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Centra Microphone Feedback
by
Steve Giesel
Some of you have
been experiencing feedback problems with your new laptops when
participating in a Centra conference. I had a News & Notes item about
this issue on the ETCS home page for a time, and I’ve reprinted the
instructions below. Look for a Quick Tip item for future reference as
well.
I know the problem
can be aggravating, but fortunately the fix as outlined is simple. Be
sure to test your existing microphone on another computer, and/or try a
working mic on your machine when tracking down the problem. This will
quickly eliminate the microphone as the problem.
I know of at least
one instance where no microphone could be made to work at all. It
turned out this was a hardware failure in the laptop sound card. If
you’ve made sure you have a working mic and have completed the fix
instructions but still can’t make it work, it may be time to call ETCS.
You can contact
Charlie Baerwald at
baerwaldc@missouri.edu,
or
Chris Pfingsten at
pfingstenc@missouri.edu
if your efforts have failed in this regard.
ETCS is happy to
assist you, but we do handle a high volume of call traffic—so please be
sure to exhaust all avenues prior to calling, thank you.
---------------------------------------------------
- Go to Start » Control
Panel » Sound.
-
In the window that opens, click
the Recording tab. You should see icons for your built-in and
external mic, as well as icons for "Line In" and "Phone Line."
-
Right-click the built-in
microphone icon.
-
Click Disable. The icon
should disappear or be marked with a red "X."
-
If both of your microphone icons
disappear, right-click one of the remaining icons and choose, Show
Disabled Devices. Both microphone icons should reappear.
- Right-click the external
microphone icon and choose Enable. This should take care of your
problem.
Back
Last Revised:
07/25/08
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