Like any other device in a computer, you cannot use your Ethernet adapter, or network card, unless you install a device driver for it. Generally, computers running Windows 7 should install most ...

Installs base drivers, Intel PROSet for Windows Device Manager, advanced networking services for teaming and VLANs (ANS), and SNMP for Intel Network Adapters for Windows 7/8/10/11. Download the ...

There are many reasons for this problem; one of the reasons is that Windows Update failed to install or update the Network drivers, in that case, you have to update the required driver manually.