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声卡还是没有搞定，还是没有声音，给的资料全是英文，看得辛苦。
AMD High Definition Audio Device
Realtek High Definition Audio
以上是windows7显示的声卡

AMD High Definition Audio Device
Realtek High Definition Audio

把下面指令 複製 貼進終端機 執行
sudo lspci -knn | grep Audio
把結果直接 選取/複製 貼上來
不必擷圖

00:01.1 Audio device [0403]: Advanced Micro Devices [AMD] nee ATI Device [1002:9840]
00:14.2 Audio device [0403]: Advanced Micro Devices [AMD] Hudson Azalia Controller [1022:780d] (rev 02)

viewtopic.php?p=3120578#p3120578
sudo lspci -knn | grep Audio
00:01.1 Audio device [0403]: Advanced Micro Devices [AMD] nee ATI Device [1002:9840]
00:14.2 Audio device [0403]: Advanced Micro Devices [AMD] Hudson Azalia Controller [1022:780d] (rev 02)

viewtopic.php?p=3119841#p3119841
sudo lshw -numeric -class multimedia
product: Advanced Micro Devices [AMD] nee ATI [1002:9840]
product: Hudson Azalia Controller [1022:780D]

1. 偵測到的 pci id 都一樣

viewtopic.php?p=3120555#p3120555
AMD High Definition Audio Device
Realtek High Definition Audio
以上是windows7显示的声卡

viewtopic.php?p=3119841#p3119841
2. 找不到 [1022:780D]

2. 所以 product: Hudson Azalia Controller 是否正確 ? 待查

3. 建議
把 喇叭 / Mic 的插孔 都插到 product: Advanced Micro Devices [AMD] nee ATI [1002:9840]
把 product: Hudson Azalia Controller [1022:780D] 關閉 (從 Bios 關閉)
3-1. 再試試
sudo lspci -knn | grep Audio
sudo lshw -numeric -class multimedia

把 product: Hudson Azalia Controller [1022:780D] 關閉 (從 Bios 關閉)
在BIOS里没有发现有关闭声卡的选项。
sudo lshw -numeric -class multimedia 后显示：
*-multimedia:0 UNCLAIMED
description: Audio device
product: Advanced Micro Devices [AMD] nee ATI [1002:9840]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 1.1
bus info: pci@0000:00:01.1
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list
configuration: latency=0
resources: memory:fe764000-fe767fff
*-multimedia:1 UNCLAIMED
description: Audio device
product: Hudson Azalia Controller [1022:780D]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 14.2
bus info: pci@0000:00:14.2
version: 02
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: latency=32
resources: memory:fe760000-fe763fff

在BIOS里没有发现有关闭声卡的选项。

1. 有沒有關閉 內建聲卡 或稱 集成聲卡 的選項 ?

2. Ubuntu 預設由 pulseaudio server 服務音效
pavucontrol 套件是 PulseAudio Volume Control
所以用來 設定/調整 Ubuntu 音效
2-1. 安裝 pavucontrol 套件
Input Device / Input Device / Configuration
可以幫助你 輕鬆設定/調整 聲卡及設定
sudo apt-get install pavucontrol # universe 套件庫
2-2. 右上方圖示 / 系統設定值 / 硬體 / 音效 / 輸出 或 輸入
也可以幫助你 輕鬆設定/調整 聲卡及設定
2-3. 看看上面 1-1 1-2 輸出 或 輸入 或 設定
有沒有
Advanced Micro Devices [AMD] nee ATI [1002:9840]
Hudson Azalia Controller [1022:780D]
聲卡硬體選項

sudo lshw -numeric -class multimedia 后显示：
*-multimedia:0 UNCLAIMED
product: Advanced Micro Devices [AMD] nee ATI [1002:9840]
configuration: latency=0
*-multimedia:1 UNCLAIMED
product: Hudson Azalia Controller [1022:780D]
configuration: latency=32

3. 這次 都沒有被驅動

4. Ubuntu 官網 建議偵錯步驟 試試
4-1. 當喇叭沒聲音 參考
https://wiki.ubuntu.com/Audio/CheckForM ... akerVolume
CheckForMutedSpeakerVolume
4-2. 當麥克風沒聲音 參考
https://wiki.ubuntu.com/Audio/CheckForMutedMicrophone
CheckForMutedMicrophone

5. 補充 檢查看看 聲卡硬件規格 對不對 ?

5-1. https://tw.buy.yahoo.com/gdsale/DELL-In ... 14787.html
DELL Inspiron 15 3000 15.6吋高效超值筆電-黑
中央處理器型號 i5-4210U
晶片組 內建

5-2. 顯示晶片型號 NVIDIA GT 820M
顯示卡記憶體類型 獨立顯卡

5-3. 中央處理器型號 i5-4210U 內建 a Mini HD audio controller 聲卡
http://www.intel.com/content/dam/www/pu ... asheet.pdf
Desktop 4th Gen Intel® Core™ Processors Datasheet, Vol. 1
P.31
2.6 Digital Display Interface (DDI)
The processor also integrates dedicated a Mini HD audio controller to drive audio on integrated digital display interfaces, such as HDMI* and DisplayPort*.
Figure 6 Processor Display Architecture

