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Dell Latitude 5400 Service Manual
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Dell Latitude 5400 Service Manual

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Dell Latitude 5400
Service Manual
Regulatory Model: P98G
Regulatory Type: P98G001
December 2022
Rev. A06

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Summary of Contents for Dell Latitude 5400

  • Page 1 Dell Latitude 5400 Service Manual Regulatory Model: P98G Regulatory Type: P98G001 December 2022 Rev. A06...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2019-2022 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents Chapter 1: Working on your computer....................7 Safety instructions................................7 Before working inside your computer........................7 Safety precautions................................ 8 Electrostatic discharge—ESD protection....................... 8 ESD field service kit ..............................9 Transporting sensitive components.........................10 After working inside your computer........................10 Chapter 2: Technology and components..................11 USB features..................................11 USB Type-C..................................13 HDMI 1.4a.....................................14...
  • Page 4 Removing the DC-in port............................43 Installing the DC-in port.............................45 Hard disk drive (HDD)..............................47 Removing hard disk drive............................47 Installing hard disk drive.............................48 Solid-state drive................................48 Removing the M.2 2230 solid-state drive......................48 Installing the M.2 2230 solid-state drive ......................48 Removing the M.2 2280 solid-state drive......................49 Installing the M.2 2280 solid-state drive ......................50 Solid state drive bracket..............................
  • Page 5 Removing display panel............................104 Installing display panel ............................. 107 Camera....................................108 Removing camera..............................108 Installing camera................................ 109 Hinge caps..................................110 Removing hinge caps..............................110 Installing hinge caps..............................111 Display hinges..................................112 Removing display hinge............................. 112 Installing display hinge .............................. 113 Display (eDP) cable................................114 Removing display cable.............................
  • Page 6 Chapter 6: Troubleshooting....................... 134 Handling swollen Lithium-ion batteries........................134 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 135 Running the SupportAssist Pre-Boot System Performance Check.............. 135 Built-in self-test (BIST)..............................135 M-BIST..................................135 LCD Power rail test (L-BIST)..........................136 LCD Built-in Self Test (BIST)..........................136 System diagnostic lights..............................

  • Page 7: Chapter 1: Working On Your Computer

    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.

  • Page 8: Safety Precautions

    ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

  • Page 9: Esd Field Service Kit

    Always place parts in your hand, on the ESD mat, in the system, or inside an anti-static bag. ● Transporting Sensitive Components – When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Working on your computer...

  • Page 10: Transporting Sensitive Components

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.

  • Page 11: Chapter 2: Technology And Components

    Technology and components This chapter details the technology and components available in the system. Topics: • USB features • USB Type-C • HDMI 1.4a • Power button LED behavior USB features Universal Serial Bus, or USB, was introduced in 1996. It dramatically simplified the connection between host computers and peripheral devices like mice, keyboards, external drivers, and printers.
  • Page 12 ● An additional physical bus that is added in parallel with the existing USB 2.0 bus (refer to the picture below). ● USB 2.0 previously had four wires (power, ground, and a pair for differential data); USB 3.0/USB 3.1 Gen 1 adds four more for two pairs of differential signals (receive and transmit) for a combined total of eight connections in the connectors and cabling.

  • Page 13: Usb Type-C

    USB Type-C USB Type-C is a new, tiny physical connector. The connector itself can support various exciting new USB standards like USB 3.1 and USB power delivery (USB PD). Alternate Mode USB Type-C is a new connector standard that is very small. It is about a third the size of an old USB Type-A plug. This is a single connector standard that every device should be able to use.

  • Page 14: Hdmi 1.4A

    Thunderbolt 3 over USB Type-C Thunderbolt 3 brings Thunderbolt to USB Type-C at speeds up to 40 Gbps, creating one compact port that does it all - delivering the fastest, most versatile connection to any dock, display or data device like an external hard drive. Thunderbolt 3 uses a USB Type-C connector/port to connect to supported peripherals.

