, you have not told us if there is any audio driver installed on your computer or not. But the error message clearly stated that, you have an audio driver already installed for your motherboard model. So, if the driver is not properly working or you just want to upgrade it, you should use Intel Auto Driver Updater for best result. This will show if there is any updated version of your installed drivers are available or not. To do this, click on the following link to automatically identify and update your drivers and softwares.
Automatically Update your Driver
Now click on "Check Your System for Latest Updates
" to start analyzing your computer. This will show whether your system requires an upgrade or not.
IMPORTANT: This utility is for Intel Motherboards only.
But still, if this utility doesn't show any upgrade to your audio driver
, then you can manually download this driver as your motherboard INTEL DG31PR supports the Realtek HD Audio driver only
for best response. If you have already installed any other audio driver than Realtek, please uninstall that and install this one. To download this, click on this following link:
Download latest Realtek HD Audio Driver
This installation will remove any previous version of Realtek and install the newest
Hope this helps,