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

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Summary of Contents for Dell Latitude 5400

  • Page 1 Dell Latitude 5400 Service Manual Regulatory Model: P98G Regulatory Type: P98G001...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2019 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.

  • Page 3: Table Of Contents

    Contents 1 Working on your computer......................6 Safety instructions.................................6 Before working inside your computer........................... 6 Safety precautions................................7 Electrostatic discharge—ESD protection........................7 ESD field service kit ................................8 Transporting sensitive components..........................8 After working inside your computer..........................9 2 Technology and components......................10 USB features..................................
  • Page 4 Removing the solid state drive bracket........................40 Installing the solid state drive bracket......................... 41 Inner frame................................... 42 Removing the inner frame............................42 Installing the inner frame.............................. 44 SmartCard reader................................46 Removing the SmartCard reader..........................46 Installing the SmartCard reader........................... 48 Touchpad buttons................................50 Removing the touchpad button board........................
  • Page 5 Replacing the display back cover..........................103 Palmrest assembly................................104 Replacing the palmrest and keyboard assembly...................... 104 5 Troubleshooting........................107 Enhanced Pre-Boot System Assessment (ePSA) diagnostics..................107 Running the ePSA diagnostics............................107 System diagnostic lights..............................107 WiFi power cycle................................108 6 Getting help..........................109 Contacting Dell...................................109 Contents...

  • Page 6: 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 7: Safety Precautions

    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 8: Esd Field Service Kit

    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 9: After Working Inside Your Computer

    5. Keep your back upright, whether lifting or setting down the load. Do not add the weight of your body to the load. Avoid twisting your body and back. 6. Follow the same techniques in reverse to set the load down. After working inside your computer About this task After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your...

  • Page 10: 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 11: Usb Type-C

    • USB 3.0/USB 3.1 Gen 1 utilizes the bidirectional data interface, rather than USB 2.0's half-duplex arrangement. This gives a 10-fold increase in theoretical bandwidth. With today's ever increasing demands placed on data transfers with high-definition video content, terabyte storage devices, high megapixel count digital cameras etc., USB 2.0 may not be fast enough.
  • Page 12 “alternate modes,” which allows you to have adapters that can output HDMI, VGA, DisplayPort, or other types of connections from that single USB port USB Power Delivery The USB PD specification is also closely intertwined with USB Type-C. Currently, smartphones, tablets, and other mobile devices often use a USB connection to charge.

  • Page 13: Hdmi 1.4A

    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 14 • Safeguards do not time out if the device gets hung during the logon process. • Dell logo: Turns on within 2 secs after pressing the power button. • Full boot: Within 22 secs after pressing the power button. •...
  • Page 15 • Camera LED • White LED activates when camera is on. • Mic Mute LED: • When activated (muted), the mic mute LED on the F4 Key should illuminate WHITE. • RJ45 LEDs: • Table 2. LED on either side of RJ45 port Link speed indicator (LHS) Activity indicator (RHS) Green...

  • Page 16: Major Components Of Your System

    Major components of your system 1. Base cover 2. Heatsink Major components of your system...
  • Page 17 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 18: Disassembly And Reassembly

    Disassembly and reassembly MicroSD card Removing the microSD card Prerequisites 1. Follow the procedure in Before working inside your computer. Steps 1. Push the microSD card to release it from the computer [1]. 2. Slide the microSD card out of the computer [2]. Installing the microSD card Steps 1.

  • Page 19: Base Cover

    3. 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 [1]. Disassembly and reassembly...
  • Page 20 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 21: Installing The Base Cover

    3. Lift and remove the base cover away from the computer. Installing the base cover Steps 1. Align and place the base cover on the computer. Disassembly and reassembly...
  • Page 22 2. Press the edges and sides of the base cover until it snaps into place. Disassembly and reassembly...
  • Page 23 3. Tighten the eight captive screws to secure the base cover to the computer. Disassembly and reassembly...

  • Page 24: 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 25 2. Loosen the single captive screw that secures the battery to the palmrest [1]. 3. Slide the battery inward and lift the battery away from the palmrest [2]. Disassembly and reassembly...

  • Page 26: Installing The Battery

    Installing the battery Steps 1. Align and slide the battery on the palmrest [1]. 2. Tighten the single captive screw to secure the battery to the palmrest [2]. Disassembly and reassembly...
  • Page 27 3. Connect the battery cable to the connector on the system board. Disassembly and reassembly...

  • Page 28: Wlan Card

    Next steps 1. Replace the base cover. 2. Replace the microSD card. 3. 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. 2. Remove the microSD card.

  • Page 29: 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 30: 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 31: 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 32: 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 33: 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 34: 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 35 3. Disconnect the DC-in port cable from the connector on the system board and remove the DC-in port from the computer [1, 2]. Disassembly and reassembly...

  • Page 36: 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 37 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 38: Solid State Drive

    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. Solid state drive Removing the M.2 SSD Prerequisites 1. Follow the procedure in before working inside your computer.

