What is the of your computer so I can help you find the exact driver link? Welche Treiber für ACP HDA Node? - HP Community
Supports multi-stream HD audio formats (up to 32-bit / 192 kHz) with low latency. acp hda node
If drivers are corrupted, you may see a yellow exclamation mark next to "Unknown device" with a hardware ID containing PCI\VEN_1022&DEV_15E2 (the PCI signature for AMD ACP). What is the of your computer so I
: Even if your speakers are fine, this missing node can cause Windows to fail to detect any output device. Yellow Exclamation Mark acp hda node