Dell Precision M4300 (Mid 2007) - Manual (Page 121)

Adding and Replacing Parts
119
To confirm the amount of memory installed in the computer, click Start or → Help and Support→
Computer Information.
Subscriber Identity Module (SIM) Card
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
1 Follow the procedures in "Before You Begin" on page 107.
2 Remove the battery (see "Replacing the Battery" on page 33).
3 Slide the SIM card into the compartment with the cut-off corner of the card facing away from the
compartment.
Wireless Cards
If you ordered a wireless LAN or WAN card with your computer, the card is already installed.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
NOTICE:
To avoid damaging the system board, you must remove the main battery before you begin working inside
the computer.
1 SIM card
1