In older days of ancient past, one could put the Service Tag number into a designated Dell web page and that would lead to unit specs, drivers, help stuff. sevenforum folks: Did that change over the years?
My Computer
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Antec desktop; Acer Aspire laptops
OS
Windows 7 Professional 64-bit
CPU
Desktop i5; Acers i5 & i7
Memory
desktop 16GB; 1 Acer 8GB & 1 Acer 16GB
Hard Drives
1TB split into 2 equal partitions [OS and data] usable by RJS
Internet Speed
AT&T DSL
Browser
FF, GChrome, msIE
Other Info
Windows 7 Firewall, Emsisoft AM/AV, MSE [scan-only], SpywareBlaster, Ruiware/BillP combine
However, the computer only supports XP. You might be able to use the XP driver in Windows 7, but it may fail on installation. Your best course of action would be to buy a USB sound card which isn't much at all.