HP ProBook 6475b Maintenance And Service Manual page 89

3. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE: WWAN modules are designed with a notch (4) to prevent incorrect insertion.
NOTE: If the WWAN antennas are not connected to the terminals on the WWAN module, the
protective sleeves must be installed on the antenna connectors, as shown in the following illustration.
Reverse this procedure to install the WWAN module.
Component replacement procedures
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