Dell Inspiron 3480 User Manual
Inspiron 24-3480
Service Manual
Regulatory Model: W21C
Regulatory Type: W21C003
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.
© 2018 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.
2018 - 12
Rev. A00
Contents
Before working inside your computer...........................10
Before you begin ....................................................................................10
Safety instructions..................................................................................10
Recommended tools................................................................................ 11
Screw list................................................................................................ 12
System-board components..................................................................... 14
After working inside your computer............................. 16
Removing the stand..................................................... 17
Easel Stand............................................................................................. 17
Pedestal stand........................................................................................ 18
Replacing the stand..................................................... 21
Easel stand..............................................................................................21
Pedestal stand........................................................................................22
Removing the back cover............................................25
Prerequisite............................................................................................ 25
Procedure...............................................................................................26
Replacing the back cover............................................ 27
Procedure...............................................................................................27
Post-requisite......................................................................................... 28
Removing the rubber feet........................................... 29
Prerequisites...........................................................................................29
Procedure...............................................................................................29
3
Replacing the rubber feet............................................ 31
Procedure............................................................................................... 31
Post-requisites........................................................................................ 31
Removing the hard drive............................................. 33
Prerequisites...........................................................................................33
Procedure...............................................................................................33
Replacing the hard drive..............................................35
Procedure...............................................................................................35
Post-requisites....................................................................................... 36
Removing the system-board shield..............................37
Prerequisites........................................................................................... 37
Procedure...............................................................................................37
Replacing the system-board shield..............................39
Procedure...............................................................................................39
Post-requisites....................................................................................... 40
Removing the memory module.....................................41
Prerequisites........................................................................................... 41
Procedure............................................................................................... 41
Replacing the memory module.................................... 43
Procedure...............................................................................................43
Post-requisites....................................................................................... 43
Removing the wireless card.........................................44
Prerequisites...........................................................................................44
Procedure...............................................................................................44
4
Replacing the wireless card......................................... 47
Procedure...............................................................................................47
Post-requisites....................................................................................... 48
Removing the antennas...............................................49
Prerequisites...........................................................................................49
Procedure...............................................................................................49
Replacing the antennas................................................51
Procedure............................................................................................... 51
Post-requisites....................................................................................... 52
Removing the solid-state drive/Intel Optane
memory module.......................................................... 53
Prerequisites...........................................................................................53
Procedure.........................................................................................54
Replacing the solid-state drive/Intel Optane
memory module
Procedure.............................................................................................. 56
Post-requisites........................................................................................57
.......................................................... 55
Removing the media-card reader................................ 58
Prerequisites.......................................................................................... 58
Procedure.............................................................................................. 58
Replacing the media-card reader.................................60
Procedure.............................................................................................. 60
Post-requisites........................................................................................ 61
5
Removing the power-button board..............................62
Prerequisites...........................................................................................62
Procedure...............................................................................................62
Replacing the power-button board..............................64
Procedure...............................................................................................64
Post-requisites....................................................................................... 65
Removing the microphone...........................................66
Prerequisites.......................................................................................... 66
Procedure.............................................................................................. 66
Replacing the microphone...........................................68
Procedure...............................................................................................68
Post-requisites....................................................................................... 69
Removing the camera..................................................70
Prerequisites...........................................................................................70
Procedure...............................................................................................70
Replacing the camera..................................................73
Procedure...............................................................................................73
Post-requisites....................................................................................... 75
Removing the coin-cell battery....................................76
Prerequisites...........................................................................................76
Procedure...............................................................................................77
Replacing the coin-cell battery....................................78
Procedure...............................................................................................78
Post-requisites........................................................................................78
6
Removing the fan........................................................ 79
Prerequisites...........................................................................................79
Procedure...............................................................................................79
Replacing the fan.........................................................81
Procedure............................................................................................... 81
Post-requisites....................................................................................... 82
