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2014 - 10
Rev. A00
Contents
Before Working Inside Your Computer...................... 10
Before You Begin .............................................................................................. 10
Flashing the BIOS............................................................................................ 132
Before Working Inside Your
Computer
CAUTION: To avoid damaging the components and cards,
handle them by their edges and avoid touching pins and
contacts.
NOTE: The images in this document may differ from your computer
depending on the configuration you ordered.
Before You Begin
1 Save and close all open files and exit all open applications.
2 Shut down your computer.
– Windows 8.1: On the Start screen, click or tap the power icon →
Shut down.
– Windows 7: Click or tap Start → Shut down.
NOTE: If you are using a different operating system, see the
documentation of your operating system for shut-down instructions.
3 Disconnect your computer and all attached devices from their electrical
outlets.
4 Disconnect all cables such as telephone cables, network cables and so on,
from your computer.
5 Disconnect all attached devices and peripherals, such as keyboard, mouse,
monitor, and so on, from your computer.
6 Remove any media card and optical disc from your computer, if applicable.
7 After the computer is unplugged, press and hold the power button for 5
seconds to ground the system board.
Safety Instructions
Use the following safety guidelines to protect your computer from potential
damage and ensure your personal safety.
10
WARNING: Before working inside your computer, read the
safety information that shipped with your computer. For
more safety best practices, see the Regulatory Compliance
home page at dell.com/regulatory_compliance.
WARNING: Disconnect all power sources before opening the
computer cover or panels. After you finish working inside
the computer, replace all covers, panels, and screws before
connecting to the power source.
CAUTION: To avoid damaging the computer, make sure that
the work surface is flat and clean.
CAUTION: To avoid damaging the components and cards,
handle them by their edges and avoid touching pins and
contacts.
CAUTION: Only a certified service technician is authorized to
remove the computer cover and access any of the
components inside the computer. See the safety
instructions for complete information about safety
precautions, working inside your computer, and protecting
against electrostatic discharge.
CAUTION: Before touching anything inside your computer,
ground yourself by touching an unpainted metal surface,
such as the metal at the back of the computer. While you
work, periodically touch an unpainted metal surface to
dissipate static electricity, which could harm internal
components.
CAUTION: When you disconnect a cable, pull on its connector
or on its pull-tab, not on the cable itself. Some cables have
connectors with locking tabs or thumb-screws that you
must disengage before disconnecting the cable. When
disconnecting cables, keep them evenly aligned to avoid
bending any connector pins. When connecting cables, make
sure that the ports and connectors are correctly oriented
and aligned.
CAUTION: To disconnect a network cable, first unplug the
cable from your computer and then unplug the cable from
the network device.
11
CAUTION: Press and eject any installed card from the mediacard reader.
Recommended Tools
The procedures in this document may require the following tools:
•Philips screwdriver
•Flat-head screwdriver
•Plastic scribe
12
After Working Inside Your
Computer
CAUTION: Leaving stray or loose screws inside your
computer may severely damage your computer.
1 Replace all screws and make sure that no stray screws remain inside your
computer.
2 Connect any external devices, peripherals, and cables you removed before
working on your computer.
3 Replace any media cards, discs, and any other part(s) that you removed
before working on your computer.
4 Connect your computer and all attached devices to their electrical outlets.
5 Turn on your computer.
13
Technical Overview
WARNING: Before working inside your computer, read the
safety information that shipped with your computer and
follow the steps in
After working inside your computer, follow the instructions
in After Working Inside Your Computer. For more safety best
practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Inside View of Your Computer
To view the different components installed in your computer. See “Right View”
and “Left View”.
Before Working Inside Your Computer.
14
Right View
1processor liquid-cooling
assembly-fan
3system board4power-supply
5AlienFX side-panel connector6PCI fan
7processor liquid-cooling assembly
pump
9memory fan (top fan)
2graphics card
8memory modules
15
Left View
1optical drive (ODD)2I/O board (IO BRD)
3drive-bay heat-sensor42.5 inch drive bracket (HDD4/
1 With both hands, hold the handle on top of the computer.
20
2 Lift the computer.
1handle2computer
21
Removing the Stability Foot
WARNING: Before working inside your computer, read the
safety information that shipped with your computer and
follow the steps in
After working inside your computer, follow the instructions
in After Working Inside Your Computer. For more safety best
practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Procedure
1 Tilt the computer towards the front until the base is facing up.
Before Working Inside Your Computer.
2 Remove the screws that secure the stability foot to the computer.
22
3 Lift the stability foot off the computer.
1stability foot2screws (2)
3computer
23
4 Tilt the computer back to the upright position.
24
Replacing the Stability Foot
WARNING: Before working inside your computer, read the
safety information that shipped with your computer and
follow the steps in
After working inside your computer, follow the instructions
in After Working Inside Your Computer. For more safety best
practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Procedure
1 Tilt the computer towards the front until the base is facing up.
2 Align the screw holes on the stability foot with the screw holes on the base
of the computer and replace the screws.
3 Tilt the computer back to the upright position.
Before Working Inside Your Computer.
25
Removing the Side Panels
WARNING: Before working inside your computer, read the
safety information that shipped with your computer and
follow the steps in
After working inside your computer, follow the instructions
in After Working Inside Your Computer. For more safety best
practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Procedure
NOTE: Make sure that you remove the security cable from the security
cable slot (if applicable).
1 Remove the screw that secures the security-cable slot latch.
The security-cable slot slides to the unlocked position.
2 Lift the release panel to open the right side-panel.
Before Working Inside Your Computer.
26
3 Pull and lift the right side-panel away from the chassis.
1screw2security-cable slot latch
3release panel4right side-panel
4 Repeat the procedure from step 2 to step 3 on the left side-panel.
27
Replacing the Side Panels
WARNING: Before working inside your computer, read the
safety information that shipped with your computer and
follow the steps in
After working inside your computer, follow the instructions
in After Working Inside Your Computer. For more safety best
practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Procedure
1 Align the tabs on the right side-panel with the slots on the right side of the
computer and snap the panel to lock it in place.
2 Repeat step 1 to replace the left side-panel.
3 Slide and hold the security-cable slot latch in the locked position.
4 Replace the screw that secures the security-cable slot latch.
Before Working Inside Your Computer.
28
Removing the Battery
WARNING: Before working inside your computer, read the
safety information that shipped with your computer and
follow the steps in
After working inside your computer, follow the instructions
in After Working Inside Your Computer. For more safety best
practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Prerequisites
Remove the right side-panel. See “Removing the Side Panels”.
Before Working Inside Your Computer.
29
Procedure
Slide and open the battery-case door and remove the batteries from the
battery-case.
30
1battery-case door2AA batteries (2)
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