Contents Chapter 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.......................... 9 After working inside your computer..........................9 Chapter 2: Technology and components..................10 DDR4.....................................
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Installing the DC-in..............................38 Solid-state drive................................39 Removing the SSD..............................39 Installing the SSD................................ 40 Inner frame..................................41 Removing the inner frame............................41 Installing the inner frame............................43 Touchpad buttons................................45 Touchpad buttons............................... 45 SmartCard reader................................47 Removing the smart card reader board......................... 47 Installing the smart card reader board........................
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Palmrest assembly................................91 Removing the palm-rest and keyboard assembly....................91 Installing the palm-rest and keyboard assembly....................92 Chapter 5: Troubleshooting......................94 Dell SupportAssist Pre-boot System Performance Check diagnostics..............94 Running the SupportAssist Pre-Boot System Performance Check..............94 System-diagnostic lights..............................94 LED Indicators and Characteristics..........................95 Battery charge and status LED ..........................
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 For this reason, some previously approved methods of handling parts are no longer applicable.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...
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.
Technology and components NOTE: Instructions provided in this section are applicable on computers shipped with Windows operating system. Windows is factory-installed with this computer. Topics: • DDR4 • USB features • USB Type-C • HDMI 1.4 • USB features • Power button LED behavior DDR4 DDR4 (double data rate fourth generation) memory is a higher-speed successor to the DDR2 and DDR3 technologies and allows...
Figure 2. Thickness difference Curved edge DDR4 modules feature a curved edge to help with insertion and alleviate stress on the PCB during memory installation. Figure 3. Curved edge Memory Errors Memory errors on the system display the new ON-FLASH-FLASH or ON-FLASH-ON failure code. If all memory fails, the LCD does not turn on.
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● Full-duplex data transfers and support for new transfer types ● Backward USB 2.0 compatibility ● New connectors and cable The topics below cover some of the most commonly asked questions regarding USB 3.0/USB 3.1 Gen 1. Speed Currently, there are 3 speed modes defined by the latest USB 3.0/USB 3.1 Gen 1 specification. They are Super-Speed, Hi-Speed and Full-Speed.
● USB 3.0/USB 3.1 Gen 1 Drive Docks & Adapters ● USB 3.0/USB 3.1 Gen 1 Flash Drives & Readers ● USB 3.0/USB 3.1 Gen 1 Solid-state Drives ● USB 3.0/USB 3.1 Gen 1 RAIDs ● Optical Media Drives ● Multimedia Devices ●...
1 and Thunderbolt 2 use the same connector as miniDP (DisplayPort) to connect to peripherals, while Thunderbolt 3 uses a USB Type-C connector. Figure 4. Thunderbolt 1 and Thunderbolt 3 1. Thunderbolt 1 and Thunderbolt 2 (using a miniDP connector) 2.
compatible digital audio and/or video monitor, such as a digital TV (DTV). The intended applications for HDMI TVs, and DVD players. The primary advantage is cable reduction and content protection provisions. HDMI supports standard, enhanced, or high-definition video, plus multichannel digital audio on a single cable. NOTE: The HDMI 1.4 will provide 5.1 channel audio support.
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● Higher transfer rates (up to 5 Gbps) ● Increased maximum bus power and increased device current draw to better accommodate power-hungry devices ● New power management features ● Full-duplex data transfers and support for new transfer types ● Backward USB 2.0 compatibility ●...
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 metal bracket 3. DC-in port 4. Heatsink assembly Major components of your system...
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20. WWAN card 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: • Base cover • Battery • Memory modules • WLAN card • WWAN card • Hard-drive assembly • Coin-cell battery •...
Steps 1. Remove the five (M2.5x6.3) and three (M2.5x8) captive screws that secure the base cover to the computer. 2. Pry the base cover starting from the right hinge and work your way around. 3. Lift the base cover away from the computer. Installing the base cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
● 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 rechargeable Li-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.
Steps 1. Disconnect the battery cable from the system board. 2. Remove the single (M2x6) captive screw that secures the battery computer. 3. Lift the battery off the computer. Installing the battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the battery and provides a visual representation of the installation procedure.
Steps 1. Place the battery on the palm-rest and keyboard assembly and align the screw holes on the battery with the screw holes on the palm-rest and keyboard assembly. 2. Replace the single (M2x6) captive screw that secures the battery to the computer. 3.
Steps 1. Using your finger tips gently spread apart the securing-clips on each end of the memory-module slot until the memory module pops up. 2. Slide and remove the memory module off the memory module slot on the system board. Installing the memory modules Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
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. 3. Press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it.
