- Notes, cautions, and warnings
- Setting up your computer
- About your computer
- Using your computer
- Ports and connectors
- Software and Applications
- Restoring your operating system
- Troubleshooting
- BIOS
- Getting help and contacting Dell
- References
Network‑Interface Controllers (NIC), also referred to as network adapters or Local‑Area Network (LAN) adapters, connect to a network using an Ethernet cable. NICs can be internal (integrated to the system board) or external (expansion cards). Most new computers have integrated network adapters.