Ubuntu 19.10 上未偵測到我的筆記型電腦內建麥克風

Question

在 Ubuntu 19.10 中未偵測到我的內建麥克風。我的系統配置和型號如下：

沒有可用的 LSB 模組​​：

Distributor ID: Ubuntu
Description   : Ubuntu 19.10
Release       : 19.10
Codename      : eoan

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這是我的/etc/modprobe.d/alsa-base.conf文件：

# Prevent abnormal drivers from grabbing index 0
options bt87x index=-2
options cx88_alsa index=-2
options saa7134-alsa index=-2
options snd-atiixp-modem index=-2
options snd-intel8x0m index=-2
options snd-via82xx-modem index=-2
options snd-usb-audio index=-2
options snd-usb-caiaq index=-2
options snd-usb-ua101 index=-2
options snd-usb-us122l index=-2
options snd-usb-usx2y index=-2
# Ubuntu #62691, enable MPU for snd-cmipci
options snd-cmipci mpu_port=0x330 fm_port=0x388
# Keep snd-pcsp from being loaded as first soundcard
options snd-pcsp index=-2
# Keep snd-usb-audio from beeing loaded as first soundcard
options snd-usb-audio index=-2
options snd-hda-intel dmic_detect=0