Dell Vostro 5490 Owner's manual

Dell Vostro 5490

Service Manual

Regulatory Model: P116G

Regulatory Type: P116G001

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.

Other trademarks may be trademarks of their respective owners.

2019 - 08

Rev. A00

1 Working on your computer............................................................................................................ 6

Safety instructions.................................................................................................................................................................6

Turning off your computer — Windows 10....................................................................................................................... 6

Before working inside your computer................................................................................................................................. 7

After working inside your computer.................................................................................................................................... 7

2 Removing and installing components............................................................................................. 8

Recommended tools..............................................................................................................................................................8

Screw List...............................................................................................................................................................................8

Base cover..............................................................................................................................................................................9

Removing the base cover............................................................................................................................................... 9

Installing the base cover.................................................................................................................................................11

Battery...................................................................................................................................................................................13

Lithium-ion battery precautions................................................................................................................................... 13

Removing the battery.................................................................................................................................................... 14

Installing the battery...................................................................................................................................................... 15

Memory modules..................................................................................................................................................................15

Removing the secondary memory module..................................................................................................................15

Installing the secondary memory module.................................................................................................................... 16

Hard drive..............................................................................................................................................................................17

Removing the hard drive............................................................................................................................................... 17

Installing the hard drive..................................................................................................................................................18

Solid state drive....................................................................................................................................................................19

Removing the M.2 2230 solid-state drive...................................................................................................................19

Removing the M.2 2242 solid-state drive.................................................................................................................. 20

Removing the M.2 2280 solid-state drive...................................................................................................................21

Replacing the SSD support bracket.............................................................................................................................21

Installing M.2 2230 solid-state drive........................................................................................................................... 22

Installing M.2 2242 solid-state drive............................................................................................................................23

Installing M.2 2280 solid-state drive........................................................................................................................... 24

WLAN card...........................................................................................................................................................................25

Removing the WLAN card............................................................................................................................................25

Installing the WLAN card.............................................................................................................................................. 26

Coin-cell battery.................................................................................................................................................................. 27

Removing the coin-cell battery....................................................................................................................................27

Installing the coin-cell battery...................................................................................................................................... 28

Speakers............................................................................................................................................................................... 29

Removing the speakers................................................................................................................................................ 29

Installing the speakers...................................................................................................................................................30

Input and output board....................................................................................................................................................... 32

Removing the input and output board........................................................................................................................32

Installing the input and output board.......................................................................................................................... 33

Heatsink—discrete............................................................................................................................................................. 34

Removing the heatsink assembly-discrete.................................................................................................................34

Contents

Contents 3

Installing the heatsink assembly-discrete................................................................................................................... 35

System fan........................................................................................................................................................................... 36

Removing the system fan.............................................................................................................................................36

Installing the system fan............................................................................................................................................... 37

Touchpad..............................................................................................................................................................................38

Removing the touchpad............................................................................................................................................... 38

Installing the touchpad..................................................................................................................................................39

Power-adapter port............................................................................................................................................................. 41

Removing the power-adapter port.............................................................................................................................. 41

Installing the power-adapter port................................................................................................................................42

System board....................................................................................................................................................................... 43

Removing the system board........................................................................................................................................ 43

Installing the system board...........................................................................................................................................44

Power button....................................................................................................................................................................... 47

Removing the power button........................................................................................................................................ 47

Installing the power button...........................................................................................................................................48

Power button with fingerprint reader...............................................................................................................................50

Removing the power button with fingerprint reader................................................................................................50

Installing the power button with fingerprint reader................................................................................................... 51

Display assembly..................................................................................................................................................................52

Removing the display assembly................................................................................................................................... 52

Installing the display assembly..................................................................................................................................... 56

Palmrest assembly...............................................................................................................................................................59

Replacing the palmrest assembly................................................................................................................................ 59

3 System setup............................................................................................................................. 61

Boot menu.............................................................................................................................................................................61

Navigation keys.................................................................................................................................................................... 61

Boot Sequence.................................................................................................................................................................... 62

System setup options......................................................................................................................................................... 62

Overview.........................................................................................................................................................................62

Boot options................................................................................................................................................................... 63

System information....................................................................................................................................................... 63

Video............................................................................................................................................................................... 65

Security...........................................................................................................................................................................65

Passwords...................................................................................................................................................................... 66

Secure boot.................................................................................................................................................................... 67

