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Do you have the AC adapter plugged into a live outlet and have you turned on the speakers? Make sure that the speaker signal cable is plugged into the correct port on your computer (the lime green port on a desktop). Check that the correct audio driver is installed for your computer. (With Windows 8, use the Device Manager to check. From the Start Screen, type in Device Manager. Click on Settings and then select Device Manager. Alternatively, Windows key+C on the desktop. Select Settings and then Control Panel. You can find the Device Manager under System and Security or Hardware and Sound.) Scroll down to the Audio devices. Expand the section and look for a red triangle with an X or a yellow triangle with an exclamation point. Try updating the driver (check with the manufacturer of your computer for the latest driver). Even if you don't see the error triangle, try reinstalling the latest driver.
Next check if the speakers work on another computer. If they don't work, the audio cable may be damaged. Try a different set of computer speakers on your computer. If other known good speakers do not work and the correct audio drivers have been installed, check the audio output devices. Go to the Control Panel > Hardware and Sound page (as described above). Choose Manage Audio Devices. Check if the HDMI port is set as the default audio device. Disable it for a bit (right click on the device) . Sometimes when a new video card is installed, the audio device defaults to this port. This messes up the drivers for the regular audio.) Reboot the computer and then try reinstalling the audio driver. Reboot again. If it still fails, there is probably something wrong with the audio device hardware. If you are using an add-on sound card, try disabling it and using the motherboard audio device. (A number of add-on sound cards didn't work well with Win7 or Win8. The on-board audio drivers worked better.) If you are using the motherboard audio on a desktop, try an add-on sound card. (Check for Windows 8 compatibility (drivers) before selecting any card.)
click start control panel sounds and audio,volume,advanced,speakers make sure you have selected the (((appropriate speakers))) also audio you will find 3 drop down lists make sure you have the correct settingsthere also if you have the right ones selected
try swapping the speakers around if the problem still persists either the speaker is faulty the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the CPU central processing unit and your sound card dust causes static to build up in a computer causing it to overheat any many other problems hope this helps
if your computer came with a motherboard disc the sound drivers could be on it click start control panel administrive tools computer management device manager scroll to sound,video and game controllers you might see a yellow question exclamation mark? ! or a red X Right click to reinstall drivers click start control panel sounds and audio,volume,advanced,speakers make sure you have selected the (((appropriate speakers))) also audio you will find 3 drop down lists make sure you have the correct settingsthere also click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick it if his does not fix the problem click start control panel sounds and audio devices you can adjust the volume there also select speaker volume you can change your settings there you can also tick in the box place icon in taskbar for any further volume control settings you will need to right click on the volume iconsystem select adjust volume
click start control panel sounds and audio,volume,advanced,speakers select the appropriate speakers from the drop down list or navigate to the device manager scroll to system devices + to expand,system speaker right click properties then select use this device (enable) also you might check the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the sound card and the CPU central processing unit dust causes static to build up in a computer hope this helps
try swapping the speakers
around if the problem still persists either the speaker is faulty or the speakers plug/outlet is
usually at the back of the computer you will have to open up the computer
to check the lead attached to the rear of the input plug make sure the
connection is good or you might have to clean
the dust from your computer dust causes static which causes your computer to
overheat and all sorts of problems be sure to wear an anti
static earth strap before touching anything inside your computer try
cleaning your computer of dust using a fine air blower from a compressor making
VERY sure that there is no MOISTURE in the air line specifically around the CPU
central processing unit and your SOUND CARD dust causes static to build up in a
computer causing it to overheat any many other problems hope this helps you
if your computer came with
a motherboard disc the sound drivers could be on it click start control panel
administrive tools computer management device manager scroll to sound,video and
game controllers you might see a yellow question exclamation mark? ! or a red X
Right click to reinstall drivers click start control panel
sounds and audio,volume,advanced,speakers make sure you have selected the (((appropriate speakers)))
also audio you will find 3 drop down lists make sure you have the correct
settingsthere also click start control panel
sounds and audio devices select advanced there might be a tick in the mute box
untick it click start control panel
sounds and audio devices you can adjust the volume there also select speaker
volume you can change your settings there you can also tick in the box place
icon in taskbar if his does not fix the
problem
click start control panel sounds and
audio,volume,advanced,speakers select the appropriate speakers from the drop
down list or navigate to the device manager scroll to system devices + to
expand,system speaker right click properties then select use this device
(enable) also you might check the speakers plug/outlet is
usually at the back of the computer you will have to open up the computer
to check the lead attached to the rear of the input plug make sure the
connection is good try cleaning your computer of dust using a fine air blower from a
compressor making VERY sure that there is no MOISTURE in the air line
specifically around the sound card and the CPU central processing unit dust
causes static to build up in a computer hope this
helps
If you are having problems with you sound if your computer came with a motherboard disc the sound drivers could be on it click start control panel administrive tools computer management device manager scroll to sound,video and game controllers you might see a yellow question mark? Right click to reinstall drivers or uninstall click start control panel sounds and audio,volume,advanced,speakers make sure you have selected the (((appropriate speakers))) also audio you will find 3 drop down lists make sure you have the correct settingsthere also click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick it click start control panel sounds and audio devices you can adjust the volume there also select speaker volume you can change your settings there you can also tick in the box place icon in taskbar if his does not fix the problem
click start control panel sounds and audio,volume,advanced,speakers select the appropriate speakers from the drop down list or navigate to the device manager scroll to system devices + to expand,system speaker right click properties then select use this device (enable) also you might check the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the sound card and the CPU central processing unit dust causes static to build up in a computer hope this helps
try swapping the speakers around if the problem still persists either the speaker is faulty the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good be sure to wear an anti static earth strap before touching anything inside your computer try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the CPU central processing unit and your sound card dust causes static to build up in a computer causing it to overheat any many other problems hope this helps
if your computer came with a motherboard disc the sound drivers could be on it click start control panel administrive tools computer management device manager scroll to sound,video and game controllers you might see a yellow question mark? Right click to reinstall drivers or uninstall click start control panel sounds and audio,volume,advanced,speakers make sure you have selected the (((appropriate speakers))) also audio you will find 3 drop down lists make sure you have the correct settingsthere also click start control panel sounds and audio devices you can adjust the volume there also select speaker volume you can change your settings there you can also tick in the box place icon in taskbar if his does not fix the problem
have you tried this control panel sounds and audio,volume,advanced,speakers select the appropriate speakers from the drop down list or navigate to the device manager scroll to system devices + to expand,system speaker right click properties then select use this device (enable) also you might check the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the sound card and the CPU central processing unit dust causes static to build up in a computer make sure you have an earth ******** before touching any parts inside your computer hope this helps
Id try to find another power supply to plug into them with the same voltage. Usually 9-12 volts. Walmart,radio shack, or kmart have universal power supplies you can purchase to test them. Maybe keep the receipt and return it on the chance that it still doesnt work(in which case you'll need a new set of speakers).
I have set up Koss desktop speakers properly (I think) -- they are plugged into the power outlet, plugged into each other, and plugged into the CPU of my computer. But there is no sound at all coming out -- just silence.Can You Please Help Me
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