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MG2VV
Specification Sheet
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Specification Sheet
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Dell MG2VV Specification Sheet

Dell Vostro 3471
Service Manual
Regulatory Model: D13S Regulatory Type: D13S003
Contents
1 Working on your computer............................................................................................................ 5
Safety instructions................................................................................................................................................................ 5
Turning off your computer — Windows 10....................................................................................................................... 5
Before working inside your computer................................................................................................................................. 6
After working inside your computer....................................................................................................................................6
2 Technology and components......................................................................................................... 7
3 Removing and installing components............................................................................................ 10
Screw size list.......................................................................................................................................................................10
System board layout.............................................................................................................................................................11
Cover..................................................................................................................................................................................... 12
Removing the cover.......................................................................................................................................................12
Installing the cover......................................................................................................................................................... 13
Front Bezel............................................................................................................................................................................14
Removing the front bezel..............................................................................................................................................14
Installing the front bezel................................................................................................................................................ 16
Cooling shroud......................................................................................................................................................................18
Removing the cooling shroud....................................................................................................................................... 18
Installing the cooling shroud..........................................................................................................................................19
Expansion card.....................................................................................................................................................................20
Removing the PCIe X1 expansion card-optional........................................................................................................20
Installing the PCIe X1 expansion card–optional......................................................................................................... 22
Removing the PCIe X16 expansion card–optional.....................................................................................................24
Installing the PCIe X16 expansion card–optional.......................................................................................................26
Installing PCIe expansion card in slot 1– optional...................................................................................................... 28
3.5-inch hard drive chassis................................................................................................................................................. 31
Removing the 3.5-inch hard drive chassis ................................................................................................................. 31
Installing the 3.5-inch hard drive chassis ...................................................................................................................33
3.5-inch hard drive........................................................................................................................................................ 35
Drive cage.............................................................................................................................................................................37
Removing the drive cage.............................................................................................................................................. 37
Installing the drive cage................................................................................................................................................ 38
Optical drive................................................................................................................................................................... 40
M.2 SATA SSD ....................................................................................................................................................................42
Removing M.2 SATA SSD ........................................................................................................................................... 42
Installing M.2 SATA SSD ..............................................................................................................................................43
WLAN card...........................................................................................................................................................................44
Removing the WLAN card............................................................................................................................................44
Installing the WLAN card.............................................................................................................................................. 45
Heat sink assembly..............................................................................................................................................................46
2 Contents
Removing the heat sink assembly............................................................................................................................... 46
Installing the heat sink assembly..................................................................................................................................48
Memory modules.................................................................................................................................................................50
Removing the memory module....................................................................................................................................50
Installing the memory module....................................................................................................................................... 51
Power switch....................................................................................................................................................................... 52
Removing power switch............................................................................................................................................... 52
Installing the power switch...........................................................................................................................................54
Power supply unit................................................................................................................................................................56
Removing the power supply unit PSU........................................................................................................................ 56
Installing the power supply unit PSU.......................................................................................................................... 59
Removing the coin cell battery.................................................................................................................................... 62
Installing the coin cell battery.......................................................................................................................................63
Processor..............................................................................................................................................................................64
Removing the processor...............................................................................................................................................64
Installing the processor.................................................................................................................................................65
System board.......................................................................................................................................................................66
Removing the system board........................................................................................................................................ 66
Installing the system board............................................................................................................................................71
TPM 2.0 installation.......................................................................................................................................................76
4 Troubleshooting......................................................................................................................... 79
Enhanced Pre-Boot System Assessment — ePSA diagnostics................................................................................... 79
Running the ePSA Diagnostics.....................................................................................................................................79
Diagnostics........................................................................................................................................................................... 80
Diagnostic error messages................................................................................................................................................. 80
System error messages...................................................................................................................................................... 83
5 Getting help...............................................................................................................................84
Contacting Dell.................................................................................................................................................................... 84
Contents
3
Identifier GUID-5B8DE7B7-879F-45A4-88E0-732155904029 Status Released
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2019 -2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.
2019 - 08
Rev. A00
1
Identifier GUID-9CCD6D90-C1D1-427F-9E77-D4F83F3AD2B6 Status Released