Performance...................................................................................................................................................................67

Power management...................................................................................................................................................... 68

Wireless...........................................................................................................................................................................69

POST behavior...............................................................................................................................................................69

Virtualization support.................................................................................................................................................... 69

Maintenance...................................................................................................................................................................70

System logs.................................................................................................................................................................... 70

Updating the BIOS in Windows ........................................................................................................................................ 70

Updating BIOS on systems with BitLocker enabled...................................................................................................71

Updating your system BIOS using a USB flash drive.................................................................................................71

System and setup password.............................................................................................................................................. 72

Assigning a system setup password............................................................................................................................72

Deleting or changing an existing system setup password........................................................................................73

4

Contents

4 Troubleshooting......................................................................................................................... 74

Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................74

Running the ePSA diagnostics..................................................................................................................................... 74

Diagnostics........................................................................................................................................................................... 74

M-BIST............................................................................................................................................................................75

L-BIST............................................................................................................................................................................. 75

System diagnostic lights..................................................................................................................................................... 75

WiFi power cycle..................................................................................................................................................................76

5 Getting help............................................................................................................................... 77

Contacting Dell.....................................................................................................................................................................77

Contents 5

Working on your computer

Safety instructions

Prerequisites

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.

About this task

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.

Turning off your computer — Windows 10

About this task

CAUTION:

To avoid losing data, save and close all open files and exit all open programs before you turn off your

computer or remove the side cover.

Steps

1. Click or tap .

2. Click or tap and then click or tap Shut down.

1

6 Working on your computer

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.

Before working inside your computer

About this task

To avoid damaging your computer, perform the following steps before you begin working inside the computer.

Steps

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.

After working inside your computer

About this task

After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your

computer.

Steps

1. Connect any telephone or network cables to your computer.

CAUTION:

To connect a network cable, first plug the cable into the network device and then plug it into the

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.

Working on your computer

7

Removing and installing components

Recommended tools

The procedures in this document require the following tools:

• Phillips #0 screwdriver

• Phillips #1 screwdriver

• Plastic scribe

NOTE:

The #0 screw driver is for screws 0-1 and the #1 screw driver is for screws 2-4

Screw List

The following table shows the screw list and the images for different components.

Table 1. Screw Size List

Component Screw type Quantity Image

Base cover M2X5

M2x8 (captive screws)

5

4

Battery M2x3 3

WLAN M2x3 1

System fan M2x3 2

DC-In M2x3 1

SSD M2x3 1

Input output board M2x3 2

USB Type-C bracket M2x3 2

HDD assembly M2x3 4

Power button M2x3 2

HDD bracket M3x3 4

2

8 Removing and installing components

Component Screw type Quantity Image

Touchpad button bracket M2x2 Big Head 3

Touchpad board M2x2 (Big Head) 4

Hinge plate M2.5x5 6

Heatsink - UMA

Heatsink - Discrete

M2x3

4

7

System board M2x2 (Big head) 5

Fingerprint board M2x2 (Big Head) 2

Power button board M2x2 (Big Head) 2

Display Hinges M2.5x2.5 (Big Head) 6

Base cover

Removing the base cover

Prerequisites

1. Follow the procedure in Before working inside your computer.

About this task

The figure indicates the location of the base cover and provides a visual representation of the removal procedure.

Removing and installing components

9

10 Removing and installing components

Steps

1. Loosen the four (M2x8) captive screws and remove the five (M2x5) screws that secure the base cover to the computer.

2. Pry the base cover starting from the right hinge and work your way around.

3. Lift the base cover away from the computer.

Installing the base cover

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The figure indicates the location of the base cover and provides a visual representation of the installation procedure.

Removing and installing components

11

12 Removing and installing components

Steps

1. Place the base cover on the palmrest and keyboard assembly, and snap the base cover into place.

2. Replace the five (M2x5) and tighten the four (M2x8) captive screws to secure the base cover to the computer.

Next steps

1. Follow the procedure in After working inside your computer.

Battery

Lithium-ion battery precautions

CAUTION:

• Exercise caution when handling Lithium-ion batteries.

• Discharge the battery as much as possible before removing it from the system. This can be done by disconnecting

the AC adapter from the system to allow the battery to drain.

• Do not crush, drop, mutilate, or penetrate the battery with foreign objects.

• Do not expose the battery to high temperatures, or disassemble battery packs and cells.