  • Page 15: Power Button Led Behavior

    Power button LED behavior On certain Dell Latitude systems, the power button LED is used to provide an indication of the system status, and as a result the power button illuminates when pressed. The systems with the optional power button/fingerprint reader will have no LED under the power button and hence will apply the available LED's in the system to provide an indication of the system status.
  • Page 16 Power button with fingerprint reader will have no LED and will leverage the available LED's in the system to provide indication of the system status ● Power Adapter LED: ○ The LED on Power adapter connector illuminates white when power is supplied from electrical outlet. ●...

  • Page 17: Chapter 3: Major Components Of Your System

    Major components of your system...
  • Page 18 Major components of your system Major components of your system...
  • Page 19 17. Coin-cell battery NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.

  • Page 20: Chapter 4: Disassembly And Reassembly

    Disassembly and reassembly NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Topics: • MicroSD card • Base cover • Battery • Battery cable • WWAN card • WLAN card • Coin-cell battery •...

  • Page 21: Installing The Microsd Card

    Installing the microSD card Steps 1. Align the microSD card to its slot on the computer [1]. 2. Slide the microSD card into the slot until it clicks into place [2]. Disassembly and reassembly...

  • Page 22: Base Cover

    Next steps Follow the procedures in After working inside your computer. Base cover Removing the base cover Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card. Steps 1. Loosen the eight captive screws that secure the base cover to the computer. Disassembly and reassembly...
  • Page 23 2. Using a plastic scribe [1], pry the base cover from the top-left corner and continue to work on the sides to open the base cover [2]. Disassembly and reassembly...
  • Page 24 3. Lift and remove the base cover away from the computer. Disassembly and reassembly...

  • Page 25: Installing The Base Cover

    Installing the base cover Steps 1. Align and place the base cover on the computer. Disassembly and reassembly...
  • Page 26 2. Press the edges and sides of the base cover until it snaps into place. Disassembly and reassembly...
  • Page 27 3. Tighten the eight captive screws to secure the base cover to the computer. Disassembly and reassembly...

  • Page 28: Battery

    ● 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.

  • Page 29: Removing The Battery

    ● Always purchase genuine batteries from www.dell.com or authorized Dell partners and resellers. ● Swollen batteries should not be used and should be replaced and disposed properly. For guidelines on how to handle and replace swollen Lithium-ion batteries, see Handling swollen Lithium-ion batteries.

  • Page 30: Installing The Battery

    Installing the battery Steps 1. Align the tabs on the battery with the slots on the palm rest assembly [1]. 2. Place the battery in the battery bay. 3. Tighten the single captive screw to secure the battery to the palm rest assembly [2]. Disassembly and reassembly...
  • Page 31 4. Connect the battery cable to the connector on the system board. Disassembly and reassembly...

  • Page 32: Battery Cable

    Next steps 1. Replace the base cover. 2. Replace the microSD card. 3. Follow the procedure in after working inside your computer Battery cable Removing the battery cable Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the base cover.
  • Page 33 Steps 1. Peel the tape securing the battery cable to the battery. 2. Flip the battery and unroute the battery cable from the routing guides on the battery. 3. Disconnect the battery cable from the connector on the battery. 4. Lift the battery cable away from the battery. Disassembly and reassembly...

  • Page 34: Replacing The Battery Cable

    Replacing the battery cable Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the battery cable and provides a visual representation of the installation procedure. Disassembly and reassembly...

  • Page 35: Wwan Card

    Steps 1. Align and place the battery cable on the battery. 2. Route the battery cable through the routing guides on the battery. 3. Connect the battery cable to the connector on the battery. 4. Adhere the tape to secure the battery cable to the battery. Next steps 1.

  • Page 36: Installing The Wwan Card

    Installing the WWAN card About this task CAUTION: To avoid damage to the WWAN card, do not place any cables under it. Steps 1. Insert the WWAN card into the connector on the system board [1]. 2. Connect the WWAN antenna cables to the connectors on the WWAN card [2]. 3.

