How to start wireless in Toshiba Satellite 1905 s 301

What you need first is to install the wireless driver for your wireless card in your computer. If you don't have one you need to purchase a wireless card.
Then read the following info to decide what type of Internet access you require.

Wireless connections to the Internet can be achieved by several methods and it depends upon the method of delivery by the Internet Service Provider in your location.
The most common is by DSL and cable, the modems that are used with DSL and cable connection can have a built-in wireless router. Your computer will require a wireless card to connect to the modem/wireless router and the range is restricted to approx. 100 ft depending where the wireless router is located within the building.

The laptop's wireless card can be a built-in device or a plug-in device eg a PCMCIA card or a USB device. and these can also connect to a wifi hot spot in locations such as McDonalds. Star Bucks etc.

There is another method that can connect into the Internet that uses a USB wireless device that connects to a G3 network, bacically a type of mobile transmission and the device is locked into a specific Internet Service Provider. This method gives a wider mobile range (even across states) of connecting to the Internet but usually at a higher cost.

Basically you need to see what the Internet Service Providers offer in your location. Beware of the costs of the various plans they offer in broadband speed, their download limits and the penality for exceeding the limits etc.

When you decide which method you choose, you need to consider setting up your wireless network securely to prevent unauthorized access.