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Old 10-01-2010, 11:45 AM   #1
martin71canada
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No Sound in Ubuntu 10.04 on my netbook apart from headphone jack


Hi,
I am very new to Linux of any description.
I have installed Ubuntu 10.04 and it all works apart from the sound, which only works through the headphone jack.
I have checked all the boxes and settings , nothing is muted or turned off, re-installed pulseaudio and now i am at the end of my patience.
I have read others comments on how to fix it, but to be honest I didnt have a clue what they were talking about , something about changing values or something, I wouldnt know where to start!
Can anyone please help before I go out and buy Windows 7??

Many thanks

Martin
 
Old 10-01-2010, 12:15 PM   #2
martin71canada
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/etc/modprobe.d/alsa-base

where is this text and how do I add to it????
 
Old 10-01-2010, 12:36 PM   #3
martin71canada
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how to add options to file alsa-base.conf

options snd-hda-intel model=ref


I have just installed Ubuntu on my netbook and it has no sound now, ive looked at several 'fixes' , one says to addthe above to another line?

This makes no sense to me, where do I add it to? I need to add:

options snd-hda-intel model=ref

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

where do i do this and how?

thanks
Martin
 
Old 10-01-2010, 12:41 PM   #4
janhe
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/etc/modprobe.d/alsa-base.conf is the name of a file. Try to open it with a text editor. You can find it in the directory "modprobe.d" under the directory "etc" under the root directory.

If it doesn't exist, you can create it, and add that line to it in one simple step.

open a "terminal" aka "command prompt"
(looks like a window with white letters on black background, somethimes black letters on white, or green on black)

there execute the following command:
Code:
echo "options snd-hda-intel model=ref" >> /etc/modprobe.d/alsa-base.conf
 
Old 10-01-2010, 01:10 PM   #5
tredegar
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Martin
PLEASE stop posting what is basically the same Q all over LQ, sit back, and give someone a chance to answer you.

/etc/modprobe.d/alsa-base
is a file (except that it is called /etc/modprobe.d/alsa-base.conf ) on my ubuntu 10.04

Meanwhile, we need to know more about what your sound card is.
lspci in a terminal is likely to tell you, then you tell us.

Have you run alsamixer in a terminal, and turned everything up?

Welcome to LQ.
 
Old 10-01-2010, 01:11 PM   #6
tredegar
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Quote:
I have read others comments on how to fix it, but to be honest I didnt have a clue what they were talking about
If you gave us a link to these "comments", and just what you do not understand, perhaps we could help you better
 
Old 10-01-2010, 01:20 PM   #7
tredegar
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OK.
I have read all your posts about this problem.

It seem that to get sound working you'll have to:

Open a terminal
Type sudo nano /etc/modprobe.d/alsa-base.conf
Give your password.
Enter the following text as new line in the file:
options snd-hda-intel model=ref
Save the changes and exit:
Ctrl-o Return Ctrl-x
Reboot.
Any better?

If not, please answer the questions in the above posts.

I have asked the mods to place all your posts on one place, here.
 
Old 10-01-2010, 01:25 PM   #8
martin71canada
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still lost!

I have opened the file in the terminal window, lots of info there, where do i enter the new line? I appreciate your help
 
Old 10-01-2010, 01:33 PM   #9
martin71canada
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00:00.0 Host bridge: Intel Corporation N10 Family DMI Bridge
00:02.0 VGA compatible controller: Intel Corporation N10 Family Integrated Graphics Controller
00:02.1 Display controller: Intel Corporation N10 Family Integrated Graphics Controller
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 02)
00:1d.0 USB Controller: Intel Corporation N10/ICH7 Family USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation NM10 Family LPC Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation N10/ICH7 Family SATA AHCI Controller (rev 02)
00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 02)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 04)
01:00.1 Class ff00: Realtek Semiconductor Co., Ltd. Device 5288 (rev 01)
02:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
 
Old 10-01-2010, 01:53 PM   #10
tredegar
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Quote:
Originally Posted by martin71canada View Post
I have opened the file in the terminal window, lots of info there, where do i enter the new line? I appreciate your help
Enter the new line, anywhere, I don't think it matters, but it must be on a line of its own, not added to any other line. Be very careful not to change anything else in the file, just add the extra line.
Blank (empty) lines in the file do not matter, and will be ignored.

The cursor arrows, Home, End and Return keys will help you here.
nano is just a very simple editor. It's pretty intuitive (and smart, when you get to know it a bit better).

From your lspci output, your sound is:
Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)

This information will help you with your google searches. Please NOW bookmark google's special search engine for all things linux:

http://google.com/linux

Try it
 
Old 10-03-2010, 03:15 PM   #11
Mara
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Thread title changed to be more descriptive.
 
Old 10-07-2010, 03:18 PM   #12
martin71canada
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No Different Im afraid, wondering whether to switch back to windows 7 as the sound worked fine before I installed Ubuntu!
 
  


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