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6 Locate the old battery on the system board and note
its orientation. You will need to install the new battery
the same way.
7 Push the battery release tab. The battery pops out of
the socket.
8 Make sure that the positive (+) side of the new battery
is facing up, then press the battery into the socket until
it snaps into place.
9 Replace the processor fan by following the instructions
in “Replacing the processor fan” on page 37.
10 Replace the back panel by following the instructions in
“Replacing the back panel” on page 36.
11 Reconnect all external cables and the power cord.
12 Turn on your computer, and press F2 during startup to
open the BIOS Setup utility.
13 In the BIOS Setup utility, restore any settings that you
wrote down in Step 3.
14 Save all your settings and exit the BIOS Setup utility.
Replacing the system board
To replace the system board:
1 Remove the back panel by following the instructions in
“Opening the case” on page 35.
2 Remove the riser card assembly by following the
instructions in “Adding or replacing an expansion card”
on page 47.
Battery
8512032.book Page 51 Tuesday, January 9, 2007 1:47 PM