  • Page 37: Wlan Card

    Next steps 1. Replace the battery. 2. Replace the base cover. 3. Replace the microSD card. 4. Follow the procedure in after working inside your computer. WLAN card Removing the WLAN card Prerequisites 1. Follow the procedure in before working inside your computer.

  • Page 38: Installing The Wlan Card

    Installing the WLAN card About this task CAUTION: To avoid damage to the WLAN card, do not place any cables under it. Steps 1. Insert the WLAN card into the connector on the system board [1]. 2. Connect the WLAN antenna cables to the connectors on the WLAN card [2]. 3.

  • Page 39: Coin-Cell Battery

    Next steps 1. Replace the battery. 2. Replace the base cover. 3. Replace the microSD card. 4. Follow the procedure in after working inside your computer. Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in before working inside your computer.

  • Page 40: Installing The Coin-Cell Battery

    Installing the coin-cell battery Steps 1. Place the coin cell on the system board [1]. 2. Connect the coin cell battery cable to the connector on the system board [2]. Disassembly and reassembly...

  • Page 41: Memory Modules

    Next steps 1. Replace the battery. 2. Replace the base cover. 3. Replace the microSD card. 4. Follow the procedure in after working inside your computer. Memory modules Removing the memory module Prerequisites 1. Follow the procedure in before working inside your computer.

  • Page 42: Installing The Memory Module

    Installing the memory module 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 [1]. 3. Press the memory module down until the clips secure it [2]. NOTE: If you do not hear the click, remove the memory module and reinstall it.

  • Page 43: Dc-In Port

    Next steps 1. Replace the battery. 2. Replace the base cover. 3. Replace the microSD card. 4. Follow the procedure in after working inside your computer. DC-in port Removing the DC-in port Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 44 3. Press the DC-in port cable and then pull the cable horizontally to disconnect the DC-in port cable from the connector on the system board [1]. Lift the DC-in port away from the computer [2]. Disassembly and reassembly...

  • Page 45: Installing The Dc-In Port

    Installing the DC-in port Steps 1. Place the DC-in port to its slot on the computer [1]. 2. Connect the DC-in port cable to the connector on the system board [2]. Disassembly and reassembly...
  • Page 46 3. Place the Type-C bracket on its slot on the computer [1]. 4. Replace the two (M2x5) screws to secure the Type-C bracket to the palmrest [2]. Disassembly and reassembly...

  • Page 47: Hard Disk Drive (Hdd)

    Next steps 1. Replace the battery. 2. Replace the base cover. 3. Replace the microSD card. 4. Follow the procedure in after working inside your computer. Hard disk drive (HDD) Removing hard disk drive Prerequisites 1. Follow the procedure in before working inside your computer.

  • Page 48: Installing Hard Disk Drive

    6. Remove the hard drive bracket. Installing hard disk drive Steps 1. Place the hard drive bracket. 2. Tighten the four M3x3 screws to attach the metal bracket to the hard disk drive. 3. Connect the hard drive cable. 4. Insert the hard disk drive into the slot on the computer [1]. 5.

  • Page 49: Removing The M.2 2280 Solid-State Drive

    Removing the M.2 2280 solid-state drive Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card. 3. Remove the base cover. 4. Remove the battery. Steps 1. Remove the two (M2x3) screws that secure the M.2 2280 solid-state drive support bracket to the palmrest [1]. 2.

  • Page 50: Installing The M.2 2280 Solid-State Drive

    Installing the M.2 2280 solid-state drive Steps 1. Place the M.2 2280 solid-state drive into the slot on the palmrest [1]. 2. Align and place the solid-state drive support bracket above the M.2 2280 solid-state drive [2]. 3. Replace the two (M2x3) screws to secure the solid-state drive support bracket to the palmrest [3]. Next steps 1.

  • Page 51: Solid State Drive Bracket

    3. Replace the microSD card. 4. Follow the procedure in after working inside your computer. Solid state drive bracket Removing the solid state drive bracket Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card.

