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Contents
1 Working on Your Computer....................................................................................................... 5
Before Working Inside Your Computer.....................................................................................................................5
Turning Off Your Computer....................................................................................................................................... 6
After Working Inside Your Computer........................................................................................................................6
2 Removing and Installing Components..................................................................................... 7
Removing the Cover..................................................................................................................................................7
Installing the Cover...................................................................................................................................................7
Removing the Front Bezel......................................................................................................................................... 8
Installing the Front Bezel.......................................................................................................................................... 8
Removing The Wireless Local Area Network (WLAN) Card.................................................................................... 9
Installing The WLAN Card........................................................................................................................................ 9
Removing the Drive Cage....................................................................................................................................... 10
Installing the Drive Cage.........................................................................................................................................11
Removing the Optical Drive.................................................................................................................................... 11
Installing the Optical Drive..................................................................................................................................... 13
Removing the Hard Drive........................................................................................................................................13
Installing the Hard Drive......................................................................................................................................... 14
Removing the Intrusion Switch...............................................................................................................................15
Installing the Intrusion Switch................................................................................................................................16
Removing the Memory............................................................................................................................................16
Installing the Memory.............................................................................................................................................17
Removing the Coin-Cell Battery..............................................................................................................................17
Installing the Coin-Cell Battery...............................................................................................................................18
Removing the System Fan.......................................................................................................................................18
Installing the System Fan........................................................................................................................................20
Removing the Speaker............................................................................................................................................20
Installing the Speaker.............................................................................................................................................21
Removing the Power-Switch Cable........................................................................................................................21
Installing the Power-Switch Cable......................................................................................................................... 22
Removing the Input/Output (I/O) Panel...................................................................................................................22
Installing the Input/Output (I/O) Panel.................................................................................................................... 23
Removing the Power Supply...................................................................................................................................23
Installing the Power Supply....................................................................................................................................26
Removing the Heat Sink .........................................................................................................................................27
Installing the Heat Sink...........................................................................................................................................29
Removing the Processor.........................................................................................................................................29
Installing the Processor..........................................................................................................................................30
Removing the System Board...................................................................................................................................30
System Board Components.................................................................................................................................... 32
Installing the System Board....................................................................................................................................33
3 System Setup............................................................................................................................. 35
System Setup Options.............................................................................................................................................36
Updating the BIOS ................................................................................................................................................. 44
System and Setup Password..................................................................................................................................44
Assigning a System Password and Setup Password...................................................................................... 45
Deleting or Changing an Existing System and/or Setup Password..................................................................45
Disabling a System Password..........................................................................................................................46
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics...............................................................................47
5 Troubleshooting Your Computer.............................................................................................49
Power LED Diagnostics.......................................................................................................................................... 49
Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your
personal safety. Unless otherwise noted, each procedure included in this document assumes that the following
conditions exist:
•You have read the safety information that shipped with your computer.
•A component can be replaced or--if purchased separately--installed by performing the removal procedure in
reverse order.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For
additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/
regulatory_compliance
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically
touching an unpainted metal surface, such as a connector on the back of the computer.
1
CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a
card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its
pins.
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; if you are disconnecting this type of cable, press in on the locking tabs
before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any
connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.
NOTE: The color of your computer and certain components may appear differently than shown in this document.
To avoid damaging your computer, perform the following steps before you begin working inside the computer.
1.Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
2.Turn off your computer (see Turning Off Your Computer).
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the
cable from the network device.
3.Disconnect all network cables from the computer.
4.Disconnect your computer and all attached devices from their electrical outlets.
5.Press and hold the power button while the computer is unplugged to ground the system board.
6.Remove the cover.
5
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.
Turning Off Your Computer
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your
computer.
1.Shut down the operating system:
– In Windows 8:
* Using a touch-enabled device:
a. Swipe in from the right edge of the screen, opening the Charms menu and select Settings.
b. Select the and then select Shut down
* Using a mouse:
a. Point to upper-right corner of the screen and click Settings.
b. Click the and select Shut down.
– In Windows 7:
1. Click Start.
2. Click Shut Down.
or
1. Click Start.
2. Click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut
.
Down.
2.Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not
automatically turn off when you shut down your operating system, press and hold the power button for about 6
seconds to turn them off.
After Working Inside Your Computer
After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before
turning on your computer.
1.Replace the cover.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the
computer.
2.Connect any telephone or network cables to your computer.
3.Connect your computer and all attached devices to their electrical outlets.
4.Turn on your computer.
5.If required, verify that the computer works correctly by running the Dell Diagnostics.
6
Removing and Installing Components
This section provides detailed information on how to remove or install the components from your computer.
Recommended Tools
The procedures in this document may require the following tools:
•Small flat-blade screwdriver
•Phillips screwdriver
•Small plastic scribe
Removing the Cover
2
1.Follow the procedures in
2.Pull up the cover-release latch at the side of the computer.
3.Lift the cover upward to a 45–degree angle and remove it from the computer.
Before Working Inside Your Computer
.
Installing the Cover
1.Place the cover on the chassis.
2.Press down on the cover till it clicks into place.
3.Follow the procedures in
After Working Inside Your Computer
.
7
Removing the Front Bezel
1.Follow the procedures in
2.Remove the cover.
3.Pry the front bezel retention clips away from the chassis.
4.Rotate the bezel away from the computer to release the hooks on the opposite edge of the bezel from the chassis.
Then, lift the chassis and remove the front bezel from the computer.
Before Working Inside Your Computer
.
Installing the Front Bezel
1.Insert the hooks along the bottom edge of the front bezel into the slots on the chassis front.
