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Thread: laptop internal speakers don't work

  1. #1
    Join Date
    Dec 2010
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    laptop internal speakers don't work

    The laptop model is HP Compaq CQ50.


    Here's the output of lspci:

    00:00.0 RAM memory: nVidia Corporation MCP78S [GeForce 8200] Memory Controller (rev a2)
    00:01.0 ISA bridge: nVidia Corporation Device 075e (rev a2)
    00:01.1 SMBus: nVidia Corporation MCP78S [GeForce 8200] SMBus (rev a1)
    00:01.3 Co-processor: nVidia Corporation MCP78S [GeForce 8200] Co-Processor (rev a2)
    00:01.4 RAM memory: nVidia Corporation MCP78S [GeForce 8200] Memory Controller (rev a1)
    00:02.0 USB Controller: nVidia Corporation MCP78S [GeForce 8200] OHCI USB 1.1 Controller (rev a1)
    00:02.1 USB Controller: nVidia Corporation MCP78S [GeForce 8200] EHCI USB 2.0 Controller (rev a1)
    00:04.0 USB Controller: nVidia Corporation MCP78S [GeForce 8200] OHCI USB 1.1 Controller (rev a1)
    00:04.1 USB Controller: nVidia Corporation MCP78S [GeForce 8200] EHCI USB 2.0 Controller (rev a1)
    00:06.0 IDE interface: nVidia Corporation MCP78S [GeForce 8200] IDE (rev a1)
    00:07.0 Audio device: nVidia Corporation MCP72XE/MCP72P/MCP78U/MCP78S High Definition Audio (rev a1)
    00:08.0 PCI bridge: nVidia Corporation MCP78S [GeForce 8200] PCI Bridge (rev a1)
    00:09.0 IDE interface: nVidia Corporation MCP78S [GeForce 8200] SATA Controller (non-AHCI mode) (rev a2)
    00:0a.0 Ethernet controller: nVidia Corporation MCP77 Ethernet (rev a2)
    00:0b.0 PCI bridge: nVidia Corporation MCP78S [GeForce 8200] PCI Express Bridge (rev a1)
    00:14.0 PCI bridge: nVidia Corporation MCP78S [GeForce 8200] PCI Bridge (rev a1)
    00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 11h Processor HyperTransport Configuration (rev 40)
    00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 11h Processor Address Map
    00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 11h Processor DRAM Controller
    00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 11h Processor Miscellaneous Control
    00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 11h Processor Link Control
    02:00.0 VGA compatible controller: nVidia Corporation C77 [GeForce 8200M G] (rev a2)
    07:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)
    The sound works if I connect an external speaker to the jack. But the internal speakers don't work.

    I have made sure sound is not muted and raised the controls in sound preferences, alsamixer and gnome-alsamixer.

    This is on Ubuntu 10.10. Output of uname -a:

    Linux tilo 2.6.35-24-generic #42-Ubuntu SMP Thu Dec 2 01:41:57 UTC 2010 i686 GNU/Linux
    How can I fix this problem?

  2. #2
    Join Date
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    Re: laptop internal speakers don't work

    Use the alsa-info-script to provide detailed information.
    Run this command in a terminal:
    Code:
    wget http://www.alsa-project.org/alsa-info.sh -O alsa-info.sh && bash alsa-info.sh
    Choose the upload option and provide a link for the output.
    [Terminal="Applications->Accessories->Terminal"]

  3. #3
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    Re: laptop internal speakers don't work


  4. #4
    Join Date
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    Re: laptop internal speakers don't work

    Try this. Using a Terminal="Applications->Accessories->Terminal"
    Open this file for editing:
    Code:
     gksudo gedit /etc/modprobe.d/alsa-base.conf
    Insert this line at the bottom:
    Code:
     options snd-hda-intel model=laptop position_fix=1 enable=yes
    Save. Close. Reboot.
    Check your levels in alsamixer.
    Code:
     alsamixer
    Press <F6> to select the correct soundcard.
    Press <F3> to show playback levels. <F4> selects capture levels [or use <Tab>]
    Use the left/right arrow keys to select and up/down arrow keys to change levels. <M> to mute/unmute.
    Go to "System ->Preferences ->Sound" and make sure the correct soundcard is default and adjust your profile on the hardware tab.
    On the output tab choose the correct device.

  5. #5
    Join Date
    Dec 2010
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    Re: laptop internal speakers don't work

    I followed all the steps you mentioned.

    After adding the line
    options snd-hda-intel model=laptop position_fix=1 enable=yes
    in

    /etc/modprobe.d/alsa-base.conf

    The jack also stopped working.

    In alsamixer I have selected HDA NVidia as the sound card.

    In Sound Preferences, there's only one device listed. I have tested all the profiles in the Hardware tab.

    Now, there's no sound output.

  6. #6
    Join Date
    Dec 2010
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    Re: laptop internal speakers don't work

    Update:

    In Sound Preferences, Hardware tab, when I select Analog Stereo Duplex or Analog Stereo Output, the jack works. But the internal speakers don't with any profile.

  7. #7
    Join Date
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    Re: laptop internal speakers don't work

    Gotcha. Replace that switch with this one:
    Code:
    options snd-hda-intel model=ideapad
    Remember to reboot to initialize then check alsamixer.
    Other models to try:
    Code:
     laptop	
     dell-laptop	
     olpc-xo-1_5

  8. #8
    Join Date
    Dec 2010
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    Re: laptop internal speakers don't work

    I am having the same problem with my internal laptop speakers not working. I've tried the solutions already listed. I get sound with a headset in the headset jack, but nothing through the internal speakers.

    Alsa-info-script: http://www.alsa-project.org/db/?f=05...12ee87fdfe6c79

  9. #9
    Join Date
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    Re: laptop internal speakers don't work

    Quote Originally Posted by Dthsapprntc View Post
    I am having the same problem with my internal laptop speakers not working. I've tried the solutions already listed. I get sound with a headset in the headset jack, but nothing through the internal speakers.
    You have different hardware, so that will not work for you. I'll need you to revert any changes you've made. Remove any custom entries from this file:
    Code:
    gksudo gedit /etc/modprobe.d/alsa-base.conf
    Update your install:
    Code:
    sudo apt-get update
    sudo apt-get upgrade
    sudo update-grub
    Reboot. Now this to update alsa. Using a Terminal="Applications->Accessories->Terminal"
    Add the ubuntu-audio-dev ppa:
    Code:
    sudo add-apt-repository ppa:ubuntu-audio-dev/ppa
    sudo apt-get update
    Now install:
    Code:
    sudo apt-get install linux-alsa-driver-modules-$(uname -r)
    Reboot
    Check your levels in alsamixer.
    Code:
     alsamixer
    Press <F6> to select the correct soundcard.
    Press <F3> to show playback levels. <F4> selects capture levels [or use <Tab>]
    Use the left/right arrow keys to select and up/down arrow keys to change levels. <M> to mute/unmute.
    Go to "System ->Preferences ->Sound" and make sure the correct soundcard is default and adjust your profile on the hardware tab.
    On the output tab choose the correct device.

  10. #10
    Join Date
    Dec 2010
    Beans
    10

    Re: laptop internal speakers don't work

    options snd-hda-intel model=ideapad
    works.

    Thanks lidex.

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