  • Page 52: Inner Frame

    2. Replace the single (M2x3) screw to secure the bracket to the palmrest [2]. Next steps 1. Replace the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable. 2. Replace the battery. 3. Replace the base cover. 4.
  • Page 53 Steps 1. Unroute the WLAN antenna cables. 2. Remove the five (M2x5) screws that secure the inner frame to the system board [1]. 3. Remove the six (M2x3) screws that secure the inner frame to the system chassis [2]. 4. Lift the inner frame away from the system chassis [3]. Disassembly and reassembly...

  • Page 54: Installing The Inner Frame

    Installing the inner frame Steps 1. Align and place the inner frame on the system chassis [1]. 2. Replace the six (M2x3) screws to secure the inner frame to the system chassis [2]. 3. Replace the five (M2x5) screws to secure the inner frame to the system board [3]. Disassembly and reassembly...
  • Page 55 4. Reroute the WLAN antenna cables. Disassembly and reassembly...

  • Page 56: Smartcard Reader

    Next steps 1. Replace the M.2 SSD holder. 2. Replace the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable. 3. Replace the WLAN card. 4. Replace the battery. 5. Replace the base cover. 6. Replace the microSD card.
  • Page 57 3. Remove the three (M2x3) screws that secure the smartcard reader to the palmrest [1]. 4. Lift the smartcard reader board away from the palmrest [2]. Disassembly and reassembly...

  • Page 58: Installing The Smartcard Reader

    Installing the SmartCard reader Steps 1. Place the smart card reader board on the palmrest [1]. 2. Replace the three (M2x3) screws to secure the smartcard reader on the palmrest [2]. Disassembly and reassembly...
  • Page 59 3. Connect the smartcard reader FFC to the connector on the USH board [1]. 4. Adhere the smartcard FFC to the palmrest [2]. Disassembly and reassembly...

  • Page 60: Touchpad Buttons

    Next steps 1. Replace the inner frame. 2. Replace the WLAN card. 3. Replace the battery. 4. Replace the base cover. 5. Replace the microSD card. 6. Follow the procedure in after working inside your computer. Touchpad buttons Removing the touchpad button board Prerequisites 1.
  • Page 61 3. Open the latch and disconnect the touchpad button board cable from the connector on the touchpad board [1, 2]. Disassembly and reassembly...
  • Page 62 4. Remove the two (M2x3) screws that secure the touchpad button bracket to the palmrest [1]. 5. Lift the touchpad button board bracket away from the computer [2]. Disassembly and reassembly...

  • Page 63: Installing The Touchpad Button Board

    Installing the touchpad button board Steps 1. Place the touchpad button board into the slot on the palmrest [1]. 2. Replace the two (M2x3) screws to secure the touchpad button board to the palmrest [2]. Disassembly and reassembly...
  • Page 64 3. Connect the touchpad button board cable to the connector on the touchpad board [1, 2]. Disassembly and reassembly...
  • Page 65 4. Connect the Smartcard reader Flexible Flat Cable (FFC) to the USH board [1]. 5. Adhere the FFC on the palmrest [2]. Disassembly and reassembly...

  • Page 66: Led Board

    Next steps 1. Replace the speaker. 2. Replace the battery. 3. Replace the base cover. 4. Replace the microSD card. 5. Follow the procedure in after working inside your computer. LED board Removing the LED board Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 67 3. Remove the single (M2x3) screw that secures the LED board to the palmrest [1]. 4. Lift the LED board away from the computer [2]. Disassembly and reassembly...

  • Page 68: Installing The Led Board

    Installing the LED board Steps 1. Place the LED board and align the screw hole on the LED board with the screw hole on the palmrest [1]. 2. Replace the single (M2x3) screw to secure the LED board to the palmrest [2]. Disassembly and reassembly...
  • Page 69 3. Connect the LED board cable to the connector on the system board and route the LED board cable [1, 2]. Disassembly and reassembly...

  • Page 70: Speakers

    Next steps 1. Replace the battery. 2. Replace the base cover. 3. Replace the microSD card. 4. Follow the procedure in after working inside your computer. Speakers Removing the speakers Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 71 3. Lift and remove the speakers away from the palmrest. Disassembly and reassembly...

