HP (Hewlett-Packard) DM3 Laptop User Manual


 
SIM
NOTE: The SIM is provided by the end user as a security measure for the WWAN module. The SIM
should be removed, placed into a static-dissipative container, and then replaced when the computer is
reassembled.
Before removing the SIM, 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 36
Remove the SIM:
1. Press in on the SIM (1) to release it from the SIM slot.
2. Remove the SIM (2) from the computer.
Reverse this procedure to install the SIM.
Component replacement procedures
37