If you clicked Extract, choose a folder location you will remember (like your Desktop).
Double-click the downloaded executable file.
Right-click and select Update Driver Software . Choose Browse my computer for driver software .
Enter your system's unique (found on a sticker on the top or back of the computer tower) or manually search for OptiPlex 790 . If you clicked Extract, choose a folder location
on Windows 7 is by using the official Dell Support Site . It ensures stability and security. Avoid generic "driver updater" software that tries to charge you, as Dell provides these for free.
✅ If Windows 7 is missing drivers for USB or storage, download the first – it helps the network driver install correctly.
Network drivers are essential software components that enable your computer to communicate with other devices on a network. Without the correct network drivers, your Dell Optiplex 790 may not be able to connect to the internet, access shared files, or use network-based services. Choose Browse my computer for driver software
Windows 7 requires SHA-2 signed drivers after 2019. If you lack the KB3033929 update (SHA-2 support), the driver will fail. Download and install that Windows Update first (offline installer from Microsoft or Dell).
If you've recently reinstalled Windows 7 on your Dell OptiPlex 790, you might notice your internet connection isn't working. This is almost always due to a missing network controller (Ethernet) driver.
If the Dell website is undergoing maintenance, Microsoft hosts verified legacy drivers for free. Open the website. Search for "Intel 82579LM Windows 7" . It ensures stability and security
Are you missing (like Graphics or Audio) after your Windows 7 install? Share public link
If the executable file fails to run or throws an error, you can force Windows 7 to accept the driver manually:
once the installation completes to finalize the network setup. Method B: Manual Installation via Device Manager
, the most reliable network drivers for are available directly from the Dell Support portal . Primary Network Drivers (Ethernet)