Dell Inspiron 7380 Service manual
Inspiron 7380
Service Manual
Computer Model: Inspiron 7380
Regulatory Model: P83G
Regulatory Type: P83G002
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 - 09
Rev. A00
Contents
1 Before working inside your computer............................................................................................................. 7
Before you begin ................................................................................................................................................................7
Safety instructions............................................................................................................................................................. 7
Recommended tools.......................................................................................................................................................... 7
Screw list.............................................................................................................................................................................8
2 After working inside your computer............................................................................................................... 9
3 Removing the base cover............................................................................................................................. 10
Procedure.......................................................................................................................................................................... 10
4 Replacing the base cover............................................................................................................................. 12
Procedure.......................................................................................................................................................................... 12
5 Removing the battery...................................................................................................................................14
Prerequisites......................................................................................................................................................................14
Procedure.......................................................................................................................................................................... 14
6 Replacing the battery...................................................................................................................................15
Procedure.......................................................................................................................................................................... 15
Post-requisites.................................................................................................................................................................. 16
7 Removing the coin-cell battery.....................................................................................................................17
Prerequisites...................................................................................................................................................................... 17
Procedure...........................................................................................................................................................................17
8 Replacing the coin-cell battery.....................................................................................................................18
Procedure.......................................................................................................................................................................... 18
Post-requisites.................................................................................................................................................................. 18
9 Removing the heat sink................................................................................................................................19
Prerequisites......................................................................................................................................................................19
Procedure.......................................................................................................................................................................... 19
10 Replacing the heat sink.............................................................................................................................. 20
Procedure..........................................................................................................................................................................20
Post-requisites..................................................................................................................................................................20
11 Removing the fan........................................................................................................................................ 21
Prerequisites......................................................................................................................................................................21
Procedure.......................................................................................................................................................................... 21
12 Replacing the fan....................................................................................................................................... 22
Procedure..........................................................................................................................................................................22
Contents
3
Post-requisites..................................................................................................................................................................22
13 Removing the speakers.............................................................................................................................. 23
Prerequisites..................................................................................................................................................................... 23
Procedure..........................................................................................................................................................................23
14 Replacing the speakers...............................................................................................................................24
Procedure..........................................................................................................................................................................24
Post-requisites..................................................................................................................................................................24
15 Removing the power-adapter port..............................................................................................................25
Prerequisites..................................................................................................................................................................... 25
Procedure..........................................................................................................................................................................25
16 Replacing the power-adapter port..............................................................................................................26
Procedure..........................................................................................................................................................................26
Post-requisites..................................................................................................................................................................26
17 Removing the wireless card........................................................................................................................ 27
Prerequisites..................................................................................................................................................................... 27
Procedure..........................................................................................................................................................................27
18 Replacing the wireless card........................................................................................................................ 29
Procedure..........................................................................................................................................................................29
Post-requisites..................................................................................................................................................................29
19 Removing the display assembly..................................................................................................................30
Prerequisites..................................................................................................................................................................... 30
Procedure..........................................................................................................................................................................30
20 Replacing the display assembly..................................................................................................................32
Procedure..........................................................................................................................................................................32
Post-requisites..................................................................................................................................................................33
21 Removing the I/O board............................................................................................................................. 34
Prerequisites..................................................................................................................................................................... 34
Procedure..........................................................................................................................................................................34
22 Replacing the I/O board.............................................................................................................................36
Procedure..........................................................................................................................................................................36
Post-requisites..................................................................................................................................................................37
23 Removing the solid-state drive...................................................................................................................38
Prerequisites..................................................................................................................................................................... 38
Procedure..........................................................................................................................................................................38
24 Replacing the solid-state drive...................................................................................................................39
Procedure..........................................................................................................................................................................39
Contents
4
Post-requisites..................................................................................................................................................................39
25 Removing the system board.......................................................................................................................40
