wireless not working

Hi,

I have installed opensuse11.0 in my Acer Travelmate 5720 laptop,and the version is opensuse 11.0(x86_64) Linux2.6.25.18-0.2-default x86-64.Iam getting a message DISCONNECTED.Iam posting the out put of the commands.

/sbin/lspci -v
04:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02)
Subsystem: Intel Corporation PRO/Wireless 3945ABG Network Connection
Flags: bus master, fast devsel, latency 0, IRQ 4347
Memory at f8000000 (32-bit, non-prefetchable) [size=4]
Capabilities: <access denied>
Kernel driver in use: iwl3945
Kernel modules: iwl3945
lsusb
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 0a5c:6300 Broadcom Corp. Pirelli Remote NDIS Device
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 064e:a103 Suyin Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Previously i had installed SLED 10 SP2 .It was working fine.I am 3 months old to Linux.I would request who is helping me to give me step by step directions.
Thanks in advance.[/size]