HP EliteBook 8440W Maintenance And Service Manual page 56

Removal and replacement procedures
Remove the WLAN module:
Ä 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 upside down, with the front toward you.
2. Loosen the Phillips PM2.0×5.0 captive screw 1 that secures the wireless module compartment cover to
the computer.
3. Lift the left side of the cover 2 to remove it from the computer.
The wireless module compartment cover is included in the Plastics Kit, spare part number 594091-001.
4–12 Maintenance and Service Guide