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Thread: No sound

  1. #1
    Join Date
    May 2017
    Beans
    40

    No sound

    Hi,

    I have Ubuntu 16.04, on an ASUS laptop. Suddenly I have no Sound from mp3 and video clips with different players. Note that the sound is not muted. What can I do ?

  2. #2
    Join Date
    May 2017
    Beans
    40

    Re: No sound

    By the way, if I do the following:

    PulseAudio - Output Devices

    There is only one device here called "Dummy Output". Is my Sound card missing here ?

  3. #3
    Join Date
    May 2017
    Beans
    40

    Re: No sound

    I tried

    Code:
    aplay -l
    Output is


    Code:
    aplay: device_list:268: no soundcards found...

  4. #4
    Join Date
    May 2017
    Beans
    40

    Re: No sound

    After running the command :

    Code:
    discover
    I get :

    Code:
    Atheros Communications Inc. AR9565 Wireless Network Adapter 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Linux Foundation 3.0 root hub 
    unknown unknown 
    unknown unknown 
    Realtek Semiconductor Corp. RTS5129 Card Reader Controller 
    Pixart Imaging, Inc. Optical Mouse 
    Linux Foundation 2.0 root hub

  5. #5
    Join Date
    Jun 2018
    Beans
    1

    Re: No sound

    i have the same after uopgrade yesterday to 18.04 from 17.10...

    lx2kw@blacks:~$ aplay -l
    **** List of PLAYBACK Hardware Devices ****
    card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    lx2kw@blacks:~$

    and dummy sound in the graphical interface , didn't find the solution intil today
    laptop is acer aspire 5735Z
    Hans

  6. #6
    Join Date
    May 2017
    Beans
    40

    Re: No sound

    Another command :

    Code:
    mehdi@mehdi-X556UQK:~$ sudo lspci
    [sudo] password for mehdi: 
    00:00.0 Host bridge: Intel Corporation Device 5904 (rev 02)
    00:02.0 VGA compatible controller: Intel Corporation Device 5916 (rev 02)
    00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 02)
    00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
    00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
    00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller (rev 21)
    00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller (rev 21)
    00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI (rev 21)
    00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
    00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1)
    00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
    00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
    00:1f.0 ISA bridge: Intel Corporation Device 9d58 (rev 21)
    00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
    00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
    01:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 940MX] (rev a2)
    02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
    03:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)

  7. #7
    Join Date
    May 2017
    Beans
    40

    Re: No sound

    Maybe the problem is in latest kernel 4.4.0-128-generic .I tried to use an older kernel, but I ran into boot problems .Should I wait for newer kernels to be distributed ?

  8. #8
    Join Date
    May 2017
    Beans
    40

    Re: No sound

    I followed this link, downloaded and installed .deb files, but still sound card is not recognized.

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