laptop not detecting wireless networks

i have a Toshiba satellite that is running windows 7 i bought a couple years ago i havent used it in a while but when i came to connect to my wireless it shows no connection even though i know that there is a wireless connection can someone please tell me what is the problem and how i can fix it
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  1. Could be a number of things.

    - Is the wirless card turned on?
    - Can you pick up anything?

    What is the model number of the laptop?
  2. Best answer

    The wireless card has to be enabled (hardware or software switches.?)
    I presume you can see several wireless networks including your own
    And you have given the correct. Wireless wep or wap- security key

    the wireless access point can use a white list to keep out un invited users

    Can other wireless devices connect to this access point ?

    Just some of things to check

    Best of luck

    Mike Barnes
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