I too have had this same problem, haven't had any luck.
I'm running it on an HP dm4 laptop
Code:
lshw -C network:
*-network
description: Ethernet interface
product: RTL8111/8168B PCI Express Gigabit Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:01:00.0
logical name: em1
version: 03
serial: 64:31:50:6e:ee:11
size: 10Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:43 ioport:2000(size=256) memory:b0404000-b0404fff memory:b0400000-b0403fff
*-network
description: Wireless interface
product: Centrino Advanced-N + WiMAX 6250
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlan0
version: 57
serial: 00:23:15:a0:6b:04
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlagn driverversion=2.6.38.6-27.fc15.x86_64 firmware=41.28.5.1 build 33926 ip=192.168.1.101 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:42 memory:b2400000-b2401fff
*-network DISABLED
description: Ethernet interface
physical id: 2
bus info: usb@2:1.3
logical name: wmx0
serial: 64:d4:da:1a:c6:c9
capabilities: ethernet physical
configuration: driver=i2400m firmware=i6050-fw-usb-1.5.sbcf link=no
dmesg information is here:
http://pastebin.com/M3fvqiw4
Thanks a lot guys!