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Before removing the WLAN module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 43).
Remove the WLAN module:
NOTE: To prevent an unresponsive system, replace the wireless module only with a wireless module
authorized for use in the computer by the governmental agency that regulates wireless devices in your
country or region. If you replace the module and then receive a warning message, remove the module
to restore computer functionality, and then contact technical support through Help and Support.
1. Loosen the Phillips PM2.5×6.0 captive screw (1) that secures the wireless module compartment
cover to the computer.
2. Lift the left side of the cover (2), swing it up and to the right, and remove the cover. The wireless
module compartment cover is included in the Plastics Kit, spare part number 468821-001 for
dv3000 models, 501013-001 for dv3500 models.
3. Disconnect the two WLAN antenna cables (1) from the WLAN module.
NOTE: The black WLAN antenna cable is connected to the WLAN module “Main” terminal. The
white WLAN antenna cable is connected to the WLAN module “Aux” terminal.
NOTE: Computer models equipped with an 802.11ab/g/n WLAN module will have an additional
wireless antenna cable (2), yellow in color.
4. Remove the two Phillips PM2.5×4.0 screws (3) that secure the WLAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
46 Chapter 4 Removal and replacement procedures