Dell Inspiron 1721 (Mid 2007) - Manual (Page 137)

Adding and Replacing Parts
137
4 Disconnect your computer and all attached devices from their electrical
outlets.
NOTICE:
To help prevent damage to the system board, you must remove the battery
from the battery bay before you service the computer.
NOTE:
To avoid damage to the computer, use only the battery designed for this
particular Dell computer. Do not use batteries designed for other Dell computers.
5 Turn the computer over.
6 Slide and click the battery release latches.
7 Slide the battery out of the battery bay.
8 Turn the computer top-side up, open the display, and press the power
button to ground the system board.
9 Remove any installed cards from the ExpressCard slot (see "Removing an
ExpressCard or Blank" on page 79) and the 8-in-1 memory card reader (see
"Removing a Memory Card or Blank" on page 82).
1 battery 2 battery release latch (2)
2 1