SIM connector board
Description Spare part number
SIM module for models with WWAN 486845-001
NOTE: This section applies only to computer models with WWAN capability.
NOTE: If there is a SIM inserted in the SIM slot, it must be removed before disassembling the
computer. Be sure that the SIM is reinserted in the SIM slot after reassembling the computer.
Before removing the SIM connector board, 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 55).
5. Remove the SIM (see
SIM on page 56)
6. Remove the keyboard (see
Keyboard on page 72)
7. Remove the keyboard cover (see
Keyboard cover on page 76)
8. Remove the speaker. (see
Speaker assembly on page 79)
Remove the SIM connector board:
1. Disconnect the SIM connector board cable (1) from the system board.
2. Remove the 2 Phillips PM2.5×4.0 screws (2) that secure the SIM connector board to the system
board.
3. Remove the SIM connector board (3).
Component replacement procedures 81
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