Dell Inspiron 14 Gaming 7466 User Manual
Inspiron 14 Gaming
Service Manual
Computer Model: Inspiron 14-7466
Regulatory Model: P78G
Regulatory Type: P78G001
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.
Copyright © 2016 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.
2016 - 11
Rev. A01
Contents
Before working inside your computer...........................10
Before you begin ....................................................................................10
Safety instructions..................................................................................10
Recommended tools................................................................................ 11
Screw list................................................................................................ 12
After working inside your computer............................. 14
Removing the base cover.............................................15
Procedure............................................................................................... 15
Replacing the base cover............................................. 17
Procedure................................................................................................17
Removing the battery.................................................. 18
Prerequisites........................................................................................... 18
Procedure............................................................................................... 18
Replacing the battery..................................................20
Procedure...............................................................................................20
Post-requisites....................................................................................... 20
Removing the memory modules................................... 21
Prerequisites........................................................................................... 21
Procedure............................................................................................... 21
3
Replacing the memory modules...................................23
Procedure...............................................................................................23
Post-requisites........................................................................................24
Removing the hard drive............................................. 25
Prerequisites...........................................................................................25
Procedure...............................................................................................25
Replacing the hard drive..............................................28
Procedure...............................................................................................28
Post-requisites....................................................................................... 28
Removing the solid-state drive....................................29
Prerequisites...........................................................................................29
Procedure...............................................................................................29
Replacing the solid-state drive.....................................31
Procedure............................................................................................... 31
Post-requisites....................................................................................... 32
Removing the wireless card.........................................33
Prerequisites...........................................................................................33
Procedure...............................................................................................33
Replacing the wireless card.........................................35
Procedure...............................................................................................35
Post-requisites....................................................................................... 36
Removing the coin-cell battery....................................37
Prerequisites...........................................................................................37
Procedure...............................................................................................37
4
Replacing the coin-cell battery....................................39
Procedure...............................................................................................39
Post-requisites....................................................................................... 39
Removing the rear cover............................................. 40
Prerequisites...........................................................................................40
Procedure...............................................................................................40
Replacing the rear cover............................................. 42
Procedure...............................................................................................42
Post-requisites....................................................................................... 42
Removing the palm rest and keyboard assembly......... 43
Prerequisites...........................................................................................43
Procedure...............................................................................................43
Replacing the palm rest and keyboard assembly..........49
Procedure...............................................................................................49
Post-requisites....................................................................................... 49
Removing the I/O board..............................................50
Prerequisites.......................................................................................... 50
Procedure.............................................................................................. 50
Replacing the I/O board.............................................. 52
Procedure...............................................................................................52
Post-requisites....................................................................................... 52
Removing the fans...................................................... 53
Prerequisites...........................................................................................53
Procedure...............................................................................................53
5
Replacing the fans...................................................... 56
Procedure.............................................................................................. 56
Post-requisites....................................................................................... 56
Removing the power-adapter port...............................57
Prerequisites...........................................................................................57
Procedure.............................................................................................. 58
Replacing the power-adapter port...............................60
Procedure.............................................................................................. 60
Post-requisites....................................................................................... 60
Removing the status-light board..................................61
Prerequisites........................................................................................... 61
Procedure............................................................................................... 61
Replacing the status-light board................................. 63
Procedure...............................................................................................63
Post-requisites....................................................................................... 63
Removing the speakers............................................... 64
Prerequisites...........................................................................................64
Procedure...............................................................................................64
Replacing the speakers............................................... 66
Procedure.............................................................................................. 66
Post-requisites....................................................................................... 66
Removing the power-button board.............................. 67
Prerequisites...........................................................................................67
Procedure...............................................................................................67
6
Replacing the power-button board..............................69
Procedure.............................................................................................. 69
Post-requisites....................................................................................... 69
Removing the touch pad..............................................70
Prerequisites...........................................................................................70
Procedure...............................................................................................70
Replacing the touch pad..............................................72
Procedure...............................................................................................72
Post-requisites........................................................................................72
Removing the system board........................................ 73
Prerequisites...........................................................................................73
Procedure...............................................................................................73
Replacing the system board.........................................77
Procedure...............................................................................................77
Post-requisites........................................................................................78
Entering the Service Tag in the BIOS setup program..............................78
Removing the heat sink............................................... 79
Prerequisites...........................................................................................79
Procedure...............................................................................................79
Replacing the heat sink................................................81
Procedure............................................................................................... 81
Post-requisites........................................................................................ 81
Removing the display assembly...................................82
Prerequisites...........................................................................................82
Procedure...............................................................................................82
7
Replacing the display assembly................................... 86
Procedure...............................................................................................86
Post-requisites....................................................................................... 86
Removing the display bezel..........................................87
Prerequisites...........................................................................................87
Procedure...............................................................................................87
Replacing the display bezel......................................... 89
Procedure...............................................................................................89
Post-requisites....................................................................................... 89
Removing the display hinges....................................... 90
Prerequisites.......................................................................................... 90
Procedure.............................................................................................. 90
Replacing the display hinges....................................... 92
Procedure...............................................................................................92
Post-requisites....................................................................................... 92
Removing the display panel.........................................93
Prerequisites...........................................................................................93
Procedure...............................................................................................93
Replacing the display panel......................................... 96
Procedure.............................................................................................. 96
Post-requisites....................................................................................... 96
Removing the display cable......................................... 97
Prerequisites...........................................................................................97
Procedure...............................................................................................97
8
Replacing the display cable......................................... 99
Procedure.............................................................................................. 99
Post-requisites....................................................................................... 99
Removing the camera................................................100
Prerequisites.........................................................................................100
Procedure.............................................................................................100
Replacing the camera................................................ 102
Procedure.............................................................................................102
Post-requisites......................................................................................102
Removing the display back-cover and antenna
assembly....................................................................103
Prerequisites......................................................................................... 103
Procedure.............................................................................................104
Replacing the display back-cover and antenna
assembly
Procedure.............................................................................................106
Post-requisites......................................................................................106
....................................................................106
Flashing the BIOS...................................................... 107
Diagnostics................................................................ 108
Getting help and contacting Dell.................................110
Self-help resources................................................................................110
Contacting Dell.......................................................................................111
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 Close the display and turn the computer over.
