I've had this happen many times.
Almost always it was fixable from the control panel. Somehow the sound settings got changed.
I have actual stereo amps connected to the laptops. Watch yard sales, you can get a good older one for $5 to $10 now that everybody wants 5.1 or 7.1 sound.
Assuming a Windows OS, there is some sort of audio control panel. Go
under the control panel, find it and see if it's set up to run your
speakers. This control panel should say SOUND. There may also be a control
panel for your sound card. Play with the various controls.
Google your speakers to see if they may be opened easily.
Got a voltmeter? What's your power supply voltage? Check the continuity
of the input cable.
Cheap speakers aree always available on CraigsList.
the first thing to do is to unplug and then
replug in all cords.
sometimes a cord may look connected, but can
get some oxidation, dust or gunk in it which
worth a shot.
a blown fuse is another option, some manufacturers
make it easy to replace them and others don't.
also, if you are trying to open the units see if
there is a manual on-line for them (often there is
or for similar units) so you can see how to open them
easily. those little rubber footies underneath often
can hide connectors...
That was certainly a problem in XP. I posted in the XP group about
the .wav sound getting muted several times even though I did nothing.
It turned out to have something to do with closing Skype. iirc
But that's why I asked about the OS. With Vista and higher, double
click on the speaker in the systray and you can see the volume going
up and down in the little box that opens.
In addition, right click on the speaker and open up Playback Devices.
Each device has a volume/amplitude meter, but only one will show
sound. If he's lucky, that will be the one that has the speakers
plugged into it, but that's not guaranteed. If somehow it changed to
other output, no sound will come out of the speakers.
On Wednesday, October 28, 2015 at 2:26:55 PM UTC-4, firstname.lastname@example.org wrote:
You jinxed me!
I pulled a set of old computer speakers out of storage to put in my window
so the Trick or Treaters can have some Halloween music. (Pandora, Halloween
Party). The music goes along with my decorated yard.
There's a powered sub-woofer box and 2 speakers. I plugged the 12V DC adapter
into the sub-woofer box and...nothing. No power light on the box. I moved
the box and heard a buzz as the powered light flashed and then went out. A
wiggle here, a jiggle there and the power light goes on and off.
I opened the box and found a bad solder joint where the power connector
connects to the board. A quick and easy fix.
The spooky tunes are playing.
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