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I have Altec Lansing Speakers. They were working fine Saturday. I just tried to use them for class and now I am not geting any sound. I checked all the wires and they are all plugged in. I am getting no response from the speakers. The main speaker is faintly blinking the word "Quad." Cn you help?

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There are many models of Altec speakers, which do you have?

Most computer speakers include built-in amplifiers, volume and
tone controls, remote, audio processing, cross over networks...
etc.

These are sophisticated electronics devices, not the passive
speaker boxes of the 1970's

If any of the internal electronics, or even the internal power supply are fried, they will not work.

But don't miss the obvious:

1) Double check not only the cables, but also the audio-card
software settings.

Most new audio cards have programmable inputs and outputs,
some automatically detect what is connected to them.

Make sure that the settings are correct.

2) Make sure that the Audio card is not set for digital output
with analog speakers or vice versa.

3) Check the Windows mixer/volume control, or the mixer applet
that came with your audio card (or motherboard) to make
sure that the audio output is not MUTED or attenuated
anywhere in the audio path.

4) Make sure the Windows Vista DRM is not getting in the way.
(try non-protected audio files)

5) Finally try your speakers on another computer.

6) If the speakers are analog, connect them to the "LINE-OUT"
output of your home stereo to confirm if they are defective.

(This may require an RCA plug to miniature stereo adapter)

7) If the speakers are determined to be dead, phone ALTEC
tech support, insist on speaking to an engineering manager,
complain and make your self sound very important...

They may send you a free replacement.


I have found the ALTEC staff to be exceptionally helpful and
professional. On one occasion, they have acknowledged an
inherent design problem with a particular speaker model,
and sent me a more expensive replacement under warranty.

There are very few companies as GOOD as ALTEC, when it
comes to customer service.

Martin

Posted on May 08, 2008

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