![]() ![]() EXPLANATION: In Hybrid savepower mode, after transitioning to the integrated graphics, the NVIDIA driver disables the HD audio controller. If using snd_hda_intel you can lookup what model variant you need searching the codec name in this list:įor the ALC1220 the model name to use seems to be dual-codecs. ISSUE: After uninstalling an NVIDIA graphics driver on Hybrid graphics notebooks while in save power mode, the NVIDIA HD Audio driver cannot be re-installed. It is very likely that your driver will be the same but the codec might vary. Node 0x02 wcaps 0x41d: Stereo Amp-OutĬontrol: name="Line Out Playback Volume", index=0, device=0įrom all of the above we can determine that the audio driver used is snd_hda_intel and that the codec is Realtek ALC1220. Power states: D0 D1 D2 D3 D3cold CLKSTOP EPSS
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