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Re: no sound from laptop, or through headset
That means that the driver that you updated to might be the wrong one especially if you used driver detective or something like that. You have to go to the website of the manufacturer of the laptop then download the specific drivers for your laptop. After doing that download and install the correct drivers.
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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.)
Go to your control panel and click on "sounds & audio devices". At the bottom of the "voice" tab (on Windows xp) there is a button for volume and one for advanced. click the "advance" it should bring you to speakers. There should be a drop down menu to select the speaker set up. Make sure it is set to the type of speakers you are using. Also in the first window that apears when you click the sound devices in the control panel there is a tab for Audio, make sure the correct system is showing.
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 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
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 hope this helps
In xp go to control panel>sounds and audio devices>audio (tab) then change the default and check use only default or uncheck it and it should allow both to work, I'm unsure exactly how to do it on vista because i don't have a copy of vista to tinker with right now.
Whats happened is that your "Audio Drivers" have been removed. Your audio device is inside your PC /laptop, probably on a bit of your computer called the motherboard, but in order for your computer to recognise and talk to your audio device it needs a bit of software called a driver. We need to find out what type of PC / Laptop you have, make another post on here with as much info on you PC/laptop as you can find, and state that you are looking for the audio drivers, myself or one of the other experts will then find the right drivers for you and tell you how to install them