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depending on the operating system open sound in control panel and select the speakers if they are shown and right click and set to default, ensure the check box for "all devices currently playing sound is ticked" if this isnt working try pluging the speaker into an ipod to ensure theve not popped.
There was a problem with the internal speakers with this model. Firstly, try a pair of external speakers plugged into the sound port, if these work , the issue lies with the internal ones.
If there is no sound through the external speakers, check that you have the sound driver installed, that the volume is set using the FN and F keys and that the sound icon on the desktop bar does not have a x through it indicating it is disabled.
You can download an updated sound driver from the Dell site, although i think Windows 7 comes with its own sound driver for this.
If the problem points to the internal speakers, you have a few choices: Return the laptop to Dell under warranty (if it is under warranty) Try to obtain a set of internal speakers and replace these Takr the laptop to a computer shop and get them to check the internal speakers and repair if necessary
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.
make sure the power is hooked to the back of the monitor, and that the speakers are hooked into it. make sure it is switched on and volume is at 50% or higher. if it still doesnt work, try hooking an mp3 player to the speaker jack. if they work, its the computer. if it doesnt work, replace the speakers.
the surround sound speakers plug into the rear of the computer with three plugs. an adapter comes with it to plug those three into one green plug. if you plug that green plug in, the rear and center speakers should work, although i don't know if the surround sound will work correctly but you should get sound
to localised your problem, try to plug your speakers to other sound source like mp3 player ,stereo system. if still no sound coming from it,your problem is within the speaker system. perhaps the audio power amplifier ic inside, need to be replaced.