Prerequisites..................................................................................................................................................................... 40
Procedure..........................................................................................................................................................................40
26 Replacing the system board.......................................................................................................................43
Procedure..........................................................................................................................................................................43
Post-requisites..................................................................................................................................................................45
27 Removing the status-light board................................................................................................................ 46
Prerequisites..................................................................................................................................................................... 46
Procedure..........................................................................................................................................................................46
28 Replacing the status-light board................................................................................................................ 47
Procedure..........................................................................................................................................................................47
Post-requisites..................................................................................................................................................................47
29 Removing the touchpad.............................................................................................................................48
Prerequisites..................................................................................................................................................................... 48
Procedure..........................................................................................................................................................................48
30 Replacing the touchpad.............................................................................................................................50
Procedure......................................................................................................................................................................... 50
Post-requisites.................................................................................................................................................................. 51
31 Removing the power button with ngerprint reader................................................................................... 52
Prerequisites..................................................................................................................................................................... 52
Procedure..........................................................................................................................................................................52
32 Replacing the power button with ngerprint reader...................................................................................54
Procedure..........................................................................................................................................................................54
Post-requisites................................................................................................................................................................. 55
33 Removing the keyboard............................................................................................................................. 56
Prerequisites.....................................................................................................................................................................56
Procedure......................................................................................................................................................................... 56
34 Replacing the keyboard............................................................................................................................. 58
Procedure......................................................................................................................................................................... 58
Post-requisites................................................................................................................................................................. 59
35 Removing the palm-rest assembly.............................................................................................................60
Prerequisites.....................................................................................................................................................................60
Procedure......................................................................................................................................................................... 60
36 Replacing the palm-rest assembly..............................................................................................................61
Procedure.......................................................................................................................................................................... 61
Contents
5
Post-requisites.................................................................................................................................................................. 61
37 Downloading drivers...................................................................................................................................62
Downloading the audio driver.........................................................................................................................................62
Downloading the graphics driver................................................................................................................................... 62
Downloading the USB 3.0 driver....................................................................................................................................62
Downloading the Wi-Fi driver.........................................................................................................................................63
Downloading the media-card reader driver.................................................................................................................. 63
Downloading the chipset driver..................................................................................................................................... 63
Downloading the network driver....................................................................................................................................63
38 System setup.............................................................................................................................................65
Boot Sequence.................................................................................................................................................................65
Navigation keys................................................................................................................................................................65
BIOS overview..................................................................................................................................................................65
Entering BIOS setup program........................................................................................................................................ 66
System setup options......................................................................................................................................................66
System and setup password........................................................................................................................................... 71
Assigning a system setup password.........................................................................................................................71
Deleting or changing an existing system setup password.....................................................................................72
Clearing CMOS settings............................................................................................................................................72
Clearing BIOS (System Setup) and System passwords........................................................................................72
39 Troubleshooting......................................................................................................................................... 73
Flashing the BIOS.............................................................................................................................................................73
Enhanced Pre-Boot System Assessment (ePSA) diagnostics...................................................................................73
Running the ePSA Diagnostics.................................................................................................................................73
Diagnostics........................................................................................................................................................................74
Flea power release........................................................................................................................................................... 75
Wi-Fi power cycle............................................................................................................................................................ 75
40 Getting help and contacting Dell................................................................................................................76
Self-help resources.......................................................................................................................................................... 76
Contacting Dell.................................................................................................................................................................76
6
Contents
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.
Safety instructions
Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety.
1
WARNING
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.
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.
: Before working inside your computer, read the safety information that shipped with your computer. For more safety
Recommended tools
The procedures in this document may require the following tools:
• Philips screwdriver
• Torx #8 (T8) screwdriver
• Plastic scribe
Before working inside your computer 7
Screw list
NOTE: Screw color may vary with the conguration ordered.
Table 1. Screw list
Component Secured to Screw type Quantity Screw image
Bottom cover Palm-rest assembly M2.5x5 9
Battery Palm-rest assembly M2x3 4
Fan Keyboard bracket M2x3 2
Wireless card Keyboard bracket M2x3 1
Power-adapter port Palm-rest assembly M2x3 1
Display assembly Palm-rest assembly M2.5x5 6
I/O Board Keyboard bracket M2x2 2
Power button with
ngerprint reader
(if installed)
Solid-state drive Keyboard bracket M2x3 1
Type-C port bracket
Touchpad Palm-rest assembly M2x2.5 4
Touchpad bracket Palm-rest assembly M2x2.5 3
System board Keyboard bracket M2x2 2
Keyboard bracket Keyboard Palm-rest assembly M1.4x2 27
Keyboard Palm-rest assembly M1.2x1.5 6
Palm-rest assembly M2x2.5 2
System board
M2x3
Palm-rest assembly 1
1
8 Before working inside your computer
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.
2
After working inside your computer 9
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 www.dell.com/
regulatory_compliance.
