Try using card 1. Look at amixer -c 1 On 7/29/20, Nicolas Martin <nico.mar...@gmail.com> wrote: > Hi, > > I have a Lenovo P520 workstation with an internal speaker on which I'd like > to play sound. > OS installed is RHEL 7U6 with alsa 1.1.6 > > the internal speaker is enabled in BIOS; however I don't have any sound > output on it. > > The only way to have sound is to plug an external speaker. > > If I load the module snd-pcsp, there is an additional card that appears > that I can use to play sound on the internal speaker, although the sound > quality is very poor (crackling). > > I don't really know where to dig concerning this issue; whether it's a bug > with the kernel module or alsa; I'd appreciate some guidance. > > The audio chipset (not using the Nvidia output): > # lspci -v | grep -i audio > 00:1f.3 Audio device: Intel Corporation 200 Series PCH HD Audio > 65:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio > Controller (rev a1) > > Below the output of aplay -l and aplay -L: > # aplay -l > **** List of PLAYBACK Hardware Devices **** > card 0: PCH [HDA Intel PCH], device 0: ALC662 rev3 Analog [ALC662 rev3 > Analog] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 0: PCH [HDA Intel PCH], device 4: ALC233 Analog [ALC233 Analog] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 1: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 1: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 1: NVidia [HDA NVidia], device 9: HDMI 3 [HDMI 3] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > > # aplay -L > null > Discard all samples (playback) or generate zero samples (capture) > pulse > PulseAudio Sound Server > default:CARD=PCH > HDA Intel PCH, ALC662 rev3 Analog > Default Audio Device > sysdefault:CARD=PCH > HDA Intel PCH, ALC662 rev3 Analog > Default Audio Device > front:CARD=PCH,DEV=0 > HDA Intel PCH, ALC662 rev3 Analog > Front speakers > surround21:CARD=PCH,DEV=0 > HDA Intel PCH, ALC662 rev3 Analog > 2.1 Surround output to Front and Subwoofer speakers > surround40:CARD=PCH,DEV=0 > HDA Intel PCH, ALC662 rev3 Analog > 4.0 Surround output to Front and Rear speakers > surround41:CARD=PCH,DEV=0 > HDA Intel PCH, ALC662 rev3 Analog > 4.1 Surround output to Front, Rear and Subwoofer speakers > surround50:CARD=PCH,DEV=0 > HDA Intel PCH, ALC662 rev3 Analog > 5.0 Surround output to Front, Center and Rear speakers > surround51:CARD=PCH,DEV=0 > HDA Intel PCH, ALC662 rev3 Analog > 5.1 Surround output to Front, Center, Rear and Subwoofer speakers > surround71:CARD=PCH,DEV=0 > HDA Intel PCH, ALC662 rev3 Analog > 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers > hdmi:CARD=NVidia,DEV=0 > HDA NVidia, HDMI 0 > HDMI Audio Output > hdmi:CARD=NVidia,DEV=1 > HDA NVidia, HDMI 1 > HDMI Audio Output > hdmi:CARD=NVidia,DEV=2 > HDA NVidia, HDMI 2 > HDMI Audio Output > hdmi:CARD=NVidia,DEV=3 > HDA NVidia, HDMI 3 > HDMI Audio Output >
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