQU/VvUpWK3721I/AAAAAAAADZc/wjU0M38xr18m8OVpVPLS1NjKHwXIMN9JA/s1600/identify-hardware-in-computer.png' alt='Download Driver Using Hardware Id Acpi' title='Download Driver Using Hardware Id Acpi' />Thank you for visiting the HP Support Forums and Welcome. Please download the following file, unzip it httph30434.