  • Page 72: Installing The Speakers

    Installing the speakers Steps 1. Using the alignment posts and rubber grommets, place the speakers in their slots on the palmrest. 2. Route the speaker cable through the routing guides. Disassembly and reassembly...
  • Page 73 3. Affix the adhesive tape to secure the speaker cable to the palmrest [1]. 4. Connect the speaker cable to the connector on the system board [2, 3]. Disassembly and reassembly...

  • Page 74: Heat Sink

    Next steps 1. Replace the battery. 2. Replace the base cover. 3. Replace the microSD card. 4. Follow the procedure in after working inside your computer. Heat sink Removing the heatsink assembly Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 75 2. Remove the six (M2x3) screws that secure the heatsink assembly to the system board [1]. NOTE: Remove the screws in the order of the callout numbers [1, 2, 3, 4, 5, 6] as indicated on the heatsink. 3. Remove the two (M2x3) screws that secure the fan section of heatsink to the system board and lift the heatsink assembly [2].

  • Page 76: Installing The Heatsink Assembly

    Installing the heatsink assembly Steps 1. Place the heatsink assembly on the system board and align the screw holes on the heatsink with the screw holes on the system board [1]. 2. Replace the two (M2x3) screws that secure the fan section of the heatsink assembly to the system board. 3.
  • Page 77 4. Connect the system fan cable from the connector on the system board. Disassembly and reassembly...

  • Page 78: System Board

    Next steps 1. Replace the inner frame. 2. Replace the battery. 3. Replace the base cover. 4. Replace the microSD card. 5. Follow the procedure in after working inside your computer. System board Removing the system board Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 79 Steps 1. Lift the latch and disconnect the following cables from the system board: a. Speaker cable [1]. b. LED board cable [2]. c. USH FFC [3]. d. Touchpad FFC [4]. 2. Remove the single (M2x3) screw that secures the fingerprint support bracket to the system board [1]. 3.
  • Page 80 5. Peel the adhesive tape on the eDP cable that is connected to the system board [1]. 6. Remove the two (M2x3) screws that secure the eDP bracket to the system board [2]. 7. Remove the eDP bracket away from the computer [3]. 8.
  • Page 81 10. Remove the two (M2x3) screws that secure the system board to the palmrest [1]. 11. Lift the system board away from the computer [2]. Disassembly and reassembly...

  • Page 82: Installing The System Board

    Installing the system board Steps 1. Align and place the system board on the palmrest [1]. 2. Replace the two (M2x3) screws to secure the system board to the palmrest [2]. Disassembly and reassembly...
  • Page 83 3. Connect the cable to the connector on the system board [1]. 4. Connect the eDP cable to the connector on the system board [2]. 5. Place the eDP support bracket above the eDP connector [3]. 6. Replace the two (M2x3) screws to secure the eDP bracket to the system board [4]. 7.
  • Page 84 8. Connect the fingerprint cable to the connector on the system board [1]. 9. Place the fingerprint support bracket [2]. 10. Replace the single (M2x3) screw to secure the fingerprint support bracket to the system board [3]. Disassembly and reassembly...
  • Page 85 11. Connect the following cables to the system board: a. Speaker cable [1]. b. LED board cable [2]. c. USH FFC [3] d. Touchpad FFC [4]. Disassembly and reassembly...

  • Page 86: Keyboard Assembly

    Next steps 1. Replace the heatsink assembly. 2. Replace the inner frame. 3. Replace the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable. 4. Replace the DC-in. 5. Replace the coin cell battery. 6. Replace the WLAN card.
  • Page 87 3. Remove the base cover. 4. Remove the battery. 5. Remove the speaker. 6. Remove the memory module. 7. Remove the DC-in 8. Remove the WLAN card. 9. Remove the system board. NOTE: System board can be removed with heatsink assembly attached. 10.

  • Page 88: Installing The Keyboard

    Installing the keyboard Steps 1. Align and place the keyboard on the palmrest [1]. 2. Replace the 18 (M2x2.5) screws to secure the keyboard to the palmrest [2]. Disassembly and reassembly...
  • Page 89 3. Connect the backlit cable and the keyboard cables to the connectors on the touchpad. Disassembly and reassembly...