Working on your computer

Identifier GUID-9821EDD0-9810-4752-8B3C-AF89B67C2DB0 Status Released

Safety instructions

GUID-9821EDD0-9810-4752-8B3C-AF89B67C2DB0
Use the following safety guidelines to protect your computer from potential damage and 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.
NOTE: 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.
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
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 at the same time as touching a connector on the back of the computer.
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.
Identifier GUID-7AC629FC-CB78-43E9-83EF-6B8836FDDAD4 Status Released

Turning off your computer — Windows 10

GUID-7AC629FC-CB78-43E9-83EF-6B8836FDDAD4
CAUTION:
computer or remove the side cover.
To avoid losing data, save and close all open files and exit all open programs before you turn off your
1. Click or tap .
2. Click or tap and then click or tap Shut down.
Working on your computer 5
NOTE: 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.
Identifier GUID-CEF5001C-74CA-41CA-8C75-25E2A80E8909 Status Released

Before working inside your computer

GUID-CEF5001C-74CA-41CA-8C75-25E2A80E8909
To avoid damaging your computer, perform the following steps before you begin working inside the computer.
1. Ensure that you follow the Safety Instruction.
2. Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
3. Turn off your computer.
4. Disconnect all network cables from the computer.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from
the network device.
5. Disconnect your computer and all attached devices from their electrical outlets.
6. Press and hold the power button while the computer is unplugged to ground the system board.
NOTE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching
an unpainted metal surface at the same time as touching a connector on the back of the computer.
Identifier GUID-F99E5E0D-8C96-4B55-A6C9-5722A035E20C Status Released

After working inside your computer

GUID-F99E5E0D-8C96-4B55-A6C9-5722A035E20C
After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your computer.
1. Connect any telephone or network cables to your computer.
CAUTION:
computer.
2. Connect your computer and all attached devices to their electrical outlets.
3. Turn on your computer.
4. If required, verify that the computer works correctly by running ePSA diagnostics.
To connect a network cable, first plug the cable into the network device and then plug it into the
6
Working on your computer
Identifier GUID-185D6308-9C53-4477-B3DB-8203E60E623A Status Released

