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Well it is possible that the audio driver installed is not the one compatible with you computer board. Try downloading the specific driver needed for your computer's official website. This should solve your problem.
The audio output device in your computer is the audio adapter board (or circuit). This is the device that produces sounds and send them to the speakers.
If you get a message telling you that there is no Audio Output Device detected, or that the Audio Device is not working, that usually means that there is a problem with the audio driver.
In that case the problem is often fixed downloading and reinstalling the drivers for your audio device. If there is a problem with the audio output device, go to the computer manufacturer website (e.g. Dell, HP, Sony etc.) and download the audio drivers for your specific model. When download is complete install the drivers and restart the computer.
You don't need a driver for the speakers, but a driver for the sound card installed inside your computer. If the computer came with that sound card then you can find the proper driver from the manyfacturer website -> Support section.
Sound drivers need to be reinstalled sometimes after iTunes updates or video game installs.
click start control panel administrive tools ,computer management ,device manager scroll down universal serial bus controllers you should see a yellow question mark? right click to reinstall drivers or if you can see your usb but its not working ports(com&lpt)right click update driver if your computer came with a motherboard disc the sound drivers could be on it you might have to uninstall then reinstall both the sound drivers and the sound card make sure you have both of these devices backed up to a disc before uninstalling a yellow? question mark means you need to install/update driver to do this right click to install driver also 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 select 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) hope this helps
you might have to uninstall then reinstall either the driver or the sound devices control panel sounds and audio,volume,advanced,speakers select appropriate speakers or audio you will find 3 drop down lists make the necessary adjustmentsthere or control panel,administrive tools,computer management,device manager,sound,could be a yellow question mark? right click to re-install drivers or right click select properties to either troubleshoot,uninstall,rollback driver hope this helps
Click Control Panel
Click Classic View
Click the Properties tab
Click Device Manager
Expand the "audio" branch of the tree.
Do you see an audio-device? Probably not.
Do you see an "Unknown Devices" branch of the tree?
If so, expand that branch, and double-click the "unknown" device.
Click "Reinstall Driver".
If asked whether you want to search the Internet for the software-driver, click "Yes".
Windows will install the drivers for the "audio device".
If your lappy says that no audio output installed it means either your audio driver got uninstalled or it got updated so you have to either reinstall it again or rollback to previous driver verson. so follow the path.
start>control panel>system (computer logo)>device manager>sound, video, game controllers>driver> if driver is not working properly then install it from the back up CD which you may hav got with your laptop.
and if driver is working properly then see the roll back driver option. press it and let it go back to previous driver verson. manu path is same for it..
start>control panel>system (computer logo)>device manager>sound, video, game controllers>driver>