  • Page 39: Installing The M.2 Ssd

    3. Remove the SSD of the SSD thermal plate. Installing the M.2 SSD Steps 1. Place the M.2 SSD into the slot on the palmrest [1]. 2. Align and place the SSD support bracket above the M.2 SSD [2]. 3. Replace the two (M2x3) screws to secure the SSD support bracket to the palmrest [3]. Disassembly and reassembly...

  • Page 40: Solid State Drive Bracket

    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. Solid state drive bracket Removing the solid state drive bracket Prerequisites 1. Follow the procedure in before working inside your computer.

  • Page 41: Installing The Solid State Drive Bracket

    Installing the solid state drive bracket Steps 1. Align the bracket and insert it into the slot on the palmrest [1]. 2. Replace the single (M2x3) screw to secure the bracket to the palmrest [2]. Disassembly and reassembly...

  • Page 42: Inner Frame

    Next steps 1. Replace the SSD. 2. Replace the battery. 3. Replace the base cover. 4. Replace the microSD card. 5. Follow the procedure in after working inside your computer. Inner frame Removing the inner frame Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 43 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 44: 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 45 4. Reroute the WLAN antenna cables. Disassembly and reassembly...

  • Page 46: Smartcard Reader

    Next steps 1. Replace the M.2 SSD holder. 2. Replace the SSD. 3. Replace the WLAN card. 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 47 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 48: 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 49 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 50: 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 51 3. Open the latch and disconnect the touchpad button board cable from the connector on the touchpad board [1, 2]. Disassembly and reassembly...

  • Page 52: Installing The Touchpad Button Board

    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]. Installing the touchpad button board Steps 1. Place the touchpad button board into the slot on the palmrest [1]. 2.
  • Page 53 3. Connect the touchpad button board cable to the connector on the touchpad board [1, 2]. Disassembly and reassembly...

  • Page 54: Led Board

    4. Connect the Smartcard reader Flexible Flat Cable (FFC) to the USH board [1]. 5. Adhere the FFC on the palmrest [2]. Next steps 1. Replace the speaker. 2. Replace the battery. 3. Replace the base cover. 4. Replace the microSD card.
  • Page 55 3. Remove the single (M2x3) screw that secures LED board to the palmrest [1]. 4. Lift the LED board away from the computer [2]. Disassembly and reassembly...

  • Page 56: 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 57 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 58: 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 59: Installing The Speakers

    Installing the speakers Steps 1. Using the alignment posts and rubber grommets, place the speakers in the slots on the palmrest. 2. Route the speaker cable through the routing guides. Disassembly and reassembly...
  • Page 60 3. Affix the adhesive tape to secure speaker cable to the palmrest [1]. 4. Connect the speaker cable to the connector on the system board [2, 3]. Disassembly and reassembly...

  • Page 61: Heatsink Assembly

    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. Heatsink assembly Removing the heatsink assembly Prerequisites 1. Follow the procedure in before working inside your computer.
  • Page 62 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]. Disassembly and reassembly...

  • Page 63: 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 64 4. Connect the system fan cable from the connector on the system board. Disassembly and reassembly...

  • Page 65: 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 66 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 67 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 68 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 69: 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 70 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 71 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 72 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 73: Keyboard

    Next steps 1. Replace the heatsink assembly. 2. Replace the SSD. 3. Replace the DC-in. 4. Replace the coin cell battery. 5. Replace the WLAN card. 6. Replace the memory module. 7. Replace the battery. 8. Replace the base cover. 9.
  • Page 74 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 75: 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 76 3. Connect the backlit cable and the keyboard cable to the connectors on the touchpad. Disassembly and reassembly...

  • Page 77: 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 78: 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 79: 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 80: 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 81: 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 82 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 83 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 84: 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 85 3. Seat the system chassis on the display assembly. Disassembly and reassembly...
  • Page 86 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 87: 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 88 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 cover.

  • Page 89: 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 90 Disassembly and reassembly...

  • Page 91: 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 92 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 93 Disassembly and reassembly...

  • Page 94: 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 95: Camera

    Next steps 1. Replace the display hinges. 2. Replace the hinge caps. 3. Replace the display bezel. 4. Replace the display assembly. 5. Replace the battery. 6. Replace the base cover. 7. Replace the microSD card. 8. Follow the procedure in after working inside your computer.

  • Page 96: Installing Camera

    8. Remove the display hinges. 9. Remove the display panel. 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 97: 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 98: 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 99: 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 100: 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 101: 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 102: 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 103: Display Back Cover Assembly

    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 104: 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 105 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 106 11. Replace the microSD card. 12. Follow the procedure in after working inside your computer. Disassembly and reassembly...

  • Page 107: Troubleshooting

    Running the ePSA diagnostics Steps 1. Turn on your computer. 2. As the computer boots, press the F12 key as the Dell logo appears. 3. On the boot menu screen, select the Diagnostics option. 4. Click the arrow at the bottom left corner.

  • Page 108: Wifi Power Cycle

    For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected. The following table shows different power and battery-status light patterns and associated problems.

  • Page 109: 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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