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...
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Removing the speakers..............................43 Installing the speakers..............................46 System fan..................................49 Removing the system fan............................49 Installing the system fan.............................51 Heat sink....................................53 ......................................53 ......................................54 DC-in port................................... 55 Removing the DC-in port............................55 Installing the DC-in port.............................57 LED board................................... 59 Removing the LED board............................59 Installing the LED board.............................62 Touchpad button board..............................
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Replacing the display back cover..........................116 Palmrest assembly................................117 Replacing the palmrest and keyboard assembly....................117 Chapter 5: Troubleshooting....................... 120 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 120 Running the SupportAssist Pre-Boot System Performance Check.............. 120 System diagnostic lights..............................120 WiFi power cycle................................121 Chapter 6: Getting help......................
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.
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.
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...
It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive 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.
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● 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.
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.
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.
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.
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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. ●...
Major components of your system 1. Base cover 2. DC-in port 3. Heatsink 4. Memory modules Major components of your system...
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17. System fan 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.
Disassembly and reassembly NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Topics: • MicroSD card • SIM card tray • Base cover • Battery • WWAN card • WLAN card • Memory modules •...
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...
Next steps Follow the procedures in After working inside your computer. SIM card tray Removing the SIM card tray Prerequisites Follow the procedure in Before working inside your computer Steps 1. Insert a pin into the hole of the SIM card tray and push inward until the tray is released [1, 2]. 2.
Installing the SIM card tray Steps 1. Place the SIM card into the SIM card tray with the metallic contact facing up [1]. 2. Align the SIM card tray with the slot on the computer and carefully slide it in [2]. 3.
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...
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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...
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3. Lift and remove the base cover away from the computer. Disassembly and reassembly...
4. After removing the base cover, remove the SIM cover. To remove the SIM cover pry the dummy SIM card upwards from the recess point which is the area between the dummy SIM card and system chassis. Installing the base cover Steps 1.
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3. Press the edges and sides of the base cover until it snaps into place. Disassembly and reassembly...
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4. Tighten the eight captive screws to secure the base cover to the computer. Disassembly and reassembly...
● 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.
● Always purchase genuine batteries from www.dell.com or authorized Dell partners and resellers. Removing the battery Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card. 3. Remove the base cover. Steps 1. Peel the adhesive tape from the battery [1].
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 two captive screws to secure the battery to the palmrest [2]. Disassembly and reassembly...
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4. Connect the battery cable to the connector on the system board [1]. 5. Affix the adhesive tapes on the battery [2]. Disassembly and reassembly...
Next steps 1. Replace the base cover. 2. Replace the microSD card. 3. Follow the procedure in after working inside your computer WWAN card Removing the WWAN card Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD 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. Align the notch on the WWAN card with the tab on the WWAN card slot and insert the WWAN card at an angle into the WWAN card slot [1].
Next steps 1. Connect the battery cable to the connector on the system board. 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.
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.
Next steps 1. Connect the battery cable to the connector on the system board. 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.
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.
Next steps 1. Connect the battery cable to the connector on the system board. 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.
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3. Remove the single (M2x2) screw that secures the M.2 SSD to the palmrest [1]. 4. Lift the M.2 SSD away from the computer [2]. Disassembly and reassembly...
Installing the M.2 SSD Steps 1. Place the M.2 SSD into the slot on the palmrest [1]. 2. Replace the single (M2x2) screw to secure the M.2 SSD to the palmrest [2]. Disassembly and reassembly...
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3. Align and place the SSD support bracket above the M.2 SSD [1]. 4. Replace the two (M2x3) screws to secure the SSD support bracket to the palmrest [2]. Disassembly and reassembly...
Next steps 1. Connect the battery cable to the connector on the system board. 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.
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3. Disconnect the touchpad cable from the connector on the daughter board. 4. Peel the adhesive tapes and unroute the speaker cable. Disassembly and reassembly...
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5. Lift and remove the speakers away from the palmrest. Disassembly and reassembly...
Installing the speakers Steps 1. Using the alignment posts and rubber grommets, place the speakers in their slots on the palmrest. Disassembly and reassembly...
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2. Route the speaker cable through the routing guides. Disassembly and reassembly...
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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]. Disassembly and reassembly...
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. System fan Removing the system fan Prerequisites 1. Follow the procedure in before working inside your computer.
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2. Remove the two (M2x5) screws that secure the system fan to the palmrest [1]. 3. Lift the system fan away from the computer [2]. Disassembly and reassembly...
Installing the system fan Steps 1. Place and align the screw holes on the system fan with the screw holes on to the palmrest [1]. 2. Replace the two (M2x5) screws to secure the system fan to the palmrest [2]. Disassembly and reassembly...
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3. Connect the system fan cable to the connector on the system board. Disassembly and reassembly...
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 Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the microSD card.