Procedure
1 Loosen the captive screw that secures the base cover to the palm-rest assembly.
2 Remove the nine screws (M2.5x5) that secure the base cover to the palm-rest assembly.
3
3 Using a plastic scribe, pry the base cover o the palm-rest assembly.
4 Lift the base cover o the palm-rest assembly.
10 Removing the base cover
5 Using the pull tab, disconnect the battery cable from the system board.
6 Turn the computer over, open the display, then press and hold the power button for 15 seconds to ground the system board.
Removing the base cover 11
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 www.dell.com/
regulatory_compliance.
Procedure
1 Ensure that the battery cable is connected to the system board.
4
2 Align the tabs on the base cover with the slots on the palm-rest assembly and snap the base cover into place.
12 Replacing the base cover
3 Replace the nine screws (M2.5x5) that secure the base cover to the palm-rest assembly.
4 Tighten the captive screw that secures the base cover to the palm-rest assembly.
Replacing the base cover 13
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 www.dell.com/
regulatory_compliance.
Prerequisites
Remove the base cover.
Procedure
1 Remove the speaker cable from the routing guides on the battery.
2 Remove the four screws (M2x3) that secure the battery to the palm-rest assembly.
3 Lift the battery o the palm-rest assembly.
5
14 Removing the battery
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 www.dell.com/
regulatory_compliance.
Procedure
1 Align the screw holes on the battery with the screw holes on the palm-rest assembly.
2 Replace the four screws (M2x3) that secure the battery to the palm-rest assembly.
3 Route the speaker cable through the routing guides on the battery.
6
4 Reconnect the battery cable to the system board..
Replacing the battery 15
Post-requisites
Replace the base cover.
16
Replacing the battery
Removing the coin-cell 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 www.dell.com/
regulatory_compliance.
CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note
the BIOS setup program’s settings before removing the coin-cell battery.
Prerequisites
Remove the base cover.
Procedure
1 Disconnect the coin-cell battery cable from the I/O board.
2 Peel the coin-cell battery o the keyboard bracket.
7
Removing the coin-cell battery 17
Replacing the coin-cell 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 www.dell.com/
regulatory_compliance.
Procedure
1 Adhere the coin-cell battery to the keyboard bracket.
2 Connect the coin-cell battery cable to the I/O board.
8
Post-requisites
Replace the base cover.
18 Replacing the coin-cell battery
Removing the heat sink
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 www.dell.com/
regulatory_compliance.
WARNING: The heat sink may become hot during normal operation. Allow sucient time for the heat sink to cool before you
touch it.
CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can
reduce the heat transfer capability of the thermal grease.
Prerequisites
Remove the base cover.
Procedure
1 In sequential order (indicated on the heat-sink), loosen the four captive screws that secure the heat sink to the system board.
2 Lift the heat sink o the system board.
9
Removing the heat sink 19
Replacing the heat sink
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 www.dell.com/
regulatory_compliance.
CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.
NOTE: If either the system board or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal
conductivity is achieved.
Procedure
1 Align the screw holes on the heat sink with the screw holes on the system board.
2 In sequential order (indicated on the heat-sink), tighten the four captive screws that secure the heat sink to the system board.
10
Post-requisites
Replace the base cover.
20 Replacing the heat sink
Removing the fan
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 www.dell.com/
regulatory_compliance.
Prerequisites
1 Remove the base cover.
2 Follow the procedure from step 1 to step 3 in Removing the power button with ngerprint reader. (if installed)
Procedure
1 Disconnect the fan cable from the system board.
2 Remove the I/O-board cable from the routing guides on the fan.
3 Remove the two screws (M2x3) that secure the fan to the keyboard bracket.
4 Lift the fan o the keyboard bracket.
11
Removing the fan 21
Replacing the fan
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 www.dell.com/
regulatory_compliance.
Procedure
1 Align the screw holes on the fan with the screw holes on the keyboard bracket.
2 Replace the two screws (M2x3) securing the fan to the keyboard bracket.
3 Route the I/O-board cables through the routing guides on the fan.
4 Connect the fan cable to the system board.
12
Post-requisites
1 Follow the procedure from step 3 to step 5 in Replacing the power button with ngerprint reader. (if installed)
2 Replace the base cover.
22 Replacing the fan
Removing the speakers
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 www.dell.com/
regulatory_compliance.
Prerequisites
Remove the base cover.
Procedure
1 Disconnect the speaker cable from the system board.
2 Lift the left speaker o the palm-rest assembly.
3 Remove the speaker cable from the routing guides on the battery.
4 Peel o the tape that secures the speaker cable to the palm-rest assembly.
5 Lift the right speaker o the palm-rest assembly.
13
Removing the speakers 23
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