The Realtek Audio High Definition Driver is a common driver as the hardware has been widely used by many computer manufactures. The Vostro 5480 is no different when it comes to its audio hardware. The Vostro 5480 computer uses the same Realtek hardware as others in the Dell stable of computers. You can download the driver below which was released in January 2017. You can search this website for other hardware drivers for the Vostro 5480.
Vostro 5480 :Realtek Audio High Definition Driver
The Vostro 5480 audio driver from Realtek can be downloaded below. You can download the Zip file and then open the file. Once opened you will be able to click on the file inside and then click on the file. This will either install the driver or extract the file to the C:\ drive where you can find the driver installation files in the Dell directory of the main drive on your computer. This driver was last updated in January 2017 and it is a Windows 10 64bit driver. Note that this driver is the same as the driver and hardware such as the Vostro 5450 audio driver and the Inspiron 3043 audio driver which is also listed on this website.