Quick Reference Guide

CHAPTER4: Upgrading Your Computer
62
9 Locate the old battery on the system board and note its
orientation. You will need to install the new battery the
same way.
10 Push the battery release tab. The battery pops out of the
socket.
11 Make sure that the positive (+) side of the new battery
is facing up (usually the side that the battery type and
model number are etched into), then press the battery
into the socket until it snaps into place.
12 Press the optical and 3.5-inch drive cage down until it
clicks into place, then reinstall the drives you removed.
13 Replace the side panel by following the instructions in
“Opening and closing the case” on page 39.
14 Reconnect all external cables and the power cord.
15 Turn on your computer and open the BIOS Setup utility.
16 In the BIOS Setup utility, restore any settings that you
wrote down in Step 3.
17 Save all your settings and exit the BIOS Setup utility.
Important
Your computer’s battery location may vary from the illustration
below.
Battery release tab
Battery
8512730.book Page 62 Thursday, September 20, 2007 9:38 AM