The volume and mute buttons do not affect the volume on a dell inspiron 600m.
Please file a bug report in the X.Org bugzilla located at http://bugs.freedesktop.org in the "xkeyboard-config" component for this issue. Once you've filed your bug report to X.Org, if you paste the new bug URL here, Red Hat will continue to track the issue in the centralized X.Org bug tracker, and will review any bug fixes that become available for consideration in future updates. Setting status to "NEEDINFO_REPORTER", and awaiting upstream bug report URL for tracking. Thanks in advance.
If this problem is still present in Fedora Core 5, with all available updates applied, please file a bug report in X.Org bugzilla at http://bugs.freedesktop.org in the "xorg" component. Once you've filed your bug report to X.Org, if you paste the new bug URL here, Red Hat will continue to track the issue in the centralized X.Org bug tracker, and will review any bug fixes that become available for consideration in future updates.