Steps 1. Locate the WLAN card on your computer. 2. Remove the single (M2x3) screw that secures the WLAN bracket. 3. Remove the WLAN bracket from the computer. 4. Disconnect the WLAN cables from the WLAN module. 5. Remove the WLAN card out of the computer. Installing the WLAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Locate the WLAN card slot on your computer. 2. Slide the WLAN card into the slot on the system board. 3. Reconnect the WLAN card cables to the WLAN module. 4. Place the WLAN bracket on the WLAN card and secure it with the single (M2x3) screw. Next steps 1.
About this task The figure indicates the location of the WWAN card and provides a visual representation of the removal procedure. Steps 1. Locate the WWAN on your computer. 2. Remove the single (M2x3) screw that secures the WWAN metal bracket to the computer. 3.
Steps 1. Locate the WWAN slot on your computer. 2. Slide the WWAN card into the slot on your computer. 3. Reconnect the WWAN cables to the WWAN card module. 4. Place the WWAN metal bracket on the WWAN card module. 5.
About this task The figure indicates the location of the HDD and provides a visual representation of the removal procedure. Steps 1. Locate the HDD on your computer. 2. Disconnect the HDD cable from the system board. 3. Remove the four (M2x2.7) screws that secure the HDD to the system board. 4.
Steps 1. Locate the system board slot on your computer. 2. Align and install the HDD into the computer 3. Install the four (M2x2.7) screws that secure the HDD to the computer. 4. Connect the HDD cable on to the connector on the system board. Next steps 1.
Steps 1. Locate the Coin-cell on your computer. 2. Disconnect the coin-cell cable from the system board. 3. Lift the coin-cell out of the computer. Installing the Coin-cell Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the coin-cell and provides a visual representation of the installation procedure.
Steps 1. Locate the coin-cell slot on your computer. 2. Adhere the coin-cell on to the slot. 3. Reconnect the coin-cell cable to the system board. Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer.
Steps 1. Locate the DC-in port on your computer. 2. Remove the two (M2x5) that secures the DC-in and USB Type-C metal bracket. NOTE: The DC-in and USB Type-C bracket is adhered to the system board with an adhesive. Use the plastic scribe to pry and release the adhesive between the bracket and the system board, and then rotate the bracket upward to release its hooks from the system board.
Steps 1. Locate the DC-in slot on your computer. 2. Insert the DC-in port into the slot on your computer. 3. Connect the DC-in cable to the system board. 4. Place the DC-in and USB Type-C metal bracket on the DC-in port. 5.
3. Remove the battery. About this task The figure indicates the location of the SSD and provides a visual representation of the removal procedure. Steps 1. Locate the SSD on your computer. 2. Remove two (M2x3) screws that secure the SSD module to the computer. 3.
Steps 1. Locate the SSD slot on your computer. 2. Slide the SSD into the slot. 3. Place the SSD thermal plate over the SSD module. 4. Replace the two (M2x3) screws to secure the SSD module to the computer. Next steps 1.
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Steps 1. Locate the system board on your computer. 2. Unroute the WWAN and WLAN card cables from the routing clips. 3. Disconnect and unroute the speaker cable. Disassembly and reassembly...
4. Remove the five (M2x5) and six (M2x3) screws that secure the inner frame to the computer. 5. Lift the inner frame out of the computer. Installing the inner frame Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the inner frame and provides a visual representation of the installation procedure.
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Steps 1. Locate the Inner frame slot on your computer. 2. Align and place the inner frame into the slot on your computer. 3. Install the five (M2x5) and six (M2x3) that secure the inner frame to the computer. Disassembly and reassembly...
4. Route the WWAN and WLAN card cable through the retention clips on the frame. 5. Route the Speaker through the retention clips and connect it to the system board. Next steps 1. Install the WWAN card. 2. Install the WLAN card.
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Steps 1. Locate the touchpad buttons board on your computer. 2. Open the latch and disconnect the smart card reader board cable from the system board. 3. Open the latch and disconnect the touchpad buttons cable from the connector. 4. Remove the two (M2x3) screws that secure the touchpad buttons to the palmrest. 5.
Steps 1. Locate the touchpad buttons slot on your computer. 2. Align and place the touchpad buttons into the slot on your computer. 3. Connect the touchpad buttons cable to the connector on the computer and secure the latch. 4. Install the two (M2x3) screws to secure the touchpad buttons on to the computer. 5.
5. Remove the HDD. 6. Remove the WLAN card. 7. Remove the WWAN card. 8. Remove the inner frame. About this task The figure indicates the location of the smart card reader board and provides a visual representation of the removal procedure. Steps 1.
