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pavucontrol 中所有音频输出均列为“不可用”、“未插电”。音频设置中列出了虚拟输出

tag-icon • tag-icon sound pulseaudio alsa hdmi pavucontrol
pavucontrol 中所有音频输出均列为“不可用”、“未插电”。音频设置中列出了虚拟输出

我是 Linux 新用户，Windows 10 的难民。在我的 Ubuntu 安装中，除了音频之外，其他一切都运行良好。正如标题所示，在音频设置中，唯一的音频选项是“虚拟输出”。当我尝试 pavucontrol 时，音频选项全部列为“未插电”“不可用”。我尝试了很多修复方法，例如重新启动 alsa 并进入 alsamixer。但我尝试的都不起作用。

我有一台 AMD® Fx(tm)-6300 六核处理器和一台 Radeon RX550/550 系列显卡。我使用显示器上的耳机插孔来获取音频。

这是输出hwinfo --sound

9: PCI 100.1: 0403 Audio device                                
  [Created at pci.386]
  Unique ID: NXNs.7IS0FEaF4_0
  Parent ID: 8otl.1zYaSjlK1pF
  SysFS ID: /devices/pci0000:00/0000:00:04.0/0000:01:00.1
  SysFS BusID: 0000:01:00.1
  Hardware Class: sound
  Model: "ATI Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X]"
  Vendor: pci 0x1002 "ATI Technologies Inc"
  Device: pci 0xaae0 "Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X]"
  SubVendor: pci 0x1462 "Micro-Star International Co., Ltd. [MSI]"
  SubDevice: pci 0xaae0 
  Driver: "snd_hda_intel"
  Driver Modules: "snd_hda_intel"
  Memory Range: 0xfea60000-0xfea63fff (rw,non-prefetchable)
  IRQ: 37 (201 events)
  Module Alias: "pci:v00001002d0000AAE0sv00001462sd0000AAE0bc04sc03i00"
  Driver Info #0:
    Driver Status: snd_hda_intel is active
    Driver Activation Cmd: "modprobe snd_hda_intel"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #13 (PCI bridge)

30: PCI 14.2: 0403 Audio device
  [Created at pci.386]
  Unique ID: 5Dex.c8pPfvNvCx4
  SysFS ID: /devices/pci0000:00/0000:00:14.2
  SysFS BusID: 0000:00:14.2
  Hardware Class: sound
  Model: "ATI SBx00 Azalia (Intel HDA)"
  Vendor: pci 0x1002 "ATI Technologies Inc"
  Device: pci 0x4383 "SBx00 Azalia (Intel HDA)"
  SubVendor: pci 0x1849 "ASRock Incorporation"
  SubDevice: pci 0x5892 
  Revision: 0x40
  Driver: "snd_hda_intel"
  Driver Modules: "snd_hda_intel"
  Memory Range: 0xfeb00000-0xfeb03fff (rw,non-prefetchable)
  IRQ: 16 (1836 events)
  Module Alias: "pci:v00001002d00004383sv00001849sd00005892bc04sc03i00"
  Driver Info #0:
    Driver Status: snd_hda_intel is active
    Driver Activation Cmd: "modprobe snd_hda_intel"
  Config Status: cfg=new, avail=yes, need=no, active=unknown

输出cat /proc/asound/cards

0 [SB             ]: HDA-Intel - HDA ATI SB
                      HDA ATI SB at 0xfeb00000 irq 16
 1 [HDMI           ]: HDA-Intel - HDA ATI HDMI
                      HDA ATI HDMI at 0xfea60000 irq 37

lspci -v声音输出

01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X]
    Subsystem: Micro-Star International Co., Ltd. [MSI] Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X]
    Flags: bus master, fast devsel, latency 0, IRQ 37, NUMA node 0
    Memory at fea60000 (64-bit, non-prefetchable) [size=16K]
    Capabilities: <access denied>
    Kernel driver in use: snd_hda_intel
    Kernel modules: snd_hda_intel

更新：我的 Ubuntu 版本是 20.04

我希望这是足够的信息

提前致谢

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