Internal Card With Bluetooth® Wireless Technology; Coin-Cell Battery - Dell Latitude D420 User Manual

1 metal tabs (2) on SIM card slot 2 SIM card with cut-off corner
NOTE: When you replace the SIM card, ensure that you slide the SIM card under the two metal tabs on the SIM card slot with the cut-off corner of the
card facing toward the back of the computer.
Internal Card With Bluetooth® Wireless Technology
CAUTION: Before performing the following procedures, read the safety instructions in your Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching a connector on the back panel of
the computer.
NOTICE: To prevent damage to the system board, remove the main battery before you service the computer.
If you ordered an internal card with Bluetooth wireless technology with your computer, it is already installed.
1. Follow the procedures in Before You
2. Remove the keyboard (see Keyboard).
3. Remove the M2 x 3-mm screw from the card holder and lay the holder aside.
4. Lift the card away from the aligning pin.
5. Disconnect the card cable connector from the card.
1 internal card with Bluetooth wireless
technology
4 card holder
NOTICE: Be careful when removing the card to avoid damaging the card, card cable, or surrounding components.
Coin-Cell Battery
CAUTION: Before performing the following procedures, follow the safety instructions in your Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching a connector on the back panel of
the computer.
NOTICE: To prevent damage to the system board, remove the main battery before you service the computer.
1. Follow the procedures in Before You
2. Remove the keyboard (see Keyboard).
3. Disconnect the coin-cell battery cable connector from the system board connector.
4. Remove the coin-cell battery from the system board.
Begin.
2 card cable 3 M2 x 3-mm
connector
5 aligning pin
Begin.
screw