4. Remove the WWAN module (3) by pulling it away from the slot at an angle.
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.
NOTE: WWAN modules are designed with a notch (4) to prevent incorrect insertion into the
WWAN module slot.
Reverse this procedure to install a WWAN module.
58 Chapter 4 Removal and replacement procedures
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