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Steps 1. Place the heatsink on the system board and align the screw holes on the heatsink with the screw holes on the system board [1]. 2. In sequential order (as indicated on the heatsink), tighten the four captive screws that secure the heatsink to the system board [2].
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.
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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...
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...
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3. Place the Type-C bracket on its slot on the computer [1]. 4. Replace the two (M2x4) screws to secure the Type-C bracket to the palmrest [2]. Disassembly and reassembly...
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. LED board Removing the LED board Prerequisites 1. Follow the procedure in before working inside your computer.
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3. Peel the adhesive tape that secures the LED board cable connector to the LED board [1]. 4. Peel the grey adhesive tape that secures the LED board [2]. Disassembly and reassembly...
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5. Remove the single (M2x2.5) screw that secures the LED board to the palmrest [1]. 6. Lift the LED board away from the computer [2]. Disassembly and reassembly...
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 (M2x2.5) screw to secure the LED board to the palmrest [2]. Disassembly and reassembly...
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3. Affix the grey adhesive tape to secure the LED board [1]. 4. Affix the adhesive tape to secure the LED board [2]. Disassembly and reassembly...
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5. Connect the LED board cable to the connector on the system board and route the LED board cable [1, 2]. Disassembly and reassembly...
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. Touchpad button board Removing the touchpad button board Prerequisites 1. Follow the procedure in before working inside your computer.
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2. Remove the two (M2x3) screws that secure the touchpad button bracket to the palmrest [1]. 3. Lift the touchpad button board bracket away from the computer [2]. Disassembly and reassembly...
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...
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3. Connect the touchpad button board cable to the connector on the touchpad board. Disassembly and reassembly...
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. System board Removing the system board Prerequisites 1. Follow the procedure in before working inside your computer.
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Steps 1. Lift the latch and disconnect the following cables: a. USH cable [1]. b. LED board cable [2]. c. touchpad cable [3]. 2. Remove the single (M2.5x4) screw that secures the fingerprint support bracket to the system board [1]. 3.
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5. Peel the adhesive tape and disconnect the cable from the connector on the system board [1]. 6. Remove the single (M2x4) screw that secures the eDP bracket to the system board [2]. 7. Remove the eDP bracket away from the computer [3]. 8.
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9. Release the coin cell battery from the palmrest. Disassembly and reassembly...
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10. Remove the three (M2x2) screws and the single (M2.5x4) screw that secures the system board to the palmrest [1]. 11. Lift the system board away from the computer [2]. Disassembly and reassembly...
Installing the system board Steps 1. Align and place the system board to the palmrest [1]. 2. Replace the three (M2x2) screws and the single (M2.5x4) screw to secure the system board to the palmrest [2]. Disassembly and reassembly...
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3. Place the coin cell battery into its slot on the plamrest. Disassembly and reassembly...
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4. Connect the cable to the connector on the system board and affix the adhesive tape [1]. 5. Connect the eDP cable to the connector on the system board [2]. 6. Place the eDP support bracket above the eDP connector [3]. 7.
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8. Connect the fingerprint cable to the connector on the system board [1]. 9. Place the fingerprint support bracket [2]. 10. Replace the single (M2.5x4) screw to secure the fingerprint support bracket to the system board [3]. Disassembly and reassembly...
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11. Connect the following cables: a. USH cable [1]. b. LED board cable [2]. c. touchpad cable [3]. Disassembly and reassembly...
Next steps 1. Replace the WWAN card. 2. Replace the WLAN card. 3. Replace the Dc-in. 4. Replace the memory module. 5. Replace the system fan. 6. Replace the heatsink. 7. Replace the speaker. 8. Replace the battery. 9. Replace the base cover.
3. Remove the base cover. 4. Remove the battery. 5. Remove the speaker. 6. Remove the heatsink. 7. Remove the memory module. 8. Remove the system fan. 9. Remove the DC-in 10. Remove the WLAN card. 11. Remove the WWAN card.
Next steps 1. Replace the system board. 2. Replace the WWAN card. 3. Replace the WLAN card. 4. Replace the DC-in. 5. Replace the memory module. 6. Replace the system fan. 7. Replace the heatsink. 8. Replace the speaker. 9. Replace the battery. 10.
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Steps 1. Peel the adhesive tape and disconnect the cable from the connector on the system board [1]. 2. Remove the single (M2x4) screw that secures the eDP cable bracket to the system board [2]. 3. Lift the eDP cable bracket from the system board [3]. 4.
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6. Remove the four (M2.5x3) screws that secure the display assembly to the system chassis [1]. 7. Remove the display assembly from the system [2]. Disassembly and reassembly...
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 and keyboard assembly. Steps 1. Align and place the system chassis under the hinges of the display assembly [1]. 2.
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3. Seat the system chassis on the display assembly. Disassembly and reassembly...
