Rather doing a driver hunt
Note: it will find all of your outdated drivers
This is afree driver solutions
which will automatically search for and find the correct driver
You will have to update every driver individually once you update you might be asked whether you want to restart or make a system restore point.
Click no to both of these then continue updating each driver free then restart once all of the drivers have been updated.
It might take some time being free.
or you might try cnet
Just type in what you want or need be specific you might have to try a few times to get it right.
Tick in either the all software or the windows software box.
IE: Motherboard name sound drivers
for windows 7
Click start right click on computer select properties then device manager scroll to sound and video game controllers if you see a yellow question/exclamation mark or a red X the driver will need to update drivers.
Click start right click on computer select properties then device manager scroll to sound and video if you right click on sound and video then on high definition audio device select update driver software.
Click start control panel hardware and sound manage audio devices right click on your speaker select configure speakers.
Right click on the speaker icon in the bottom taskbar you will see an array of options select
playback devices make sure it has a green tick and the correct speakers are selected
be updated if you computer came with a motherboard disk the drivers could be on it although
once speakers are connected widows 7 should automatically update the drivers.
Click start control panel hardware and sound manage audio devices playback you might have to set a default go for via high definition audio then right click on speaker.
You might have to configure them then select properties you will see tabs general level in this tab make sure your settings are loud enough also enhancements and advanced from the drop down list in the advanced tab select dvd quality or another then apply