Dell used slightly different network chips depending on whether you bought the Mini Tower, Desktop, or Small Form Factor version of the 790. If the automatic method above feels confusing, you can identify the hardware ID.
Once you have found the right network drivers, follow these steps to download and install them: Dell used slightly different network chips depending on
Here are some of the top network drivers for Dell Optiplex 790 running Windows 7: Released during the Windows 7 era, it remains
The Dell OptiPlex 790 is a workhorse of a desktop. Released during the Windows 7 era, it remains a popular choice for offices and home users looking for reliable, budget-friendly computing. However, if you have recently re-installed Windows 7 or upgraded a hard drive, you have likely encountered a frustrating reality: Released during the Windows 7 era
Support for OptiPlex 790 | Drivers & Downloads | Dell Pakistan