120 Removing and Installing Parts
8
Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling
vents.
9
Replace the drive panel(see "Replacing the Drive Panel" on page103).
10
Replace the computer cover (See "Replacing the Computer Cover" on page121).
NOTICE: To connect a network cable, first plug the cable in to the network wall jack and then plug it in to the
computer.
11
Connect your computer and devices to their electrical outlets, and then turn them on.
12
When you restart your computer, enter system setup (see "System Setup" on page127). Then, go to
the "Drives" section of the BIOS and under
SATA 0 through 5
, enable the SATA port for this drive.
See the documentation that came with the drive for instructions on installing any software required for
drive operation.
13
Verify that your computer works correctly by running the Dell Diagnostics (see "Dell Diagnostics" on
page68).
Battery

Replacing the Battery

CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your
body before you touch any of your computer’s electronic components. You can do so by touching an unpainted
metal surface on the computer.
A coin-cell battery maintains computer configuration, date, and time information. The battery can last
several years. If you have to repeatedly reset time and date information after turning on the computer,
replace the battery.
CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer’s
instructions.
To replace the battery:
1
Enter the system setup program and record the values for all the screens (see "Entering System Setup"
on page127) so that you can restore the correct settings after installing the new battery.
2
Follow the procedures in "Before You Begin" on page 77.
3
Remove the computer cover (see "Removing the Computer Cover" on page78).
4
Locate the battery socket (see "System Board Components" on page81).
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