wireless network not detected in ubuntu but the same is being detected on windows successfully

Binary package hint: udev

sir.I have configured wifi on windows xp...it uses proxy address,dns and gateway...but in ubuntu it is not getting detected...pls mail me a procedure so that issue can be resolved successfully in ubuntu 10.04......also how to enable wireless networking in case it is disabled.............

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: udev 151-12.1
ProcVersionSignature: Ubuntu 2.6.32-25.44-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic i686
Architecture: i386
Date: Tue Oct 19 17:52:52 2010
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: Dell Inc. Inspiron 1440
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-25-generic root=UUID=1b761d5a-0bad-404c-8f1e-76649ea1da3d ro quiet splash
ProcEnviron:
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: udev
dmi.bios.date: 12/21/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 0R190P
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA07:bd12/21/2009:svnDellInc.:pnInspiron1440:pvr:rvnDellInc.:rn0R190P:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Inspiron 1440
dmi.sys.vendor: Dell Inc.