Cannot recognize wifi networks

My laptop is hardwired to a wi-fi network and works fine. However, when I take it elsewhere, it does not recognize any wireless networks - including the hard-wired one -- other devises and computers recognize it fine, so it must be the laptop. If anyone could direct me to what to do, I'd appreciate it.
Lenovo T-61
XP-pro  SP3
T61 widescreen - Intel Core 2 Duo CPU - 2.20 GHz XPpro SP3 - 2g RAM - Advanced Mini Dock
Solved!
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You cannot hardwire to a wifi network, only the ethernet can be hardwired. If you cannot connect to any wifi your adapter may be turned off or it's possible you don't have wifi installed. Is the wifi icon lit?  switch on? press FN+F5 and see if it reports as being on.
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