For older driver versions, you may need to right-click the installer and set the Compatibility Mode
A cheap Realtek-based PCIe x1 Gigabit Ethernet card (e.g., TP-Link TG-3468) comes with its own Windows 7 32-bit driver CD. Zebronics G31 Motherboard Lan Drivers For Windows 7 32 Bit
Use tools like to integrate the LAN driver directly into a Windows 7 32-bit bootable USB. This ensures drivers are pre-installed after OS setup. For older driver versions, you may need to