Supported Dell devices that use Realtek High Definition Audio codec can be expanded below, to install simply download the .exe file and save to a location on the machine you are going to install the driver on. Run the exe file as an administrator and follow the prompts.
All Model numbers for this device
Dell Precision Tower 7810
Latitude 3340
Latitude 3450
Latitude 3550
Latitude 5404 Rugged
Latitude 7204 Rugged
Latitude 7404 Rugged
Latitude E5440
Latitude E5540
Latitude E6440
Latitude E6540
Latitude E7240 Ultrabook
Latitude E7440
OptiPlex 3011
OptiPlex 3020
OptiPlex 3020M
OptiPlex 3030 All-In-One
OptiPlex 7010
OptiPlex 7020 Small Form Factor
OptiPlex 7020 Tower
OptiPlex 9010
Optiplex 9020
OptiPlex 9020M
OptiPlex 9030 All-In-One
OPTIPLEX XE2
Precision M2800
Precision M4800
Precision M6800
Precision T1700
Precision Tower 5810
Precision Tower 7910