When data is being transferred via wireless network,the blinking LED light indicates the wireless is on.This tutorial shows how to stop this annoying blinking light,and so that your laptop has a constant on (or off) LED light when wireless’s working (or not).
Open up a terminal window from Applications -> Accessories -> Terminal,use following command to edit the “/etc/modprobe.d/wlan.conf” file (if it’s not existent,the command will create one with blank).
gksudo gedit /etc/modprobe.d/wlan.conf
- For 10.10 and 11.04, add this line at the end of the file,and save it.
options iwlcore led_mode=1
- For 11.10, add this line to the end of file:
options iwlagn led_mode=1
- For Ubuntu 12.04, add this line:
options iwlwifi led_mode=1
Now,restart your machine and problem should be fixed !