How to connect computer to internet
Basics of internet connection
The steps required to connect your computer to the Internet depend on the type of Internet access. Most Internet access methods used in homes involve a hardware unit called a modem. The modem connects to a physical medium that supports either a telephone line (for DSL), a wired Internet line (CATV), a fiber-optic cable, or a wireless antenna (for satellite and wireless broadband services). Laptops, such as tablets, can be connected to landline home networks, but they also support mobile broadband Internet access via cellular networks that can be used at home and on the go. Laptops can also access the Internet outside the home through a Wi-Fi hotspot, hardware access points installed in fixed locations that are connected to an Internet service network.
Configure Internet Gateway (if available)
A network portal is a hardware device that connects to a local area network to the Internet. In fixed networks, the modem connects to the gateway device. Home gateways usually use a broadband router as the input device, although any modern home computer can be set up as a gateway. When using mobile broadband networks or Wi-Fi hotspots, the gateway hardware that connects your computer to the Internet is set up and maintained by service providers. However, some users prefer to add a portable network router (usually advertised as a router) to their configuration. Travel routers act as another layer of an Internet portal to connect a group of devices to the same Internet service and share data between devices. Administrators configure router routers as well as other types of user routers.
Configure the Internet client device
The configuration parameters must be set on the computer to match the type of network gateway and Internet service used. Typically required settings for client computers include:
- Username and Password: You need to log in to PPPoE-based Internet services.
- Select network by name (SSID): For home Wi-Fi networks and hotspots.
- Portable Security Key (or Password): For Wi-Fi networks.
- Turn off Wi-Fi: Connect using mobile (cellular) broadband networks.
- Domain Name System (DNS), MTU and other specific service settings: As per the provider's requirements.
Internet connection troubleshooting
Errors that occur when configuring a network device often lead to an Internet connection failure. In wireless networks, identifying incorrect security keys is one of the most common mistakes. Loose cables or cables connected in the wrong locations cause similar cabling errors. For example, broadband modems must be connected to the router's home interface port and not to another router port. You may also need to contact your Internet Service Provider (ISP) to resolve connection issues. The first time you connect to the provider's network, the customer's subscription must be activated and all special settings required by the provider (for example, login information) must be installed via the portal. When a computer successfully connects to a provider's network for the first time, subsequent problems are unexpected interruptions due to weather or technical issues that the provider has with its device (assuming the home network is operating normally).
Advanced Internet Connection Topics
In some cases, it is possible to set up two or more Internet services on one device or one home network. For example, smartphones over Wi-Fi can be connected to a home wireless router, but instead of when Wi-Fi is not available, they can communicate over a cellular network. These multihomed configurations keep devices connected to the Internet with less interruption because one of the network paths can work even if the other fails.
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