HP Pavilion dm4-3013cl Entertainment Notebook PC - Manual (Page 106)

The wireless network connection is not working
If a wireless network connection is not working as expected, follow these suggestions:
● Be sure that the wireless light on your computer is on (white). If the wireless light is off, press the
f12 action key to turn it on.
● Be sure that the device wireless antennas are free from obstructions.
● Be sure that the DSL or the cable modem and its power cord are properly connected and the
lights are on.
● Be sure that the wireless router or access point is properly connected to its power adapter and
the DSL or cable modem, and that the lights are on.
● Disconnect and then reconnect all cables, and turn the power off and then back on.
NOTE: For more information on wireless technology, refer to the relevant help topics and Web site
links in Help and Support.
NOTE: For information on activating mobile broadband service (select models only), refer to the
mobile network operator information included with your computer.
96 Appendix A Troubleshooting and support