File Name: Intel_LAN_25.5_Win7_64_A00_Setup.exe Direct link pattern: Search Dell's site for "Dell OptiPlex 790 Intel LAN Driver Version 25.5"
Without the network driver, Windows 7 cannot find the Ethernet controller, leaving you stranded with no way to download other necessary updates. This guide covers the best ways to find, download, and install the correct network drivers for the OptiPlex 790 for free. File Name: Intel_LAN_25
Move the downloaded .exe file to your OptiPlex via a USB flash drive. For a smooth installation, download the "Intel 825xx
For a smooth installation, download the "Intel 825xx Gigabit Platform LAN Network Device" driver. If you are performing a fresh installation and lack internet access, download the driver on a separate machine and transfer it via USB. Once installed, the Optiplex 790 will gain full 10/100/1000 Mbps capabilities, ensuring the machine remains a functional and efficient tool for its intended environment. Key Download Steps Visit the website. Search for Optiplex 790 . Select Windows 7 (32-bit or 64-bit) as your OS. Locate the Network category. Download the Intel 825xx Gigabit driver. 💡 Pro Tip Key Download Steps Visit the website
: The most reliable source is the Dell OptiPlex 790 Drivers & Downloads page . Select Windows 7 (32-bit or 64-bit) from the operating system dropdown to filter for the specific network (Ethernet/LAN) driver.
Once you've downloaded the network driver, follow these steps to install it: