我最近刚转用 Ubantu，主要是为了从我的生活中消除公司的影响。但也是为了学习 Linux 并了解技术的底层原理。我喜欢它的一切，除了从 20.04 更新时扬声器停止工作。我的耳机可以工作，但除此之外没有声音。音频显示为通用。我花了几天时间进行故障排除，但每个案例似乎都是独一无二的，我对其中的复杂性还不熟悉。
如果可以的话请帮忙。这是我正在处理的事情：
aplay -l
card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: Generic_1 [HD-Audio Generic], device 0: ALC245 Analog [ALC245 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
default
Playback/recording through the PulseAudio sound server
samplerate
Rate Converter Plugin Using Samplerate Library
speexrate
Rate Converter Plugin Using Speex Resampler
jack
JACK Audio Connection Kit
oss
Open Sound System
pulse
PulseAudio Sound Server
upmix
Plugin for channel upmix (4,6,8)
vdownmix
Plugin for channel downmix (stereo) with a simple spacialization
hw:CARD=Generic,DEV=3
HD-Audio Generic, HDMI 0
Direct hardware device without any conversions
hw:CARD=Generic,DEV=7
HD-Audio Generic, HDMI 1
Direct hardware device without any conversions
plughw:CARD=Generic,DEV=3
HD-Audio Generic, HDMI 0
Hardware device with all software conversions
plughw:CARD=Generic,DEV=7
HD-Audio Generic, HDMI 1
Hardware device with all software conversions
hdmi:CARD=Generic,DEV=0
HD-Audio Generic, HDMI 0
HDMI Audio Output
hdmi:CARD=Generic,DEV=1
HD-Audio Generic, HDMI 1
HDMI Audio Output
dmix:CARD=Generic,DEV=3
HD-Audio Generic, HDMI 0
Direct sample mixing device
dmix:CARD=Generic,DEV=7
HD-Audio Generic, HDMI 1
Direct sample mixing device
usbstream:CARD=Generic
HD-Audio Generic
USB Stream Output
hw:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
Direct hardware device without any conversions
plughw:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
Hardware device with all software conversions
sysdefault:CARD=Generic_1
HD-Audio Generic, ALC245 Analog
Default Audio Device
front:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
Front output / input
surround21:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
dmix:CARD=Generic_1,DEV=0
HD-Audio Generic, ALC245 Analog
Direct sample mixing device
usbstream:CARD=Generic_1
HD-Audio Generic
USB Stream Output
lspci -v
04:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Renoir Radeon High Definition Audio Controller
Subsystem: Hewlett-Packard Company Renoir Radeon High Definition Audio Controller
Flags: bus master, fast devsel, latency 0, IRQ 69, IOMMU group 14
Memory at d05c8000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
04:00.5 Multimedia controller: Advanced Micro Devices, Inc. [AMD] Raven/Raven2/FireFlight/Renoir Audio Processor (rev 01)
Subsystem: Hewlett-Packard Company Raven/Raven2/FireFlight/Renoir Audio Processor
Flags: bus master, fast devsel, latency 0, IRQ 84, IOMMU group 18
Memory at d0580000 (32-bit, non-prefetchable) [size=256K]
Capabilities: <access denied>
Kernel modules: snd_pci_acp3x, snd_rn_pci_acp3x, snd_pci_acp5x, snd_pci_acp6x
04:00.6 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) HD Audio Controller
Subsystem: Hewlett-Packard Company Family 17h (Models 10h-1fh) HD Audio Controller
Flags: bus master, fast devsel, latency 0, IRQ 58, IOMMU group 19
Memory at d05c0000 (32-bit, non-prefetchable) [size=32K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
如果我遗漏了什么请告诉我。也许这是一个简单的修复，但在游戏的这个阶段这对我来说有点太高级了。