Dell Inspiron 1428 (Late 2009) - Manual (Page 80)

80 Coin-Cell Battery
Replacing the Coin-Cell Battery
1 Follow the procedures in "Before You Begin" on page 9.
2 Hold the coin-cell battery with the positive (+) side facing upwards.
3 Slide the coin-cell battery into the slot and gently press until it snaps into
place.
4 Turn the system board over.
5 Replace the system board (see "Replacing the System Board" on page 76).
CAUTION: Before turning on the computer, replace all screws and ensure that no
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.
1 plastic scribe 2 coin-cell battery
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2