Windows 7: why i cant connect to wireless network . plz help

Hello everyone this is my first post on this forum.
I can see the wireless connection on the laptop but it won’t connect.
this networks no needed user name and pass to connect.
my laptop is vostro 1015
os: windows 7 ultimate.
plz see this screenshots:

when click to connect :


plz see other config:

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..

..

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plz help me....

Is this your own wireless network or is it a neighbor's? Do you have another computer that can connect to it?

If its a neighbors its possible that they have mac authentication enabled so then random people can't connect.

all of my frinds can connect to wireless network .