Removing the heat sink...............................................83
Prerequisites...........................................................................................83
Procedure...............................................................................................83
Replacing the heat sink............................................... 85
Procedure.............................................................................................. 85
Post-requisites....................................................................................... 86
Removing the speakers............................................... 87
Prerequisites........................................................................................... 87
Procedure...............................................................................................87
Replacing the speakers............................................... 89
Procedure...............................................................................................89
Post-requisites....................................................................................... 90
Removing the system board.........................................91
Prerequisites........................................................................................... 91
Procedure............................................................................................... 91
Replacing the system board........................................ 94
Procedure...............................................................................................94
Post-requisites....................................................................................... 96
Flashing the BIOS...................................................................................96
7
Removing the display panel.........................................98
Prerequisites...........................................................................................98
Procedure...............................................................................................98
Replacing the display panel........................................102
Procedure.............................................................................................102
Post-requisites......................................................................................106
Removing the middle frame....................................... 107
Prerequisites......................................................................................... 107
Procedure............................................................................................. 107
Replacing the middle frame.........................................111
Procedure...............................................................................................111
Post-requisites.......................................................................................112
Downloading drivers................................................... 114
Operating system.................................................................................. 114
Downloading the audio driver................................................................ 114
Downloading the graphics driver............................................................115
Downloading the USB driver..................................................................116
Downloading the WiFi driver.................................................................. 117
Downloading the media-card reader driver............................................ 117
Downloading the chipset driver............................................................. 118
Downloading the network driver............................................................119
Device drivers.......................................................................................120
Intel Chipset Software Installation Utility.........................................120
Video drivers...................................................................................120
Intel Serial IO driver.........................................................................120
Intel Serial IO driver..........................................................................121
Intel Trusted Execution Engine Interface..........................................121
8
Intel Virtual Button driver.................................................................121
Wireless and Bluetooth drivers.........................................................121
System setup.............................................................122
BIOS overview......................................................................................122
Entering BIOS setup program............................................................... 122
Navigation keys.....................................................................................123
Boot Sequence..................................................................................... 123
System Setup Options.......................................................................... 124
System and setup password................................................................. 129
Assigning a system setup password................................................130
Deleting or changing an existing system setup password................130
Clearing CMOS settings.................................................................. 131
Clearing BIOS (System Setup) and System passwords...................132
Troubleshooting......................................................... 133
Flashing the BIOS................................................................................. 133
Reinstall Windows using a USB recovery drive......................................133
Enhanced Pre-Boot System Assessment (ePSA) diagnostics...............134
Running the ePSA diagnostics........................................................135
Display built-in self test.........................................................................135
Diagnostics........................................................................................... 135
Enabling Intel Optane memory..............................................................136
Disabling Intel Optane memory..............................................................137
Flea power release................................................................................138
WiFi power cycle...................................................................................138
Getting help and contacting Dell................................139
Self-help resources............................................................................... 139
Contacting Dell..................................................................................... 140
9
Before working inside your computer
NOTE: The images in this document may dier from your computer
depending on the conguration you ordered.
Before you begin
1 Save and close all open les and exit all open applications.
2 Shut down your computer. Click Start → Power → Shut down.
NOTE: If you are using a dierent 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 attached network devices and peripherals, such as keyboard,
mouse, and monitor from your computer.
5 Remove any media card and optical disc from your computer, if applicable.
6 After the computer is unplugged, press and hold the power button for 5 seconds
to ground the system board.
CAUTION: Place the computer on a at, soft, and clean surface to
avoid scratches on the display.
7 Place the computer face down.
Safety instructions
Use the following safety guidelines to protect your computer from potential damage
and ensure your personal safety.
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 www.dell.com/
regulatory_compliance.
10
WARNING: Disconnect all power sources before opening the computer
cover or panels. After you nish working inside the computer, replace all
covers, panels, and screws before connecting to the electrical outlet.
CAUTION: To avoid damaging the computer, ensure that the work surface is
at and clean.
CAUTION: To avoid damaging the components and cards, handle them by
their edges, and avoid touching pins and contacts.
CAUTION: You should only perform troubleshooting and repairs as
authorized or directed by the Dell technical assistance team. Damage due
to servicing that is not authorized by Dell is not covered by your warranty.
See the safety instructions that shipped with the product or at
www.dell.com/regulatory_compliance.
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, ensure that the ports and
connectors are correctly oriented and aligned.
CAUTION: Press and eject any installed card from the media-card reader.
Recommended tools
The procedures in this document may require the following tools:
• Philips screwdriver #1
• Flat-head screwdriver
• Plastic scribe
11
Screw list
NOTE: When removing screws from a component, it is recommended to
note the screw type, the quantity of screws, and then place them in a screw
storage box. This is to ensure that the correct number of screws and
correct screw type is restored when the component is replaced.
NOTE: Some computers have magnetic surfaces. Ensure that the screws
are not left attached to such surface when replacing a component.
NOTE: Screw color may vary with the conguration ordered.
