SIM module
Description Spare part number
SIM module board (includes cable) 577923-001
Before removing the SIM module:
1. Shut down the device. If you are unsure whether the device is off or in Hibernation, turn the
device on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the device.
3. Disconnect the power from the device by first disconnecting the power cord from the AC outlet
and then disconnecting the AC adapter from the device.
4. Remove the battery (see
Battery on page 38).
5. Remove the SIM (see
SIM on page 39).
6. Remove the keyboard (see
Keyboard on page 43).
7. Remove the hard drive or solid state drive (see
Mass storage devices on page 50).
Remove the SIM module:
▲
Disconnect the LIF cable (1) from the computer, and remove the SIM module (2).
Reverse this procedure to install the SIM module.
Component replacement procedures 55
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