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My Lenovo u400 running raring can't connect to my network which is made up of an airport extreme and two airport expresses. in windows it connects and all the other computers will connect even ones running raring. the strange thing is that I've tried to connect wirelessly and wired to the airport express via a gigabit switch and both ways it will never connect (keeps trying until it times out). it sees the network and it can connect to other networks. any ideas?

here are the outputs of ifconfig and lspci:

lspci

03:00.0 Network controller: Intel Corporation Centrino Wireless-N 1030 [Rainbow Peak] (rev 34)
    Subsystem: Intel Corporation Centrino Wireless-N 1030 BGN
    Flags: bus master, fast devsel, latency 0, IRQ 51
    Memory at f0500000 (64-bit, non-prefetchable) [size=8K]
    Capabilities: [c8] Power Management version 3
    Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
    Capabilities: [e0] Express Endpoint, MSI 00
    Capabilities: [100] Advanced Error Reporting
    Capabilities: [140] Device Serial Number 4c-80-93-ff-ff-51-0d-24
    Kernel driver in use: iwlwifi

00:19.0 Ethernet controller: Intel Corporation 82579V Gigabit Network Connection (rev 05)
    Subsystem: Lenovo Device 3975
    Flags: bus master, fast devsel, latency 0, IRQ 46
    Memory at f0700000 (32-bit, non-prefetchable) [size=128K]
    Memory at f072b000 (32-bit, non-prefetchable) [size=4K]
    I/O ports at 3080 [size=32]
    Capabilities: [c8] Power Management version 2
    Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
    Capabilities: [e0] PCI Advanced Features
    Kernel driver in use: e1000e

ifconfig

eth0      Link encap:Ethernet  HWaddr f0:de:f1:95:8b:13  
          inet6 addr: fe80::f2de:f1ff:fe95:8b13/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:220798 errors:0 dropped:0 overruns:0 frame:0
          TX packets:125363 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:321491790 (321.4 MB)  TX bytes:10139051 (10.1 MB)
          Interrupt:20 Memory:f0700000-f0720000 

wlan0     Link encap:Ethernet  HWaddr 4c:80:93:51:0d:24  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
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