Ubuntu 8.04/Issues/WiFi LED does not work
From DellLinuxWiki
Description: WiFi LED on system does not work.
Systems Affected: Inspiron E1505n, 1420n, 1525n and XPS M1330n.
Impact: WiFi LED on system does not turn on when WiFi is in use, but wireless still works.
Fix: Install linux-backports-modules for your kernel. For example, if running kernel 2.6.24-16-generic:
$ sudo apt-get install linux-backports-modules-2.6.24-16-generic
