This is a direct link to a crucial Intel driver that is compatible with a common version of the OptiPlex 790's Ethernet hardware. It's still a Dell-signed driver, making it a safe and effective choice. You can find it by searching for the specific driver name on the Dell support site.
Restart your computer when prompted to finalize the network configuration. Method B: Manual Installation via Device Manager
Double-click the downloaded .exe file (usually named something like Network_Driver_XXXXX.EXE ). A Dell Update Package window will appear. Click .
I can provide the specific direct download links or steps for any other hardware components you need. Share public link This is a direct link to a crucial
The place to download your drivers is directly from Dell’s official support infrastructure. Dell provides these files entirely free of charge. Official Driver Download Links
: Specifically designed for OS deployment and manual reinstallation if you are experiencing connectivity issues. 3. Third-Party Alternatives
Expand the category (or look under Other devices if the driver is completely missing). Restart your computer when prompted to finalize the
Restart your computer, press F2 to enter BIOS, and ensure "Onboard Network Controller" is set to Enabled . Manual Install (Device Manager): Go to Device Manager .
Locate the item with a yellow warning triangle labeled (usually under Other Devices or Network Adapters ).
Point the search to the folder where you extracted the Dell driver files. Bios Network Configuration If the network card does not show up at all: press F2 to enter BIOS
: Click the Download link next to the "Intel Gigabit Ethernet" driver. Save the file to your desktop or a USB drive if the target PC has no internet.
Occasionally, the driver installer may fail to complete. This can sometimes be resolved by:
Windows 7 missing critical updates (e.g., SHA-2 support) Fix: Manually install KB3033929 and KB4474419 from Microsoft Catalog before the Dell driver.
The Dell OptiPlex 790 was manufactured with a specific built-in network interface card (NIC). Before downloading, you must know your exact hardware profile.
Keep a copy of your network driver installer on a backup USB drive.