The problem has become more worse-help please

[Jeyaprakash]

under sudo lshw command, the condition was like this

*-network DISABLED
               description: Wireless interface
               product: Dell Wireless 1390 WLAN Mini-PCI Card
               vendor: Broadcom Corporation
               physical id: 0
               bus info: pci at 06:00.0
               logical name: eth1
               version: 01
               serial: 00:1a:73:4e:b6:10
               width: 32 bits
               clock: 33MHz
               capabilities: bus_master cap_list ethernet physical wireless
               configuration: broadcast=yes driver=bcm43xx 
driverversion=2.6.20-16-generic latency=0 link=no multicast=yes 
wireless=IEEE 802.11b/g
               resources: iomemory:20000000-20003fff irq:17


Then, I followed the procedures mentioned in the link

https://help.ubuntu.com/community/WifiDocs/Driver/1390


Now, if I give the command sudo lshw, it comes like this,

  *-network UNCLAIMED
                description: Network controller
                product: Dell Wireless 1390 WLAN Mini-PCI Card
                vendor: Broadcom Corporation
                physical id: 0
                bus info: pci at 06:00.0
                version: 01
                width: 32 bits
                clock: 33MHz
                capabilities: bus_master cap_list
                configuration: latency=0
                resources: iomemory:20000000-20003fff irq:3

Please help me out of this pathetic condition.. I have been trying for 
the whole day.. But nothing fruitful..

If I give the command sudo iwlist scanning, it comes like this

lo    Interface does not support scanning
eth0 interface does not support scanning

(eth1 not mentioned) == Help me find out where the problem lies and what 
I have to do..
I still wonder how a dell card came into Compaq Laptop