Running Network Diagnostics

Network Diagnostics scans your system to gather information about your hardware, software, and network connections.
Start / Run / NETSH DIAG GUI
The following is the type of information that can be displayed:
Ping
Connect
Show
Verbose
Save to Desktop
Mail Service
News Service
Internet Proxy Server
Computer Information
Operating System
Windows Version
Modems
Network Clients
Network Adapters
Domain Name System (DNS)
Dynamic Host Configuration Protocol (DHCP)
Default Gateways
Internet Protocol Address
Windows Internet Naming Service (WINS)