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5.
Remove the memory module (2) by pulling the module away from the slot at an angle.
NOTE: Memory modules are designed with a notch (3) to prevent incorrect insertion into the
memory module slot.
Reverse this procedure to install the expansion memory module.
WWAN module
Description Spare part number
HP un2400 Mobile Broadband WWAN module 483377-001
Before removing the WWAN module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC Adapter from the computer.
4.
Remove the battery (see
Battery on page 50).
Remove the WWAN module:
1.
Loosen the Phillips PM2.0×5.0 captive screw (1) that secures the WWAN module compartment
cover to the computer.
Component replacement procedures
63