Removal and replacement procedures
Maintenance and Service Guide 4–15
Remove the WLAN module:
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CAUTION: 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. Position the computer with the front toward you.
2. Disconnect the WLAN antenna cables 1 from the terminals on the WLAN module.
✎
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.
3. Remove the two Phillips PM2.5×4.0 screws 2 that secure the WLAN module to the system board.
(The WLAN module tilts up.)
4. Remove the WLAN module 3 by pulling it away from the slot at an angle.
✎
WLAN modules are designed with a notch 4 to prevent incorrect insertion of the WLAN module into
the WLAN module slot.
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