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switch on the speaker system remove the jack connected to your pc.give full volume / off volume, just touch the jack pin from your finger.check the sound is coming. if sounds well your speaker is ok.problem with pc. if not in woffer ic has to be replaced.
Troubleshoot the issue by plugging in a different set of speakers or head phones into your computer.
If the new pair of speakers/headphones works, then your other speakers are broken. If the new pair of speakers/headphones do not work, then the problem is with your computer audio, and I would recommend updating the drivers.
Make sure that your computer
and speakers are plugged in, have power and are turned on. If the
speakers are plugged in but don't appear to have any power, plug them
into a different outlet. Some speakers are self powered and use a USB
cable to supply power. Make sure that the USB cable of your speakers is
connected securely to the USB port of your computer.
Retest the sound. If you still
don't have any sound, make sure the cable connecting the speakers to the
computer (known as a 1/8-inch TRS cable) is plugged into the green
audio output jack on the PC.
If you're using self-powered USB
speakers, remove the USB cable and plug it into a different USB port.
If you're using outlet-powered speakers and have a working set handy,
replace the suspected non-working speakers with the working pair to
Navigate to the Microsoft Fix It
automatically detect and fix sound playback or hardware problems. If
that doesn't work, proceed with the next step.
If you have an add-on sound card
and none of the hardware or software fixes helps, you may have to
replace the sound card. If you use on-board sound, it will probably pay
to purchase an inexpensive sound card rather than a new motherboard.
Check the system BIOS to determine whether you have inadvertently
disabled your on-board sound.
Navigate to the "Start" menu and
select the "Control Panel" and "Sounds and Audio Devices." Then click
the "Volume" tab. If everything is grayed out, proceed to Step 7. If the
"Mute" box is checked, uncheck it. In "Device Volume," make sure that
your volume level is set to a comfortable volume level for your
Click the "Sounds" tab. Under
"Sound Scheme," determine whether "No Sounds" is selected. If it is,
click "Sound Schemes." A drop-down list will appear. Select "Windows
Default" as the scheme. To test your sound now, click on a sound listed
below the "Program Events" window. The sounds will be indicated by a
small "Speaker" icon located next to them. Left-click the sound once,
then click the "Play" button. If you still don't hear sound, proceed
with the next step.
Click the "Audio" tab. Under the
"Sound Playback" option, make sure your sound card is selected as the
default playback device. Usually, only one device appears here, unless
you have multiple playback devices installed.
If everything is grayed out, you
either do not have a playback device installed or your drivers are
corrupted and need to be replaced. Drivers help hardware and software
function together. Fix this by reinstalling the appropriate drivers. Do
this by navigating to the "Start" menu and right-clicking "Computer."
Then select "Properties" from the drop-down menu. Click the "Hardware"
tab and then click the "Device Manager" button. The Device Manager will
Look for either a red X or a
yellow question mark listed under "Sound, Video, and Game Controllers."
If a red X appears, right-click the device with the X and select
"Enable" from the pop-up menu. Test your sound at this point. If a
yellow question mark appears, right-click the device, click "Properties"
from the pop-up menu, and then click the "Driver" tab on the window
that appears. Next, click the "Roll Back Driver" button to roll back to
the previous drivers that were functioning correctly. Restart your
computer when prompted.
As a last resort, you can
uninstall and reinstall the device. To do this, right-click the device
and select "Uninstall" from the pop-up menu. Restart your computer.
Windows will automatically detect and install your audio device upon
boot-up. If you still don't hear any sound from your computer speakers,
contact a qualified computer technician.
Hey bud, are u sure you have a 5.1 channel sound card . if not that is what is not allowing ur speakers to all work ,,, if u do , , then try the speakers on a different PC and if they do the same , it could be faulty.. Hope u come right bud
Re-starting the PC won't do anything for the speakers. The PC can't see them! What it can see is the sound device, card or on-board chip. If you had a previous pair of speakers working on the same connection, it seems unlikely that your sound device is to blame. Try slowly removing and re-inserting the plug a few times whilst some music is playing to see if the sound suddenly comes on. Some of these plugs are not too good at making connection! If this is unsuccessful get back and I will take you thro' proceedure to check your sound device. Ian. P.S. Take it the power light is on the speakers?
There is a lot problems, arise from this particular hardware, you can RMS your product, Subwofer for a change for other if has warranty, or buy another sub, from any Radio Shack or other store. may be the insider split sound board if bad, or fried.
try any other brand like Sound Blaster Speakers. for 2.1 speakers.