Technology and components

Identifier GUID-2FE1F42C-4FCF-4580-9C68-D258E212454D Status Released

USB features

GUID-2FE1F42C-4FCF-4580-9C68-D258E212454D
Universal Serial Bus, or USB, was introduced in 1996. It dramatically simplified the connection between host computers and peripheral devices like mice, keyboards, external drivers, and printers.
Let's take a quick look on the USB evolution referencing to the table below.
Table 1. USB evolution
Type Data Transfer Rate Category Introduction Year
USB 2.0 480 Mbps High Speed 2000
USB 3.0/USB 3.1 Gen 1 5 Gbps Super Speed 2010
USB 3.1 Gen 2 10 Gbps Super Speed 2013
2
USB 3.0/USB 3.1 Gen 1 (SuperSpeed USB)
For years, the USB 2.0 has been firmly entrenched as the de facto interface standard in the PC world with about 6 billion devices sold, and yet the need for more speed grows by ever faster computing hardware and ever greater bandwidth demands. The USB 3.0/USB 3.1 Gen 1 finally has the answer to the consumers' demands with a theoretically 10 times faster than its predecessor. In a nutshell, USB 3.1 Gen 1 features are as follows:
• Higher transfer rates (up to 5 Gbps)
• Increased maximum bus power and increased device current draw to better accommodate power-hungry devices
• New power management features
• Full-duplex data transfers and support for new transfer types
• Backward USB 2.0 compatibility
• New connectors and cable
The topics below cover some of the most commonly asked questions regarding USB 3.0/USB 3.1 Gen 1.
Speed
Currently, there are 3 speed modes defined by the latest USB 3.0/USB 3.1 Gen 1 specification. They are Super-Speed, Hi-Speed and Full­Speed. The new SuperSpeed mode has a transfer rate of 4.8Gbps. While the specification retains Hi-Speed, and Full-Speed USB mode, commonly known as USB 2.0 and 1.1 respectively, the slower modes still operate at 480Mbps and 12Mbps respectively and are kept to maintain backward compatibility.
USB 3.0/USB 3.1 Gen 1 achieves the much higher performance by the technical changes below:
• An additional physical bus that is added in parallel with the existing USB 2.0 bus (refer to the picture below).
Technology and components 7
• USB 2.0 previously had four wires (power, ground, and a pair for differential data); USB 3.0/USB 3.1 Gen 1 adds four more for two pairs of differential signals (receive and transmit) for a combined total of eight connections in the connectors and cabling.
• USB 3.0/USB 3.1 Gen 1 utilizes the bidirectional data interface, rather than USB 2.0's half-duplex arrangement. This gives a 10-fold increase in theoretical bandwidth.
With today's ever increasing demands placed on data transfers with high-definition video content, terabyte storage devices, high megapixel count digital cameras etc., USB 2.0 may not be fast enough. Furthermore, no USB 2.0 connection could ever come close to the 480Mbps theoretical maximum throughput, making data transfer at around 320Mbps (40MB/s) — the actual real-world maximum. Similarly, USB 3.0/USB 3.1 Gen 1 connections will never achieve 4.8Gbps. We will likely see a real-world maximum rate of 400MB/s with overheads. At this speed, USB 3.0/USB 3.1 Gen 1 is a 10x improvement over USB 2.0.
Applications
USB 3.0/USB 3.1 Gen 1 opens up the laneways and provides more headroom for devices to deliver a better overall experience. Where USB video was barely tolerable previously (both from a maximum resolution, latency, and video compression perspective), it's easy to imagine that with 5-10 times the bandwidth available, USB video solutions should work that much better. Single-link DVI requires almost 2Gbps throughput. Where 480Mbps was limiting, 5Gbps is more than promising. With its promised 4.8Gbps speed, the standard will find its way into some products that previously weren't USB territory, like external RAID storage systems.
Listed below are some of the available SuperSpeed USB 3.0/USB 3.1 Gen 1 products:
• External Desktop USB 3.0/USB 3.1 Gen 1 Hard Drives
• Portable USB 3.0/USB 3.1 Gen 1 Hard Drives
• USB 3.0/USB 3.1 Gen 1 Drive Docks & Adapters
• USB 3.0/USB 3.1 Gen 1 Flash Drives & Readers
• USB 3.0/USB 3.1 Gen 1 Solid-state Drives
• USB 3.0/USB 3.1 Gen 1 RAIDs
• Optical Media Drives
• Multimedia Devices
• Networking
• USB 3.0/USB 3.1 Gen 1 Adapter Cards & Hubs
Compatibility
The good news is that USB 3.0/USB 3.1 Gen 1 has been carefully planned from the start to peacefully co-exist with USB 2.0. First of all, while USB 3.0/USB 3.1 Gen 1 specifies new physical connections and thus new cables to take advantage of the higher speed capability of the new protocol, the connector itself remains the same rectangular shape with the four USB 2.0 contacts in the exact same location as before. Five new connections to carry receive and transmitted data independently are present on USB 3.0/USB 3.1 Gen 1 cables and only come into contact when connected to a proper SuperSpeed USB connection.
8
Technology and components
Identifier GUID-F015869F-9930-4CD6-A002-678BC87259A3 Status Released

HDMI 1.4

GUID-F015869F-9930-4CD6-A002-678BC87259A3
This topic explains the HDMI 1.4 and its features along with the advantages.
HDMI (High-Definition Multimedia Interface) is an industry-supported, uncompressed, all-digital audio/video interface. HDMI provides an interface between any compatible digital audio/video source, such as a DVD player, or A/V receiver and a compatible digital audio and/or video monitor, such as a digital TV (DTV). The intended applications for HDMI TVs, and DVD players. The primary advantage is cable reduction and content protection provisions. HDMI supports standard, enhanced, or high-definition video, plus multichannel digital audio on a single cable.
NOTE: The HDMI 1.4 will provide 5.1 channel audio support.
HDMI 1.4 Features
• HDMI Ethernet Channel - Adds high-speed networking to an HDMI link, allowing users to take full advantage of their IP-enabled devices without a separate Ethernet cable
• Audio Return Channel - Allows an HDMI-connected TV with a built-in tuner to send audio data "upstream" to a surround audio system, eliminating the need for a separate audio cable
• 3D - Defines input/output protocols for major 3D video formats, paving the way for true 3D gaming and 3D home theater applications
• Content Type - Real-time signaling of content types between display and source devices, enabling a TV to optimize picture settings based on content type
• Additional Color Spaces - Adds support for additional color models used in digital photography and computer graphics
• 4K Support - Enables video resolutions far beyond 1080p, supporting next-generation displays that will rival the Digital Cinema systems used in many commercial movie theaters
• HDMI Micro Connector - A new, smaller connector for phones and other portable devices, supporting video resolutions up to 1080p
• Automotive Connection System - New cables and connectors for automotive video systems, designed to meet the unique demands of the motoring environment while delivering true HD quality
Advantages of HDMI
• Quality HDMI transfers uncompressed digital audio and video for the highest, crispest image quality.
• Low -cost HDMI provides the quality and functionality of a digital interface while also supporting uncompressed video formats in a simple, cost-effective manner
• Audio HDMI supports multiple audio formats from standard stereo to multichannel surround sound
• HDMI combines video and multichannel audio into a single cable, eliminating the cost, complexity, and confusion of multiple cables currently used in A/V systems
• HDMI supports communication between the video source (such as a DVD player) and the DTV, enabling new functionality
Technology and components
9
Identifier GUID-7FBB11D7-9820-47BB-AFAA-48FA912314D9 Status Released

