I have a Dell XPS L702x Laptop and after upgrading from 11.04 to 11.10, my wireless no longer works. I'm using a Ethernet cable to get online to ask this question.
> iwconfig lo no wireless extensions. eth0 no wireless extensions. > lspci -v ... 3:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000 Subsystem: Intel Corporation Centrino Wireless-N 1000 BGN Flags: bus master, fast devsel, latency 0, IRQ 6 Memory at d7400000 (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:  Advanced Error Reporting Capabilities:  Device Serial Number 8c-a9-82-ff-ff-89-12-c6 Kernel modules: iwlagn ...
Anyone know a fix?
(yes, I have tried Fn+F2, to switch on wireless).