Dell Inspiron 1521 (Mid 2007) - Manual (Page 166)

166
Adding and Replacing Parts
Replacing the Card
1 Replace the card at an angle to slide it under the securing tabs in the card
compartment.
2 Connect the cable to the card.
Coin-Cell Battery
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
NOTICE:
To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (such as a
connector on the back of the computer).
NOTICE:
To help prevent damage to the system board, you must remove the battery
from the battery bay before you begin working inside the computer.
1 securing tab 2 card
3 securing tab 4 cable
1
4
2
3