  • Page 90: Keyboard Bracket

    Next steps 1. Replace the coin cell battery. 2. Replace the system board. NOTE: System board can be replaced with heatsink assembly attached. 3. Replace the WLAN card. 4. Replace the DC-in. 5. Replace the memory module. 6. Replace the speaker. 7.

  • Page 91: Installing The Keyboard Bracket

    7. Remove the DC-in 8. Remove the WLAN card. 9. Remove the system board. NOTE: System board can be removed with heatsink assembly attached. 10. Remove the coin cell battery. 11. Remove the keyboard. Steps 1. Remove the six (M2x2) screws that secure the keyboard to the keyboard bracket [1]. 2.

  • Page 92: Power Button

    Next steps 1. Replace the keyboard. 2. Replace the coin cell battery. 3. Replace the system board. NOTE: System board can be replaced with heatsink assembly attached. 4. Replace the WLAN card. 5. Replace the DC-in. 6. Replace the memory module.

  • Page 93: Installing The Power Button With Fingerprint Reader

    4. Remove the battery. 5. Remove the speaker. 6. Remove the memory module. 7. Remove the DC-in 8. Remove the WLAN card. 9. Remove the system board. NOTE: System board can be removed with heatsink assembly attached. 10. Remove the coin cell battery.

  • Page 94: Display Assembly

    Next steps 1. Replace the keyboard. 2. Replace the coin cell battery. 3. Replace the system board. NOTE: System board can be replaced with heatsink assembly attached. 4. Replace the WLAN card. 5. Replace the DC-in. 6. Replace the memory module.
  • Page 95 Steps 1. Unroute the wireless antenna from the routing guides on the system board [1]. 2. Peel off the tape securing the eDP cable bracket [2]. 3. Remove the two (M2x3) screws that secures the eDP cable bracket to the system board [3]. 4.
  • Page 96 7. Remove the four (M2.5x5) screws that secures the display assembly to the system chassis [1]. 8. Remove the display assembly from the system [2]. Disassembly and reassembly...

  • Page 97: Installing The Display Assembly

    Installing the display assembly About this task NOTE: Ensure that the hinges are opened to the maximum before replacing the display assembly on the palmrest. Steps 1. Align and place the system chassis under the hinges of the display assembly [1]. 2.
  • Page 98 3. Seat the system chassis on the display assembly. NOTE: Make sure to watch the cable positioning during LCD installation and also when closing the LCD to prevent pinching of the cables between LCD assembly and chassis. Disassembly and reassembly...
  • Page 99 4. Reroute the wireless antenna through the routing guides on the system board [1]. 5. Connect the cable to the connector on the system board [2]. 6. Connect the eDP cable to the eDP connector on the system board [3]. 7.

  • Page 100: Display Bezel

    Next steps 1. Replace the WLAN card. 2. Replace the battery. 3. Replace the base cover. 4. Replace the microSD card. 5. Follow the procedure in after working inside your computer. Display bezel Removing display bezel Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 101 Steps NOTE: Display bezel cannot be reused after being removed. Use a plastic scribe to carefully pry open the recesses near the left and right hinges on the bottom edge of the display bezel [1]. CAUTION: When prying open the display bezel, ensure to pry along the outside edge of the display bezel using your hands or plastic scribes—using a screw driver or other sharp objects may damage the display panel.

  • Page 102: Installing The Display Bezel

    Installing the display bezel Steps Align the display bezel with the display assembly, and then gently snap the display bezel into place. Disassembly and reassembly...
  • Page 103 Disassembly and reassembly...

  • Page 104: Display Panel

    Next steps 1. Replace the display assembly. 2. Replace the battery. 3. Replace the base cover. 4. Replace the microSD card. 5. Follow the procedure in after working inside your computer. Display panel Removing display panel Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 105 2. Peel the conductive tape [1] on the display cable connector. 3. Remove the adhesive strip that secures the display cable connector [2]. 4. Lift the latch and disconnect the display cable from the connector on the display panel [3, 4]. NOTE: Do not pull and release the Stretch (SR) Tapes from the display panel.
  • Page 106 Disassembly and reassembly...