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.
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.
10
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
• Torx #8 (T8) screwdriver
• Plastic scribe
11
Screw list
Table 1. Screw list
Component Secured to Screw type Quantity Screw
Battery Computer base M2x4 T8 4
Hard drive Computer base M2.5x3
Ladder type
Hard-drive bracket Hard drive M3x3 4
Solid-state drive Computer base M2x3 1
Wireless-card bracket Computer base M2x3 1
Rear cover Computer base M2x3 Big
head
Palm rest and
keyboard assembly
Palm rest and
keyboard assembly
Computer base M2.5x5 16
Computer base M2.5x8 2
4
4
image
I/O board Computer base M2x3 1
Fan Computer base M2x3 6
Power-adapter port
bracket
Status-light board Computer base M2x3 2
12
Computer base M2x3 4
Component Secured to Screw type Quantity Screw
Speaker Computer base M2x3 Big
head
6
image
Power-button board Palm rest and
keyboard assembly
Touch pad Palm rest and
keyboard assembly
Display-cable bracket System board M2x3 1
System board Computer base M2x3 2
Heat sink System board M2x3 6
Display assembly Computer base M2x3 2
Display assembly Computer base M2.5x5 2
Display assembly Computer base M2.5x5 2
Display hinge Display back-cover M2.5x2.5 8
Display panel Display back-over M2x3 4
M2x2.5 2
M2x2 4
13
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.
14
Removing the base 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
1 Loosen the captive screw that secures the base cover to the computer base.
2 Using your ngertips, pry and lift the base cover o the computer base.
www.dell.com/
15
3 Disconnect the battery cable from the system board.
16
Replacing the base 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
1 Connect the battery cable to the system board.
2 Slide the tabs on the base cover into the slots on the computer base and snap
the base cover into place.
3 Tighten the captive screw that secures the base cover to the computer base.
www.dell.com/
17
Removing the battery
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
Remove the base cover.
Procedure
1 Remove the battery cable from the routing guide on the computer base.
2 Remove the four screws (M2x4 T8) that secure the battery to the computer
base.
www.dell.com/
18
3 Lift the battery o the computer base.
4 Turn the computer over, open the display, and press and hold the power button
for ve seconds to ground the system board.
19
Replacing the battery
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
1 Align the screw holes on the battery with the screw holes on the computer
base.
2 Replace the four screws (M2x4 T8) that secure the battery to the computer
base.
3 Route the battery cable through the routing guide on the computer base.
Post-requisites
Replace the base cover.
www.dell.com/
20
Removing the memory modules
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
Remove the base cover.
Procedure
1 Use your ngertips to carefully spread apart the securing-clips on each end of
the memory-module slot until the memory module pops up.
www.dell.com/
21
2 Remove the memory module from the memory-module slot.
22
Replacing the memory modules
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
1 Align the notch on the memory module with the tab on the memory-module slot
and slide the memory module rmly into the slot at an angle.
www.dell.com/
23
2 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.
Post-requisites
Replace the base cover.
24
Removing the hard drive
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.
CAUTION: Hard drives are fragile. Exercise care when handling the hard
drive.
CAUTION: To avoid data loss, do not remove the hard drive while the
computer is in sleep or on state.
Prerequisites
Remove the base cover.
Procedure
CAUTION: The latch on the hard-drive locking connector is fragile. Pulling
the latch forcefully may damage the hard-drive locking connector. Exercise
care when handling the latch on the hard-drive locking connector.
1 Using a plastic scribe, lift the latch and use the pull tab to disconnect the hard-
drive cable from the system board.
2 Remove the four screws (M2.5x3 Ladder type) that secure the hard-drive
assembly to the computer base.
www.dell.com/
25
3 Lift the hard-drive assembly, along with its cable, o the computer base.
4 Disconnect the interposer from the hard-drive assembly.
5 Remove the four screws (M3x3) that secure the hard-drive bracket to the hard
drive.
26
6 Remove the hard-drive bracket o the hard drive.
27
Replacing the hard drive
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.
CAUTION: Hard drives are fragile. Exercise care when handling the hard
drive.
Procedure
1 Align the screw holes on the hard drive-bracket with the screw holes on the
hard drive.
2 Replace the four screws (M3x3) that secure the hard-drive bracket to the hard
drive.
3 Connect the interposer to the hard drive.
4 Align the screw holes on the hard-drive assembly with the screw holes on the
computer base.
5 Replace the four screws (M2.5x3 Ladder type) that secure the hard-drive
assembly to the computer base.
6 Connect the hard-drive cable to the system board.
www.dell.com/
Post-requisites
Replace the base cover.
28
Removing the solid-state drive
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.
CAUTION: Solid-state drives are fragile. Exercise care when handling the
solid-state drive.
CAUTION: To avoid data loss, do not remove the solid-state drive while the
computer is in sleep or on state.
Prerequisites
Remove the base cover.
Procedure
1 Remove the screw (M2x3) that secures the solid-state drive to the computer
base.
www.dell.com/
29
2 Slide and remove the solid-state drive from the solid-state drive slot.
30
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