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Hi I am using Red Hat Linux 9.0 and unable to hear any sound. When I click on Volume control error of Invalid mixer device unable to open the dev/mixer I have checked the permissions and have changed them. Kernel on i686. I have also run sndconfig utility and have found on the Intel Corp l82801EB AC '97 Audio. After the test from the PCI probe Results that the Intel Corp is not supported I have also went on the WWW.ALSA-PROJECT.ORG website but did not know which drivers/libs/untils to download. Any suggestions ???



Andy M tongue.gif
Plenty... first one is, you should upgrade your Linux distro.

redhat-9 is pretty old.

Otherwise, you should consider upgrading your kernel etc.. but that may break many apps in Redhat-9.0. Because you cant straightaway upgrade from 2.4 version of kernel to 2.6.

You can also try installing drivers given at intel side.
Upgrade your Kernal this is Help You.
Why not download and install one of the free recent debian versions like xandros, libranet og MEPIS? That should take care of the problem.
If you have RedHat experience, then you will be most comfortable upgrading to one of the new RedHat branches. The community branch, Fedora is quite a popular distribution, although it doesn't come with MPEG support (it can be easily installed though). Alternatively, you could upgrade to RHEL (Red Hat enterprise Linux) although it's probably overkill for a desktop PC.

If you are new to Linux, or not especailly confident, a distribution like Mandriva or Fedora would be the best way to go - They are designed for ease of use (Mandriva especially). Debian is harder to use than either Fedora or Mandriva, and is best avoided until you get the hang of things (that's not to say it's a bad distribution though).

I doubt upgrading the kernel will help, the support packages needed to use sound are just as likely to be at fault as the kernel itself.

If you fancy a challenge, then have a look at the sticky-topic in "HArdware Support" and try and get us some information about your hardware config and installed kernel-modules etc. (instructions are in the sticky)

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