  • Page 107: Installing Display Panel

    Installing display panel Steps 1. Connect the display cable to the connector and close the latch [1, 2]. 2. Adhere the adhesive strip to secure the display cable connector [3]. 3. Adhere the conductive tape to secure the display cable connector [4]. NOTE: LCD Panel comes with two (L+R) brackets that needs to toe-in first, then secure two screws located at the base of the LCD panel.

  • Page 108: Camera

    Next steps 1. Replace the display bezel. 2. Replace the display assembly. 3. Replace the battery. 4. Replace the base cover. 5. Replace the microSD card. 6. Follow the procedure in after working inside your computer. Camera Removing camera Prerequisites 1.

  • Page 109: Installing Camera

    Steps 1. Peel the two conductive tape that secures the camera in place [1]. 2. Carefully pry and lift the camera module from the display back cover [2]. 3. Disconnect the camera cable from the connector on the camera module [3]. Installing camera Steps 1.

  • Page 110: Hinge Caps

    Next steps 1. Replace the display panel. 2. Replace the display hinges. 3. Replace the hinge caps. 4. Replace the display bezel. 5. Replace the display assembly. 6. Replace the battery. 7. Replace the base cover. 8. Replace the microSD card.

  • Page 111: Installing Hinge Caps

    Steps 1. Remove the two (M2x3) screws that secure the hinge caps to the chassis [1]. 2. Pinch the hinge caps to release the hinge caps from the ribs on the display back cover then slide inwards to remove the hinge caps from the display hinge [2].

  • Page 112: Display Hinges

    Next steps 1. Replace the display bezel. 2. Replace the display assembly. 3. Replace the battery. 4. Replace the base cover. 5. Replace the microSD card. 6. Follow the procedure in after working inside your computer. Display hinges Removing display hinge Prerequisites 1.

  • Page 113: Installing Display Hinge

    Steps 1. Remove the four (M2.5x3) screws that secure the display hinge to the display assembly [1]. 2. Remove the display hinges from the display back cover [2]. Installing display hinge Steps 1. Place the display hinge on the display assembly. 2.

  • Page 114: Display (Edp) Cable

    Next steps 1. Replace the hinge caps. 2. Replace the display bezel. 3. Replace the display assembly. 4. Replace the battery. 5. Replace the base cover. 6. Replace the microSD card. 7. Follow the procedure in after working inside your computer.

  • Page 115: Installing Display Cable

    9. Remove the display panel. 10. Remove the camera. Steps Peel the conductive tape and unroute the display cable to release it from adhesive and lift the display cable from the display back cover. Installing display cable Steps 1. Adhere the display cable to the display back cover. 2.

  • Page 116: Display Back Cover

    Next steps 1. Replace the camera. 2. Replace the display panel. 3. Replace the display hinges. 4. Replace the hinge caps. 5. Replace the display bezel. 6. Replace the display assembly. 7. Replace the battery. 8. Replace the base cover. 9.

  • Page 117: Palmrest Assembly

    10. Remove the camera. 11. Remove the display cable. About this task After performing the preceding steps, you are left with the display back cover. Next steps 1. Replace the display cable. 2. Replace the camera. 3. Replace the display panel.
  • Page 118 3. Remove the base cover. 4. Remove the battery. 5. Remove the speaker. 6. Remove the memory module. 7. Remove the DC-in 8. Remove the WLAN card. 9. Remove the system board. NOTE: System board can be removed with heatsink assembly attached. 10.
  • Page 119 10. Replace the battery. 11. Replace the base cover. 12. Replace the microSD card. 13. Follow the procedure in after working inside your computer. Disassembly and reassembly...

  • Page 120: Chapter 5: Bios Setup

    BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.

