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Moved desktop to other side of office, cannot get any sound out of it now!

I have done nothing other than unplug the wires, move the PC (Dell Precision 340, 2.53GHz) to another location, and reassemble.  Cannot now get ANY sound out of it (internal speaker OR external speakers) in spite of having checked the hardware functions and found that everything is "working normally".

I've also run the helpful Creative Diagnostics utility, which has also "confirmed" that everything is working normally.  Sound card is SB Live! and has always worked flawlessly in the past.

What on earth can be going wrong?  I've spent hours on this with no success.

Any help massively appreciated.

Grummy
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Grummy
Asked:
Grummy
1 Solution
 
tfjeffCommented:
I bet we have one of two problems, either the speaker wiring or where the speakers are plugged in....most of the time I get this call it's because the system has a sound card AND onboard sound....if this is the case, make sure the speakers are plugged into the line out (usually green in color) on the soundcard and NOT the onboard audio jacks (the sound card will be down lower than the onboard audio).  If this doesn't resolve the issue double check the speaker wiring and/or test using a set of headphones.
good luck
jeff
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GrummyAuthor Commented:
Yep - speakers are plugged into the green line out jack, just as they were before I moved the PC.  In fact, as far as I can possibly tell, EVERYTHING is the same as it was before except for the absence of sound.

Also, I get no sound from the internal speaker if I unplug the external speaker jack altogether.

And I've checked the speakers in a different PC (worked fine) and just for good measure checked some alternative speakers as well.  Like I said, some hours have passed :(

Puzzling isn't it?  Worth a lot of points, this one!!

Grummy
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woodendudeCommented:
Are you getting sound with headphones?
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GrummyAuthor Commented:

Oddly enough, yes.

That's telling us something, right?

Grummy.
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tfjeffCommented:
here are a couple pictures of the back of a pws340,
http://support.dell.com/support/edocs/systems/ws340/en/ug/back.htm#1034478
if your speakers are plugged into the green port that is shown on these pictures, they are in the wrong port....you didn't mention whether they were plugged into the integrated ports (the ones shown in the pictures) or a separate soundcard (in the expansion slots, labled with a number 2 in the picture).
jeff
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tfjeffCommented:
when you get sound with headphones, where are you plugging them in?
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GrummyAuthor Commented:
1. They're plugged into the green line-out port (the integrated port, not on a separate sound card) which is exactly where they were plugged when the PC last emitted sound!

2. I plugged the headphones into the jack on the front of the mini-tower, underneath the Dell flap that conceals an addional couple of USB ports.

G
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e_zedeckCommented:
HI Grummy,

One common problem (hardware issue) : open up the PC, and remove, and plug again the sound card. Some little dust (yes, dusts) can get inside your PC, and alter the connections between the socket and the card, especially when you do manipulate hardly the PC.

It also happens to myself, with my Sound card, and Graphic card.

Even if the sound card is reported to be seen and well detected in the Hardware manager, one conductor separated by a dust won't make it undetectable, but just don't have sound comming off.


And if the headphone is working, try to clean the green hole, because there may be dusts in it that prevents connections.

Some PC also, has its green jack a little bit to deep in the computer, so you need to push the jack harder inside, to make it connect well. Because headphones have got thiner jack, and can get in without problem, but speakers are a little to big to squeeze in. If that is the case, you may need to adjust the placement of your motherboard inside your PC.
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nobusCommented:
if you have sound on the earphone, the system is ok.Since the speakers are working also, i think you have a bad connection at the sound output plug, or the speaker input jack, so inspect them, clean them. If this does not work, try  another soundcard, as it is not easy to clean the inner parts of the sound output plug
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tfjeffCommented:
grummy,
you stated in an earlier post that you had a soundblaster 5.1, this is not available on the precision 340 unless you install an expansion card.  If running winxp/2000 please check control panel>sounds and audio devices>audio tab...what is the default playback device?  If it is infact the soundblaster live, please plug the speakers into the expansion card and test.

The front headphone jack can be connected either to the motherboard (for onboard sound) or to a soundcard, another way to go about this would be to see if the audio plug runs from the I/O board to the motherboard or from the I/O board to an expansion card, if it plugs into the expansion card, you need  to plug your speakers into the expansion card as well.
jeff
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GrummyAuthor Commented:
Jeff,

I'd actually written a comment to sign-off here, but then pressed the accept button above that seems to have deleted what I wrote.  I guess I'm having one of those techno-dumb days.

Anyway, I want to thank you profusely for staying with my stupidity on this one.  Questions like mine must drive you (all of you) nuts when the answer is so obvious.  It was your last posting that really got me thinking - because I had been sure that there was NO additional sound card on that PC.  So, after excavating the tower from under a heavy desk amongst a lot of other wiring (pitiful excuse, I know) I discovered that your first hunch was right all along.

Yes there's an expansion card, and yes the sound works when I plug into the card instead of the jack higher up the chassis.

I feel VERY stupid, but if it's any consolation to you I have spent something like 5 hours on this issue so I've kind of punished myself.  A good lesson learned.

So many, many thanks for your patience.

Best regards

Grummy
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tfjeffCommented:
Grummy,
Not a problem, thank you for finally attempting my solution ;)....I knew exaclty what it was when I first read your post because at my job, I get that call at least twice a month =).
jeff
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