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68 Chapter 3 Working Inside Your Computer
To replace the battery:
1 Open your computer following the directions on page 42.
2 If a PCI card is installed next to the battery, remove the card.
3 Remove the battery from its holder, noting the orientation of the battery’s positive end.
(A plus sign is marked on or near the battery holder.)
If necessary, spread the tabs holding the battery so you can remove it. Spread the tabs
gently so they don’t break.
4 Insert the new battery in the holder, making sure the battery’s positive symbol aligns
with the positive symbol on or near the holder.
5 Replace the air deflector and side panel, following the directions that begin on page 51.
Remove the battery by
pulling it out of its holder.
You may need to spread
the two tabs to release
the battery.
Warning: Installing the battery incorrectly may cause an explosion. Be sure the
battery’s positive and negative poles are correctly oriented in the holder. Use only the
same type of battery or an equivalent recommended by the manufacturer of the
original.