  • Page 121: One Time Boot Menu

    Table 3. Navigation keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. Enter Selects a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop-down list, if applicable. Moves to the next focus area.

  • Page 122: System Information

    Table 4. General (continued) Option Description Battery Information Displays the battery status health and whether the AC adapter is installed. Boot Sequence Allows you to specify the order in which the computer attempts to find an operating system from the devices specified in this list. UEFI Boot Path Security This option controls whether or not the system will prompt the user to enter the Admin password when booting a UEFI boot path from the F12 Boot Menu.
  • Page 123 Table 5. System Configuration (continued) Option Description Audio Allows you to enable or disable the integrated audio controller. The option Enable Audio is selected by default. ● Enable Microphone ● Enable Internal Speaker Both the options are selected by default. Keyboard Illumination This field lets you choose the operating mode of the keyboard illumination feature.

  • Page 124: Video

    Video Option Description LCD Brightness Allows you to set the display brightness depending up on the power source—On Battery and On AC. The LCD brightness is independent for battery and AC adapter. It can be set using the slider. NOTE: The video setting is visible only when a video card is installed into the system.

  • Page 125: Secure Boot

    Table 6. Security (continued) Option Description Absolute This field lets you Enable, Disable or Permanently Disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute Software. ● Enabled - This option is selected by default. ● Disabled ●...

  • Page 126: Intel Software Guard Extensions

    Intel Software Guard Extensions Table 8. Intel Software Guard Extensions Option Description Intel SGX Enable This field specifies you to provide a secured environment for running code/storing sensitive information in the context of the main OS. Click one of the following options: ●...

  • Page 127: Power Management

    ● Adaptive—enabled by default Configuration ● Standard—Fully charges your battery at a standard rate. ● ExpressCharge—The battery charges over a shorter time using Dell’s fast charging technology. ● Primarily AC use ● Custom If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop.

  • Page 128: Post Behavior

    POST behavior Option Description Adapter Allows you to enable or disable the system setup (BIOS) warning messages when you use certain power Warnings adapters. Default setting: Enable Adapter Warnings Numlock Enable Allows you to enable the Numlock option when the computer boots. Enable Network.

  • Page 129: Wireless

    Option Description Enable VT for Direct I/O - enabled by default. Trusted This option specifies whether a Measured Virtual Machine Monitor (MVMM) can utilize the additional Execution hardware capabilities provided by Intel Trusted Execution Technology. The TPM Virtualization Technology, and the Virtualization technology for direct I/O must be enabled to use this feature. Trusted Execution - disabled by default.

  • Page 130: Updating The Bios

    Updating the BIOS in Windows to download the latest BIOS setup program file. 2. Create a bootable USB drive. For more information, search in the Knowledge Base Resource at www.dell.com/support. 3. Copy the BIOS setup program file to the bootable USB drive.

  • Page 131: Updating The Bios From The F12 One-Time Boot Menu

    One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option.

  • Page 132: Assigning A System Setup Password

    CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data that is stored on your computer if it is not locked and left unattended. NOTE: System and setup password feature is disabled. Assigning a system setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set.

  • Page 133: Clearing Cmos Settings

    Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.

  • Page 134: Chapter 6: Troubleshooting

    ● Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other computers with your computer.

  • Page 135: Dell Supportassist Pre-Boot System Performance Check Diagnostics

    Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: ●...

  • Page 136: Lcd Power Rail Test (L-Bist)

    LCD Built-in Self Test (BIST) Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and PC settings.

  • Page 137: System Diagnostic Lights

    ● Solid white — Caps Lock enabled. ● Off — Caps Lock disabled. Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell SupportAssist OS Recovery. Troubleshooting...

  • Page 138: Real-Time Clock (Rtc Reset)

    It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.
  • Page 139 6. Install the battery. 7. Install the base cover. 8. Connect the power adapter to your computer. 9. Turn on your computer. NOTE: For more information about performing a hard reset, search in the Knowledge Base Resource at www.dell.com/ support. Troubleshooting...

  • Page 140: Chapter 7: Getting Help

    About this task Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Steps 1.

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