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4. Connect the cable to the connector on the system board and adhere the adhesive tape [1]. 5. Reroute the eDP cable and connect it to the eDP connector [2]. 6. Place the eDP cable bracket on the system board [3]. 7.
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. Keyboard Removing the keyboard Prerequisites 1. Follow the procedure in before working inside your computer.
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10. Remove the WWAN card. 11. Remove the system board. NOTE: System board can be removed with heatsink attached. 12. Remove the coin cell battery. Steps 1. Peel the adhesive tape securing the keyboard and the smartcard reader. 2. Lift the latch and disconnect the backlit cable and the keyboard cables from the connectors on the touchpad. Disassembly and reassembly...
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3. Remove the 19 (M2x2) screws that secure the keyboard to the palmrest [1]. 4. Remove the keyboard away from the computer [2]. Disassembly and reassembly...
Installing the keyboard Steps 1. Align and place the keyboard on the palmrest [1]. 2. Replace the 19 (M2x2) screws to secure the keyboard to the palmrest [2]. Disassembly and reassembly...
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3. Connect the backlit cable and the keyboard cables to the connectors on the touchpad. Disassembly and reassembly...
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4. Adhere the adhesive tape securing the keyboard and the smartcard board. Disassembly and reassembly...
Next steps 1. Replace the coin cell battery. 2. Replace the system board. NOTE: System board can be replaced with heatsink attached. 3. Replace the WWAN card. 4. Replace the WLAN card. 5. Replace the DC-in. 6. Replace the system fan.
Installing the keyboard bracket Steps 1. Align and place the keyboard on the keyboard bracket [1]. 2. Replace the four (M2x2) screws to secure the keyboard on the keyboard bracket [2]. Disassembly and reassembly...
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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 attached. 4. Replace the WWAN card. 5. Replace the WLAN card. 6. Replace the DC-in. 7.
Smart card reader board Removing the smart card reader board 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. 5. Remove the speaker. 6. Remove the memory module.
Installing the smart card reader board Steps 1. Align and place the smart card reader board on the palmrest [1]. 2. Replace the two (M2x2.5) screws to secure the smart card reader board to the palmrest [2]. Disassembly and reassembly...
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3. Reroute the smart card reader cable. Disassembly and reassembly...
Next steps 1. Replace the keyboard. 2. Replace the coin cell battery. 3. Replace the system board. 4. Replace the WWAN card. 5. Replace the WLAN card. 6. Replace the Dc-in. 7. Replace the memory module. 8. Replace the system fan.
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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]. 2. Carefully pry open the inside edge of the display bezel and then pry open the inside edge of the left and right sides of the display bezel [2].
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...
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. Hinge caps Removing hinge caps Prerequisites 1. Follow the procedure in before working inside your computer.
Installing hinge caps Steps 1. Place the hinge caps and slide outward on the display hinges [1]. 2. Replace the two (M2x3) screws to secure the hinge caps to the display hinge. Disassembly and reassembly...
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.
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.
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.
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4. Remove the battery. 5. Remove the display assembly. 6. Remove the display bezel. 7. Remove the hinge caps. 8. Remove the display hinges. Steps 1. Remove the two (M2x2) screws that secure the display panel to the display assembly [1] and lift to turn over the display panel to access the display cable [2].
Installing display panel Steps 1. Connect the display cable to the connector and close the latch [1, 2]. 2. Adhere the conductive tape to secure the display cable connector [3]. 3. Replace the two (M2x2) screws that secure the display panel to the display assembly. Disassembly and reassembly...
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.
8. Remove the display hinges. 9. Remove the display panel. Steps Disconnect the camera cable from the connector on the camera module . Installing camera Steps 1. Insert the camera into the slot on the display back cover . Disassembly and reassembly...
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2. Connect the camera cable to the connector and adhere the adhesive tape above the camera connector. Disassembly and reassembly...
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.
7. Remove the hinge caps. 8. Remove the display hinges. 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.
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.
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.
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3. Remove the base cover. 4. Remove the battery. 5. Remove the speaker. 6. Remove the memory module. 7. Remove the system fan. 8. Remove the DC-in 9. Remove the WLAN card. 10. Remove the WWAN card. 11. Remove the system board.
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9. Replace the system fan. 10. Replace the speaker. 11. Replace the battery. 12. Replace the base cover. 13. Replace the microSD card. 14. Follow the procedure in after working inside your computer. Disassembly and reassembly...
Check diagnostics About this task The 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: ●...
Solid white — Power adapter is connected and the battery has more than 5 percent charge. Amber — Computer is running on battery and the battery has less than 5 percent charge. ● Power adapter is connected and the battery is fully charged. ●...
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2. Turn off the modem. 3. Turn off the wireless router. 4. Wait for 30 seconds. 5. Turn on the wireless router. 6. Turn on the modem. 7. Turn on your computer. Troubleshooting...
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.