HP Compaq Presario CQ57 Maintenance And Service Manual page 49

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