Removing and installing components

Identifier GUID-6B3E81F5-5AC2-45BF-B1DD-36F28AC108A5 Status Released

Recommended tools

GUID-6B3E81F5-5AC2-45BF-B1DD-36F28AC108A5
The procedures in this document require the following tools:
• Phillips # 1 screwdriver
• Phillips # 2 screwdriver
• Small plastic scribe
3
Identifier Status Released
GUID-9DC45B3A-E001-444B-B431-BDFD458CA89B

Screw size list

GUID-9DC45B3A-E001-444B-B431-BDFD458CA89B
Table 2. Vostro 3471
Component Screw type Quantity Image Color
System board 6-32xL6.35 6 Black
Power Supply Unit 6-32xL6.35 3
3.5-inch hard drive chassis
Drive cage 6-32xL6.35 1
Cover 6-32xL6.35 2
IO bracket 6-32xL6.35 1
3.5-inch hard drive to
3.5- hard drive bracket
2.5-inch hard drive chassis
2.5–inch hard drive to drive bracket
6-32xL6.35 2
6-32xL3.6 2 Silver
6-32xL3.6 1
M3x3.5 4 Silver
Optical drive to optical drive bracket
WLAN card M2x3.5 1 Silver
10 Removing and installing components
M2x2 3 Black
Identifier GUID-0B939728-5042-4649-AE68-D97898E910B7 Status Released

System board layout

GUID-0B939728-5042-4649-AE68-D97898E910B7
1. Power switch connector
2. M.2 connector for WIFI card
3. Coin cell battery connector
4. SATA power connector (Black)
5. SATA0 connector (Blue)
6. SATA3 connector (Black)
7. ATX Power Connector(ATX_SYS)
8. SATA2 connector (White)
9. Service mode / password clear/CMOS clear jumpers
10. PCI-e X16 Connector(SLOT2)
11. PCI-e X1 Connector(SLOT1)
12. M.2 SATA Connector for SSD
13. Processor socket
14. CPU Power Connector(ATX_CPU)
15. CPU Fan Connector(FAN_CPU)
16. Memory-module slots (DIMM1, DIMM2)
Removing and installing components
11
Identifier GUID-E4057972-BBB3-4E21-904F-8F96933795B9 Status Released

Cover

GUID-E4057972-BBB3-4E21-904F-8F96933795B9
Identifier GUID-040FD613-8469-40DD-B4FA-D8BDF1FB6559 Status Released

Removing the cover

GUID-040FD613-8469-40DD-B4FA-D8BDF1FB6559
1. Follow the procedure in Before working inside your computer.
2. Follow the steps to remove the cover:
a) Remove the two 6-32xL6.35 screws that secure the cover to the computer [1]. b) Slide the computer cover towards the back of the computer [2].
c) Lift and remove the cover from the computer .
12
Removing and installing components
Identifier GUID-CDC47A10-166B-4047-8DB6-F73859DC4177 Status Released

Installing the cover

GUID-CDC47A10-166B-4047-8DB6-F73859DC4177
1. Slide the cover from the back of the computer, until the latches snap-in [1].
2. Replace the two 6-32xL6.35 screws to secure the cover [2].
Removing and installing components
13
3. Follow the procedures in After Working Inside Your Computer
Identifier Status Released
GUID-A73EBADB-AAC5-4773-9725-D58B244270EA

