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SOLVED: Windows 11 - Huawei MateBook D14 AMD laptop missing Multimedia Controller driver

Unknown Multimedia Controller device after installing Windows 11 on a Huawei MateBook D14 AMD Laptop. Fixed by installing AMD Audio CoProcessor Driver. 

Problem: Huawei MateBook Laptop unknown multimedia controller device

There is an unknown Multimedia Controller device in Device Manager after installing Windows 11 on a Huawei MateBook D14 AMD Laptop (NBLK-WAX9X)

H3 Unknown Multimedia Controller device

Unknown Multimedia Controller device

Multimedia Controller Device Hardware ID PCI\VEN_1022&DEV_15E2

The device Hardware ID is PCI\VEN_1022&DEV_15E2&SUBSYS_3E1919E5&REV_00

Troubleshooting steps

I tried installing the laptop drivers from Huawei's website - none of them were for the unknown Multimedia Controller device.
I also tried installing the AMD Ryzen Mobile chipset drivers, but this didn't have the Multimedia Controller driver either.

Solution: Install AMD Audio CoProcessor Driver for device ID PCI\VEN_1022&DEV_15E2

Solution: Install AMD Audio CoProcessor Driver for device ID PCI\VEN_1022&DEV_15E2

AMD Audio CoProcessor Driver

PCI\VEN_1022&DEV_15E2

AMD Audio CoProcessor Win10.zip

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Comments 1

Guest - Nesko on Monday, 25 December 2023 14:10

Yes, it worked for me.

Yes, it worked for me.
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Saturday, 13 September 2025
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