Quick Reference Guide

Table Of Contents
CHAPTER4: Upgrading Your Computer
56
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 side panel, then return the computer to an
upright position.
10 Reconnect all external cables and the power cord.
11 Turn on your computer.
12 Open the BIOS Setup utility.
13 In the BIOS Setup utility, restore any settings that you
wrote down previously.
14 Save all your settings and exit the BIOS Setup utility.
Replacing the power supply
To replace the power supply:
1 Remove the side panel by following the instructions in
“Opening and closing the case” on page 37.
2 Disconnect the power supply cables from all
components (such as hard drives, CD or DVD drives, and
the system board), noting their locations and
orientation. (You will reconnect the cables after you
install the new power supply.)
3 Remove the three screws that secure the power supply
to the computer.
Screws
8512735.book Page 56 Thursday, September 27, 2007 1:03 PM