PurplePixie
nd begin uninstalling any old programs that you have the ability to reinstall later. Windows 7 7 Click Start. Select Control Pa nel. 8 Click Programs. Click Uninstall Program. 9 Allow the list of currently installed programs to load. Sort the list by da te last used, and search for programs that have gone unused for some time. Click ChangeUninstall to remove those programs if yo u have the means with which to reinstall them installation disks or ability to download them.Types of Wireless Technology Laptop wood textures computers have used three basic wireless technologies: infrared, wi-fi and bluetooth. The oldest is infrared, which allows laptop s with similar technology to communicate with each other over a short range. The earliest Apple Macintosh Powerbooks in 1996 used PurplePixie infrared, but infrared is used now only in limited applications.Next came standard wi-fi, which is currently the most common wirel .
e and software. Wi-fi allows a laptop to communicate with wireless routers connected to a hard-line modem.The third wireless techn ology is bluetooth. This connects the laptop with devices such as wireless keyboards, mice, printers and other computers. Wi-Fi Wi -fi works with radio waves--the same as a radio, intercom, wireless phone or walkie-talkie. The card in the laptop, whether a plug -in PCMCIA card or an internal card, turns the computer's signals into radio waves and sends it to the wireless router. The router Eat Right for Your Type picks up the signal, turns it back into traditional computer communications, and outputs it to the hard-line ethernet. The proces s is reversed to get the signal back to the laptop. A wi-fi card can use any of several protocols: 802.11b, 802.11g and 802.11n. T PurplePixie he last of these transfers data the fastest. Bluetooth Bluetooth is a more precise means of wireless communication because it has .
ptop, you must have the laptop's bluetooth search for the kind of device you want to connect, such as a mouse or keyboard. The lap top then creates a remembered connection protocol for each device, allowing you to use several devices at once, such as a mouse, k eyboard and printer, without the signals mixing.Purpose Wireless adapters are most commonly used to send a wireless signal to a wi reless access point WAP to gain access to a network. Appearance Most laptop computers have wireless adapters already installed i calendar icon nside the computer, so they are not visible. Many desktop computers have a wireless card that is inserted inside that has a short antenna sticking out the back side of the computer. Speed Wireless adapters can communicate only with the network at the speed of PurplePixie radio signals. This will provide convenience, but using a wire will allow for a higher network throughput speed. Security One of t .