Table 1. Screw list
Component Secured to Screw
Stand System-board
shield
Hard-drive
bracket
Hard-drive
bracket
System-board
shield
Media-card
reader cover
Media-card
reader
Power-button
board
Displayassembly base
Hard drive M3x3.5 4
Displayassembly base
Displayassembly base
Displayassembly base
Displayassembly base
type
M3x5 4
M3x5 1
M3x5 5
M3x5 1
M3x5 1
M3x5 1
Quantity Screw image
12
Component Secured to Screw
type
Quantity Screw image
Microphone Display-
assembly base
Speakers Display-
assembly base
Fan Display-
assembly base
Retractablecamera
assembly
System board Display-
Wireless-card
shield
Wireless card System board M2x2.5 1
Display panel Display-
Displayassembly base
assembly base
System board M2x2.5 2
assembly base
M2x2.5 2
M3 4+7.1 4
M2x2.5 3
M3x5 2
M3x5 6
M3x5 8
Middle frame Display-
assembly base
Rubber feet Display-
assembly base
Solid-state
drive
System board M2x2.5 1
M3x5,
black
M3x5,
black
13
4
13
System-board components
1 display-cable connector 2 memory-module (SO-DIMM) slots
3 camera-cable connector 4 touchscreen cable connector
5 coin-cell battery 6 fan-cable connector
7 microphone-cable connector 8 media-card reader cable
9 speaker-cable connector 10 M.2 PCIe/SATA slot
11 power-button board cable
connector
13 display-backlight cable 14 hard-drive connector
14
(2)
connector
12 M.2 wireless-card slot
15 Password clear jumper 16 CMOS clear jumper
17 Service mode jumper
15
After working inside your computer
CAUTION: Leaving stray or loose screws inside your computer may severely
damage your computer.
1 Replace all screws and ensure that no stray screws remain inside your computer.
2 Connect any external devices, peripherals, or cables you removed before
working on your computer.
3 Replace any media cards, discs, or any other parts 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.
16
Removing the stand
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in Before
working inside your computer. 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
regulatory_compliance.
Easel Stand
1 CAUTION: Place the computer on a at, soft, and clean surface to
avoid scratches on the display.
Place the computer on a clean and at surface.
2 Using your ngertips, pry the stand cover o the back cover.
www.dell.com/
3 Remove the four screws (M3x5) that secure the stand to the system-board
shield.
17
4 Lift and slide the stand from the system-board shield.
Pedestal stand
1 CAUTION: Place the computer on a at, soft, and clean surface to
avoid damaging the display.
Place the computer on a clean and at surface.
2 Extend the stand upward.
18
3 Using your ngertips, pry the stand cover o the back cover.
4 Remove the four screws (M3x5) that secure the stand bracket to the system-
board shield.
19
5 Lift and slide the stand o the system-board shield.
20
Replacing the stand
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in Before
working inside your computer. 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
regulatory_compliance.
Easel stand
1 Insert the tabs on the stand bracket into the slots on the system-board shield
and align the screw holes on the stand with the screw holes on the systemboard shield.
2 Replace the four screws (M3x5) that secure the stand to the system-board
shield.
www.dell.com/
21
3 Replace the stand cover.
Pedestal stand
1 Insert the tabs on the stand bracket into the slots on the system-board shield
and align the screw holes on the stand bracket with the screw holes on the
system-board shield.
22
2 Replace the four screws (M3x5) that secure the stand bracket to the system-
board shield.
23
3 Replace the stand cover.
4 Place the computer in an upright position.
24
Removing the back cover
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in Before
working inside your computer. 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
regulatory_compliance.
Prerequisite
Remove the stand.
www.dell.com/
25
Procedure
CAUTION: Do not remove the computer cover unless you must install or
replace internal components on your computer.
Use one hand to stabilize your computer, and use another hand to pull the back
cover from the center to lift it o the display assembly base.
26
Replacing the back cover
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in Before
working inside your computer. 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
regulatory_compliance.
Procedure
CAUTION: Check and ensure that no cables are caught between the back
cover and the display-assembly base.
Align the tabs on the back cover with the slots on the display-assembly base
and snap the back cover into place.
www.dell.com/
27
Post-requisite
Replace the stand.
28
Removing the rubber feet
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in Before
working inside your computer. 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
regulatory_compliance.
Prerequisites
1 Remove the stand.
2 Remove the back cover.
Procedure
1 Remove the four screws (M3x5 black) that secure the rubber feet to the
display-assembly base.
www.dell.com/
29
2 Lift the rubber feet o the display-assembly base.
30
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