2.Push the bezel toward the computer to engage the front bezel retention clips until they click into place.
3.Install the cover.
4.Follow the procedures in
8
After Working Inside Your Computer
.
Removing The Wireless Local Area Network (WLAN) Card
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the cover.
3.Remove the screws the secure the antenna puck to the connector. Pull out the antenna puck from the computer.
4.Press the blue tab and lift the latch outwards. Lift and remove the WLAN card from the computer.
Installing The WLAN Card
1.Insert the WLAN card into the connector on the system board and press down until it is securely in place. Fix the
latch.
2.Place the antenna puck on the connector and tighten the screws that secure it to the computer.
3.Install the cover.
4.Follow the procedures in After Working Inside Your Computer.
9
Removing the Drive Cage
1.Follow the procedures in
2.Remove the:
a) cover
b) front bezel
3.Remove the data cable and power cable from the back of the drive.
Before Working Inside Your Computer
.
4.Slide the drive-cage handle toward the back of the computer into the unlocked position.
10
5.Rotate the drive cage upward using the handle and lift the drive cage free off the chassis.
Installing the Drive Cage
1.Place the drive cage on the edge of the computer to allow access to the cable connectors on the hard drive.
2.Connect the data cable and power cable to the back of the hard drive.
3.Flip over the drive cage and insert it into the chassis. The drive cage tabs are secured by the slots in the chassis.
4.Slide the drive-cage handle toward the front of the computer into the locked position.
5.Connect the data cable and power cable to the back of the optical drive.
6.Install the:
a) front bezel
b) cover
7.Follow the procedures in
After Working Inside Your Computer
.
Removing the Optical Drive
1.Follow the procedures in
2.Remove the cover.
Before Working Inside Your Computer
.
11
3.Remove the data cable and power cable from the back of the optical drive.
4.Lift the blue tab and slide the optical drive inwards to remove it from the computer.
12
5.Pry the sides of the bracket to remove the optical drive.
Installing the Optical Drive
1.Insert the optical drive into the bracket.
2.Lift the blue tab and slide the optical drive outwards to insert it into the computer.
3.Connect the data cable and power cable to the optical drive.
4.Install the cover.
5.Follow the procedures in
After Working Inside Your Computer
.
Removing the Hard Drive
1.Follow the procedures in
2.Remove the cover.
3.Press the retention clips inwards and slide the hard-drive bracket out from the drive cage.
Before Working Inside Your Computer
.
13
4.Flex the hard-drive bracket and then remove the hard drive from the bracket.
5.
Release the screws that secure the hard drive to the top of the hard-drive bracket.
6.Release the screws that secure the hard drive to the underside of the hard-drive bracket.
Installing the Hard Drive
1.Tighten the screws to secure the hard drive to the hard-drive bracket.
2.Flex the hard-drive bracket and then insert the hard drive into the bracket.
3.Press the retention clips inwards and slide the hard-drive bracket into the drive cage.
4.Install the cover.
14
5.Follow the procedures in
After Working Inside Your Computer
Removing the Intrusion Switch
.
1.Follow the procedures in
2.Remove the cover.
3.Disconnect the intrusion-switch cable from the system board.
Before Working Inside Your Computer
.
4.Slide the intrusion switch inwards and remove it from the system board.
15
Installing the Intrusion Switch
1.Insert the intrusion switch into the chassis rear and slide it outward to secure it.
2.Connect the intrusion-switch cable to the system board.
3.Install the cover.
4.Follow the procedures in
After Working Inside Your Computer
.
Memory Module Guidelines
To ensure optimal performance of your computer, observe the following general guidelines when configuring your
system memory:
•Memory modules of different sizes can be mixed (for example, 2 GB and 4 GB). But, all populated channels must
have identical configurations.
•Memory modules must be installed beginning with the first socket.
NOTE: The memory sockets in your computer may be labeled differently depending on the hardware
configuration. For example, A1, A2 or 1,2,3.
•If the quad-rank memory modules are mixed with single or dual-rank modules, the quad-rank modules must be
installed in the sockets with the white release levers.
•If memory modules with different speeds are installed, they operate at the speed of the slowest installed
memory modules.
Removing the Memory
1.Follow the procedures in
2.Remove the:
a) cover
b) front bezel
c) drive cage
Before Working Inside Your Computer
.
3.Release the memory-retention clips on each side of the memory modules.
16
4.Lift the memory modules out of the connectors on the system board.
Installing the Memory
1.Insert the memory modules into the connectors on the system board.
2.Press down on the memory modules until the retention clips spring back to secure them in place.
3.Install the:
a) drive cage
b) front bezel
c) cover
4.Follow the procedures in
After Working Inside Your Computer
.
Removing the Coin-Cell Battery
1.Follow the procedures in
2.Remove the:
a) cover
b) front bezel
3.Press the release latch away from the battery to allow it to pop up from the socket and then lift the coin-cell battery
out of the computer.
Before Working Inside Your Computer
.
17
Installing the Coin-Cell Battery
1.Place the coin-cell battery into its slot on the system board.
2.Press the coin-cell battery downward till the release latch springs back into place and secures it.
3.Install the:
a) front bezel
b) cover
4.Follow the procedures in
After Working Inside Your Computer
.
Removing the System Fan
1.Follow the procedures in
2.Remove the:
a) cover
b) front bezel
c) drive cage
18
Before Working Inside Your Computer
.
3.Disconnect the fan cable from the system board.
4.Release the cable from the restraint.
5.Pry and remove the system fan away from the grommets securing it to the computer. Then, press the grommets
inward along the slots and pass through the chassis.
19
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