[CentOS] No sound on HP 8540w, guidance requested
heller at deepsoft.com
Sat May 7 15:49:53 UTC 2011
At Sat, 7 May 2011 11:41:25 -0400 Robert Heller <heller at deepsoft.com> wrote:
> At Sat, 07 May 2011 08:22:58 -0700 CentOS mailing list <centos at centos.org> wrote:
> > Dear Experts
> > I have been unsuccessful getting the sound to work on a HP Mobile
> > Workstation HP 8540w.
> > Here's a brief rundown of where I am
> > I did a clean new install of Centos 5.6 from DVD, using the Gnome
> > Desktop option and no optional modules.
> > I enabled the firewall, but disabled SELINUX.
> > I installed three files from elrepo to make the wireless adaptor
> > work, and specified the video adaptor using the Gnome -> System ->
> > Preferences -> Display panel.
> > I ran "yum update" until all updates were completed, rebooted system
> > because the Kernel changed.
> > The system now works -- all of the following appear to function properly:
> > - USB connections
> > - wireless
> > - ethernet
> > - pointer-stick for the mouse
> > - the display at its "natural" resolution (1920x1200)
> > - An occassional beep does occur, proving that the PC speaker is connected.
> > However, I when I play any sound or movie file, I get no sound. I
> > know that the PC speaker produces low quality sound, but there should
> > be something.
> > I have experimented with the "Sound" setup, but none of the options
> > seem to produce good results.
> > Is there some special driver or option I need?
> Do a 'lspci | grep -i audio' in a terminal window and post the results
> here. This will list what sort of sound chipset your system has.
> You may need to download and install a driver, probably from the Elrepo
> repositority, much like you did for the wireless.
Also, it is possible that the sound card/chip is NOT connected to the PC
speaker. Most (all?) laptops / notbooks / netbooks / tablets do include
speaker(s) connected to the sound card/chip. Most (all?) *desktops* do
not -- they require *external* speakers ("sold separately") to be
Since this calls itself a "Mobile Workstation", I am not sure how things
are connected. Is "Mobile Workstation" 'fancy' terminology for "laptop"
or is it something else? Is this a 'lugable' machine (eg a desktop with
a carrying handle and built-in monitor)?
> > Any assistance or direction would be appreciated.
> > David
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Robert Heller -- 978-544-6933 / heller at deepsoft.com
Deepwoods Software -- http://www.deepsoft.com/
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