5-4. NVIDIA GT 820M
5-4-1. 在 http://www.geforce.cn/hardware
只有 NVIDIA 820M 沒有 NVIDIA GT 820M
為何是 nVidia ? 不是 AMD ?
把下面指令 複製 貼進終端機 執行
5-4-2. sudo lspci -knn
5-4-3. sudo lshw -numeric -class video
把結果直接 選取/複製 貼上來
目的 要確認 獨顯是 nVidia 還是 AMD ?
一般 聲卡晶片 內建在 獨顯

lzh@lzh-Inspiron-3541:~$ sudo lspci -knn
[sudo] password for lzh:
00:00.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1566]
Subsystem: Dell Device [1028:0657]
00:01.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Device [1002:9850]
Subsystem: Dell Device [1028:0657]
Kernel driver in use: fglrx_pci
Kernel modules: fglrx
00:01.1 Audio device [0403]: Advanced Micro Devices [AMD] nee ATI Device [1002:9840]
Subsystem: Dell Device [1028:0657]
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
00:02.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:156b]
00:02.1 PCI bridge [0604]: Advanced Micro Devices [AMD] Device [1022:1439]
Kernel driver in use: pcieport
Kernel modules: shpchp
00:02.2 PCI bridge [0604]: Advanced Micro Devices [AMD] Device [1022:1439]
Kernel driver in use: pcieport
Kernel modules: shpchp
00:02.3 PCI bridge [0604]: Advanced Micro Devices [AMD] Device [1022:1439]
Kernel driver in use: pcieport
Kernel modules: shpchp
00:08.0 Encryption controller [1080]: Advanced Micro Devices [AMD] Device [1022:1537]
Subsystem: Advanced Micro Devices [AMD] Device [1022:1537]
00:10.0 USB controller [0c03]: Advanced Micro Devices [AMD] Device [1022:7814] (rev 11)
Subsystem: Dell Device [1028:0657]
Kernel driver in use: xhci_hcd
00:11.0 SATA controller [0106]: Advanced Micro Devices [AMD] Hudson SATA Controller [AHCI mode] [1022:7804]
Subsystem: Dell Device [1028:0657]
Kernel driver in use: ahci
Kernel modules: ahci
00:12.0 USB controller [0c03]: Advanced Micro Devices [AMD] Hudson USB EHCI Controller [1022:7808] (rev 39)
Subsystem: Dell Device [1028:0657]
Kernel driver in use: ehci_hcd
00:13.0 USB controller [0c03]: Advanced Micro Devices [AMD] Hudson USB EHCI Controller [1022:7808] (rev 39)
Subsystem: Dell Device [1028:0657]
Kernel driver in use: ehci_hcd
00:14.0 SMBus [0c05]: Advanced Micro Devices [AMD] Hudson SMBus Controller [1022:780b] (rev 42)
Subsystem: Dell Device [1028:0657]
Kernel modules: i2c-piix4
00:14.2 Audio device [0403]: Advanced Micro Devices [AMD] Hudson Azalia Controller [1022:780d] (rev 02)
Subsystem: Dell Device [1028:0657]
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
00:14.3 ISA bridge [0601]: Advanced Micro Devices [AMD] Hudson LPC Bridge [1022:780e] (rev 11)
Subsystem: Dell Device [1028:0657]
00:18.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1580]
00:18.1 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1581]
00:18.2 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1582]
00:18.3 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1583]
00:18.4 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1584]
00:18.5 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1585]
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 07)
Subsystem: Dell Device [1028:0657]
Kernel driver in use: r8169
Kernel modules: r8169
03:00.0 Network controller [0280]: Atheros Communications Inc. Device [168c:0036] (rev 01)
Subsystem: Dell Device [1028:020c]
Kernel driver in use: ath9k
Kernel modules: ath9k

lzh@lzh-Inspiron-3541:~$ sudo lshw -numeric -class video
*-display
description: VGA compatible controller
product: Advanced Micro Devices [AMD] nee ATI [1002:9850]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 1
bus info: pci@0000:00:01.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=fglrx_pci latency=0
resources: irq:44 memory:c0000000-cfffffff memory:d0000000-d07fffff ioport:f000(size=256) memory:fe700000-fe73ffff memory:fe740000-fe75ffff


lzh@lzh-Inspiron-3541:~$ sudo lshw -numeric -class multimedia
*-multimedia:0
description: Audio device
product: Advanced Micro Devices [AMD] nee ATI [1002:9840]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 1.1
bus info: pci@0000:00:01.1
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:80 memory:fe764000-fe767fff
*-multimedia:1
description: Audio device
product: Hudson Azalia Controller [1022:780D]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 14.2
bus info: pci@0000:00:14.2
version: 02
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: driver=snd_hda_intel latency=32
resources: irq:16 memory:fe760000-fe763fff

多谢poloshiao的无私帮助，楼上是DELL 预装的驱动，我搞不明白原理，现在想了很多方法，由于英文水平不太好，看得头大，所以现在整个硬盘清空，然后重新分区，一个主分区，两个逻辑分区，预留空间（不分区也不格式化），在C盘重新装了WIN7系统，接着USB启动，用了DELL的UBUNTU U备份盘（因为第一次用的时候备份到的）恢复到预留空间，终于有声音和可以上网了，因为本来DELL预装的UBUNTU系统就用得好好的，但现在出现了英文菜单，找个时间在看看如何处理中文问题了。

*-multimedia:0
description: Audio device
product: Advanced Micro Devices [AMD] nee ATI [1002:9840]
configuration: driver=snd_hda_intel latency=0

*-multimedia:1
description: Audio device
product: Hudson Azalia Controller [1022:780D]
configuration: driver=snd_hda_intel latency=32

都已經辨識 驅動模組是 snd_hda_intel