• Do not apply pressure to the surface of the battery.

• Do not bend the battery.

• Do not use tools of any kind to pry on or against the battery.

Removing and installing components 13

• Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or

damage to the battery and other system components.

• If a battery gets stuck in a device as a result of swelling, do not try to free it as puncturing, bending, or crushing a

Lithium-ion battery can be dangerous. In such an instance, contact for assistance and further instructions.

• If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending,

or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for

assistance. See www.dell.com/contactdell.

• Always purchase genuine batteries from www.dell.com or authorized Dell partners and resellers.

Removing the battery

Prerequisites

1. Follow the procedure in Before working inside your computer.

2. Remove the base cover.

About this task

The figure indicates the location of the battery and provides a visual representation of the removal procedure.

Steps

1. Disconnect the battery cable from the system board.

2. Remove the three (M2x3) screws that secure the battery to the palmrest.

3. Lift the battery away from the computer.

14

Removing and installing components

Installing the battery

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The figure indicates the location of the battery and provides a visual representation of the installation procedure.

Steps

1. Place the battery on the palmrest and align the screw holes on the battery with the screw holes on the palmrest.

2. Replace the three (M2x3) screws to secure the battery to the palmrest.

3. Connect the battery cable to the connector on the system board.

Next steps

1. Install the base cover.

2. Follow the procedure in After working inside your computer.

Memory modules

Removing the secondary memory module

Prerequisites

NOTE:

Primary memory module is integrated into the system board.

Removing and installing components 15

1. Follow the procedure in Before working inside your computer.

2. Remove the base cover.

3. Remove the battery.

About this task

The figure indicates the location of the memory module and provides a visual representation of the removal procedure.

Steps

1. Peel the adhesive tape, above the memory module, to a 90-degree angle.

2. Using your finger tips gently pry the retention clips away from the memory module until the memory module pops up.

3. Slide and remove the memory module from the memory module slot on the system board.

Installing the secondary memory module

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The figure indicates the location of the memory module and provides a visual representation of the installation procedure.

16

Removing and installing components

Steps

1. Align the notch on the memory module with the tab on the memory module slot.

2. Slide the memory module firmly into the slot at an angle.

3. Press the memory module down until it clicks into place.

NOTE:

If you do not hear the click, remove the memory module and reinstall it.

4. Affix the adhesive tape above the memory module.

Next steps

1. Install the battery.

2. Install the base cover.

3. Follow the procedure in After working inside your computer.

Hard drive

Removing the hard drive

Prerequisites

1. Follow the procedure in Before working inside your computer.

2. Remove the base cover.

3. Remove the battery.

About this task

The figure indicates the location of the 2.5 in. hard-drive module and provides a visual representation of the removal procedure.

Removing and installing components

17

Steps

1. Release the latch and disconnect the hard-drive cable from the connector on the system board.

2. Remove the four (M2x3) screws that secure the hard-drive module to the palmrest assembly.

3. Slide the hard-drive module out from the computer.

Installing the hard drive

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The figure indicates the location of the 2.5 in. hard-drive module and provides a visual representation of the installation procedure.

18

Removing and installing components

Steps

1. Place the hard-drive module on the system and align the screw holes on the hard drive module with the screw holes on the palmrest

assembly.

2. Replace the four (M2x3) screws to secure the hard-drive module to the palmrest assembly.

3. Connect the hard-drive cable to the connector on the system board and close the latch to secure the cable.

Next steps

1. Install the battery.

2. Install the base cover.

3. Follow the procedure in After working inside your computer.

Solid state drive

Removing the M.2 2230 solid-state drive

Prerequisites

1. Follow the procedure in Before working inside your computer.

2. Remove the base cover.

3. Remove the battery.

About this task

The figure indicates the location of the M.2 2230 solid-state drive and provides a visual representation of the removal procedure.

Removing and installing components

19

Steps

1. Remove the single (M2x3) screw that secures the solid-state module to the palmrest assembly.

2. Slide the solid-state module out from the M.2 slot.

Removing the M.2 2242 solid-state drive

Prerequisites

1. Follow the procedure in Before working inside your computer.

2. Remove the base cover.

3. Remove the battery.

About this task

The figure indicates the location of the M.2 2242 solid-state drive and provides a visual representation of the removal procedure.

20

Removing and installing components

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Dell Vostro 5490 Owner's manual

Dell Vostro 5490 Owner's manual

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