Remove the system board shield:
1. Position the computer right-side up, with the front toward you.
2. Remove the four Phillips M2.5×3.0 screws (1) and (2) that secure the shield to the base
enclosure.
3. Slide the shield from the computer (3).
WARNING! Use caution when handling the system shield as the object may be hot.
Reverse this procedure to install the system board shield.
NOTE: When installing a replacement system board shield, take care that the tab labeled “Watch
Out” is inserted correctly under the heat sink so that the keyboard lies flat when replaced.
Modem module
NOTE: The modem module spare part kit does not include a modem module cable. The modem
module cable is included in the Cable Kit, spare part number 649758-001. See
Cable Kit on page 24
for more Cable Kit spare part number information.
Description Spare part number
Modem module 628824-001
Before removing the modem 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.
Component replacement procedures 67
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