HP Elitebook 2540p Maintenance And Service Manual page 70

3.
NOTE:
protective sleeves must be installed on the antenna connectors, as shown in the following illustration.
Reverse this procedure to install the WWAN module.
62 Chapter 4 Removal and replacement procedures
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Remove the WWAN 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.
If the WWAN antennas are not connected to the terminals on the WWAN module, the
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