Ver 11.10 - How do I load wireless device driver?

THe drivers should be automatically loaded for your card, or you may need to install the appropriate package from the software repositories. You cannot use the windows drivers on your USB stick.

Can you open a terminal (Ctrl+Alt+T), then cut and paste these commands, then paste the result back here? You may need to press enter for the last command to take effect.

uname -a
lsb_release -a
/sbin/ifconfig
sudo lspci
sudo lsmod

Note that you will need to enter your password for the last two commands - it will accept it, but nothing will be printed back as you type.

Thanks, I will try to look for package.
These were my result from your instructions:

smills@smills-Precision-M70:~$ uname -a
Linux smills-Precision-M70 3.0.0-14-generic #23-Ubuntu SMP Mon Nov 21 20:34:47 UTC 2011 i686 i686 i386 GNU/Linux
smills@smills-Precision-M70:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 11.10
Release: 11.10
Codename: oneiric
smills@smills-Precision-M70:~$ /sbin/ifconfig
eth0 Link encap:Ethernet HWaddr 00:14:22:e0:22:ab
          inet addr:192.168.2.12 Bcast:192.168.2.255 Mask:255.255.255.0
          inet6 addr: fe80::214:22ff:fee0:22ab/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:915 errors:0 dropped:0 overruns:0 frame:0
          TX packets:134 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:147023 (147.0 KB) TX bytes:16432 (16.4 KB)
          Interrupt:16

lo Link encap:Local Loopback
          inet addr:127.0.0.1 Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING MTU:16436 Metric:1
          RX packets:16 errors:0 dropped:0 overruns:0 frame:0
          TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1296 (1.2 KB) TX bytes:1296 (1.2 KB)

smills@smills-Precision-M70:~$ sudo lspci
[sudo] password for smills:
Sorry, try again.
[sudo] password for smills:
00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 03)
00:01.0 PCI bridge: Intel Corporation Mobile 915GM/PM Express PCI Express Root Port (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 03)
00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d3)
00:1e.2 Multimedia audio controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 03)
00:1e.3 Modem: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Modem Controller (rev 03)
00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge (rev 03)
00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA Controller (rev 03)
01:00.0 VGA compatible controller: nVidia Corporation NV41 [Quadro FX Go1400] (rev a2)
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5751 Gigabit Ethernet PCI Express (rev 01)
03:01.0 CardBus bridge: Texas Instruments PCI6515 Cardbus Controller
03:01.5 Communication controller: Texas Instruments PCI6515 SmartCard Controller
03:03.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)
smills@smills-Precision-M70:~$ sudo lsmod
Module Size Used by
rfcomm 38408 8
bnep 17923 2
parport_pc 32114 0
ppdev 12849 0
vesafb 13489 1
nvidia 10390874 42
binfmt_misc 17292 1
arc4 12473 2
b43 318816 0
snd_intel8x0 33318 2
snd_ac97_codec 106082 1 snd_intel8x0
usbhid 41905 0
hid 77367 1 usbhid
ac97_bus 12642 1 snd_ac97_codec
snd_pcm 80435 2 snd_intel8x0,snd_ac97_codec
snd_seq_midi 13132 0
joydev 17393 0
snd_rawmidi 25241 1 snd_seq_midi
snd_seq_midi_event 14475 1 snd_seq_midi
mac80211 393459 1 b43
pcmcia 39822 0
snd_seq 51567 2 snd_seq_midi,snd_seq_midi_event
snd_timer 28932 2 snd_pcm,snd_seq
yenta_socket 27428 0
psmouse 73673 0
pcmcia_rsrc 18367 1 yenta_socket
serio_raw 12990 0
btusb 18160 2
cfg80211 172392 2 b43,mac80211
bluetooth 148839 23 rfcomm,bnep,btusb
snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq
dell_laptop 13519 0
dcdbas 14098 1 dell_laptop
pcmcia_core 21511 3 pcmcia,yenta_socket,pcmcia_rsrc
snd 55902 11 snd_intel8x0,snd_ac97_codec,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
video 18908 0
soundcore 12600 1 snd
snd_page_alloc 14115 2 snd_intel8x0,snd_pcm
lp 17455 0
parport 40930 3 parport_pc,ppdev,lp
ssb 50682 1 b43
tg3 132972 0
smills@smills-Precision-M70:~$ ^C
smills@smills-Precision-M70:~$

Sorry, don't even know how to get to software repositories!

Cheap broadcoms are very abundant and easy to setup.
https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

select additional drivers option from system settings and search for any proprietary drivers available for your PC. it will search the software repositories for proprietary drivers.