Front Bezel

GUID-A73EBADB-AAC5-4773-9725-D58B244270EA
Identifier Status Released

Removing the front bezel

GUID-568701C6-B538-4379-B228-0F8EFECDDBF9
1. Follow the procedure in Before working inside your computer.
2. Remove cover.
3. Follow the steps to remove the front bezel:
a) Pull the tabs to remove the front bezel.
GUID-568701C6-B538-4379-B228-0F8EFECDDBF9
14
Removing and installing components
b) Rotate the front bezel away from the computer [1] and pull to release the tabs on the front bezel from the front-panel slots [2].
Removing and installing components
15
Identifier GUID-15B3D0BB-388E-40BA-88D8-3E5AEDB338A4 Status Released

Installing the front bezel

GUID-15B3D0BB-388E-40BA-88D8-3E5AEDB338A4
1. Hold the bezel and ensure that the hooks on the tabs snap into the notches on the computer [1].
2. Rotate the front bezel toward the front of the computer [2].
16
Removing and installing components
3. Press the front bezel until the tabs snap in.
Removing and installing components
17
4. Install the cover.
5. Follow the procedure in After Working Inside Your Computer.
Identifier Status Released
GUID-60A52EA6-2990-49F4-9800-B9A7C0A5D6BC

Cooling shroud

GUID-60A52EA6-2990-49F4-9800-B9A7C0A5D6BC
Identifier Status Released

Removing the cooling shroud

GUID-6B576122-84FB-401B-8D7A-C21EA01FA0F6
1. Follow the procedure in Before working inside your computer.
2. Remove the cover
3. Follow the steps to remove the heat sink fan cover:
a) Pry the plastic notches that secure the fan cover in an outward direction [1]. b) Remove the fan cover from the heat sink assembly [2].
18
Removing and installing components
GUID-6B576122-84FB-401B-8D7A-C21EA01FA0F6
Identifier GUID-28CDA800-289E-4E4C-9FCA-EE0C9C52D5C1 Status Released

Installing the cooling shroud

GUID-28CDA800-289E-4E4C-9FCA-EE0C9C52D5C1
1. Align the tabs on the cooling shroud with the securing slots on the computer.
2. Lower the cooling shroud into the chassis until the notches secure with a click sound and the cooling shroud is firmly seated.
Removing and installing components
19
NOTE: Make sure the cooling shroud is placed such that the 'REAR' mark on the cooling shroud is towards the rear
side of the system.
3. Install the cover.
4. Follow the procedure in After Working Inside Your Computer.
Identifier Status Released
GUID-14C0D031-FA0A-4269-B841-B2EBD0633192

Expansion card

GUID-14C0D031-FA0A-4269-B841-B2EBD0633192
Identifier Status Released

Removing the PCIe X1 expansion card-optional

GUID-4F12F1C3-22A1-4861-AEBA-F624D63B8F75
1. Follow the procedure in Before working inside your computer.
2. Remove the cover.
3. Perform the following steps to remove the expansion card:
20
Removing and installing components
GUID-4F12F1C3-22A1-4861-AEBA-F624D63B8F75
a) Pull the metal tab to release the expansion card.
b) Remove the expansion card from the slot on the computer
Removing and installing components
21
Identifier GUID-2B8B9C30-2700-427F-9D78-840417C7153D Status Released

Installing the PCIe X1 expansion card–optional

GUID-2B8B9C30-2700-427F-9D78-840417C7153D
1. Insert the expansion card on the slot.
22
Removing and installing components
2. Push the metal tab until it snaps in place.
Removing and installing components
23
3. Install the cover
4. Follow the procedure in After Working Inside Your Computer.
Identifier Status Released
GUID-9CB95972-CD04-4F3C-8910-BC99DF8E6C6A

Removing the PCIe X16 expansion card–optional

GUID-9CB95972-CD04-4F3C-8910-BC99DF8E6C6A
1. Follow the procedure in Before working inside your computer.
2. Remove the cover.
3. Perform the following steps to remove the expansion card:
a) Pull the metal tab to release the expansion card.
24
Removing and installing components
b) Pull the card-retention tab [1], and remove the expansion card from the slot on the computer [2].
Removing and installing components
25
Identifier GUID-E3A861CA-4F34-46F4-977A-0245E619E662 Status Released

Installing the PCIe X16 expansion card–optional

GUID-E3A861CA-4F34-46F4-977A-0245E619E662
1. Insert the expansion card on the slot [1].
2. Push the card-retention latch to secure the expansion card [2].
26
Removing and installing components
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