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Re: no audio device
If you are not finding the drivers for your notebook you can download it from the website www.driverpool.com here you to select your notebook model and choose the operating system that you have in your notebook and download the drivers( If you have a motherboard cd you can also install the sound driver from it)
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Hello 1 Have you installed the correct and latest sound drivers for your laptop. 2 In control panel , sound options be sure your sound device is checked as default device and is on.Also verify volume is up.Use the qudrophonic or desktop sound option,
Open the Control panel
2. Open the "Sounds and Audio Devices" icon.
3. Verify the "Place volume icon in the taskbar" checkbox is checked. If this option is not available or is grayed out, skip to the next section of this document.
4. If you were able to check this box, click ok and close out of this window and the Control Panel.
5. Double-click the sound icon in the Systray and verify that all the sound volumes are mid-way or higher.
Check Windows services. Right Click My Computer and Manage. Choose Services and Application > Services. Choose "Windows Audio" and set to Automatic and Start.
Now next you can do is
If you open control panel & click device manager the window that opens will show a list of all installed hardware. Look for anything with an exclamation mark beside it, or to do with sound. If you see anything, right click it, check it isn't Disabled then select "Properties." The next window should have some tabs along the top, the one you are looking for is "Driver," you should now see an "Update driver" button.
Check ur sound card information by doing this
Click on start menu
Click on Run
Type dxdiag, enter
Click on the sound tab
There is button of test direct sound click on this check if there is sound
Check ur registry. Check if the sound registry key is enabled or disabled. There could be an error in registry, run registry cleaner reg in out to scan for errors.
Click start > Settings > Control Panel > Sounds and Audio Devices. Make sure it is not muted and volume is on high.
Click audio tab and under Default device is it set to SoundMAX HD Audio? if this device is not available try another device and click Apply and test. (you may need to close windows media player or whatever is playing the sound and reopen after changing default device)
First, go to control panel - > Audio devices, then right-click any empty spot on the sound device, and show disabled or disconnected devices. If "Speakers" shows up, right-click and choose set as default (or something similiar). If this does not work, just reinstall your audio drivers. Right-click my computer -> Properties -> Hardware - > Device manager - > Sound, then find the sound cards manufacturer name, and right-click an press uninstall.
the smbus controller holds the driver for ur audio device so first try to set the smbus controller driver
if it again shows a ? mark in device driver nothing happenns just make a forced installation of ur audio driver