This report outlines the necessary steps to identify the hardware and locate the appropriate software to restore network connectivity.

In , look under Other Devices for Ethernet Controller (it usually has a yellow "!" or "?" next to it). Right-click it and select Properties .

: Go to Start > Right-click My Computer > Properties > Hardware tab > Device Manager . Look for a yellow question mark under "Other devices" or "Network adapters" labeled "Ethernet Controller".

If the computer is custom-built or the OEM site is unhelpful, go to the chipset maker.