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About this task The figure indicates the location of the smart card reader board and provides a visual representation of the installation procedure. Steps 1. Locate the smart card reader board slot on your computer. 2. Align and place the smart card reader board into the slot on your computer. 3.
Touchpad buttons Removing the touchpad buttons Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the solid state drive. 5. Remove the HDD. 6. Remove the WLAN card.
Installing the touchpad buttons Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the touchpad buttons and provides a visual representation of the installation procedure. Steps 1.
LED board Removing the LED board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the solid state drive. 5. Remove the HDD. 6. Remove the WLAN card.
NOTE: The LED board cable is secured to the computer by an adhesive strip. 4. Remove the single (M2x3) screw that secures the LED board to the computer. 5. Lift the LED board out of the computer. Installing the LED board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Next steps 1. Install the inner frame. 2. Install the WWAN card. 3. Install the WLAN card. 4. Install the HDD. 5. Install the solid state drive. 6. Install the battery. 7. Install the base cover. 8. Follow the procedure in After working inside your computer.
Steps 1. Locate the speakers on your computer. 2. Unroute the speaker cables from the retention clips on the computer. 3. Lift the speakers out of the computer. Installing the speakers Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the speakers and provides a visual representation of the installation procedure.
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Steps 1. Locate the speakers slot on your computer. 2. Align and place the speakers in the slot on your computer. 3. Route the speaker cables through the retention clips on your computer. Next steps 1. Install the board. 2. Install the inner frame.
Heatsink assembly-Discrete Removing the heatsink assembly-discrete Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The figure indicates the location of the Heatsink and provides a visual representation of the removal procedure. Disassembly and reassembly...
Steps 1. Locate the heatsink assembly on your computer. 2. Remove the two (M2x5) and six (M2x3) captive screws that secures the heatsink assembly to the computer. 3. Disconnect the heatsink fan cable from the system board. 4. Lift the heatsink assembly out of the computer. 5.
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Steps 1. Locate the heatsink slot on your computer. 2. Align and place the heatsink fan on to the heatsink assembly. 3. Install the single (M2x5) screw that secures the heatsink fan to the heatsink assembly. 4. Align and place the heatsink assembly into the slot of your computer. 5.
Heatsink assembly-UMA Removing the heatsink assembly-UMA Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The figure indicates the location of the Heatsink assembly and provides a visual representation of the removal procedure. Disassembly and reassembly...
Steps 1. Locate the heatsink on your computer. 2. Remove the two (M2x5) and four (M2x3) that secures the heatsink assembly to the computer. NOTE: Remove the screws as per the callout on the heatsink module. 3. Disconnect the heatsink fan cable from the system board. 4.
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Steps 1. Locate the heatsink slot on your computer. 2. Align and place the heatsink fan on to the heatsink assembly. 3. Install the single (M2x5) screw that secures the heatsink fan to the heatsink assembly. 4. Align and place the heatsink assembly into the slot of your computer. 5.
System board Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the solid state drive. 5. Remove the HDD. 6. Remove the WLAN card.
Steps 1. Locate the system board on your computer. 2. Remove the single (M2x3) screw that secures the fingerprint reader metal bracket. 3. Remove the fingerprint metal bracket from the computer and flip the fingerprint sensor over. 4. Disconnect the camera cable from the system board. 5.
Steps 1. Locate the system board slot on your computer. 2. Slide the ports on the system board into the slots on the palm-rest and keyboard assembly and align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly. 3.
Steps 1. Locate the Keyboard on your computer. 2. Open the latch and disconnect the Keyboard, keyboard backlit cables from the palmrest. 3. Remove the 22 (M2x2) screws that secure the keyboard to the chassis of your computer. 4. Lift the keyboard out of the computer. Installing the Keyboard Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Locate the Keyboard slot on your computer. 2. Align and place the keyboard into the slot on your computer. 3. Install the 22 (M2x2) screws that secure the keyboard to the chassis of the computer. 4. Connect the keyboard, keyboard backlit cables on to the connector on the palmrest. Next steps 1.
3. Remove the battery. 4. Remove the solid-state drive. 5. Remove the HDD. 6. Remove the WLAN card. 7. Remove the WWAN card. 8. Remove the inner frame. 9. Remove the memory module. 10. Remove the system board NOTE: System board can be removed with heatsink attached. 11.
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Steps 1. Locate the keyboard bracket slot on your computer. 2. Align and place the keyboard on the keyboard bracket. 3. Press down on the lattice at the snap points, in order to secure the keyboard assembly to the palmrest. NOTE: The keyboard has multiple snap points on the lattice side which must be pushed down firmly after the keyboard is replaced.
Power button Removing the power button with fingerprint reader Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the solid state drive. 5. Remove the HDD. 6. Remove the WLAN card.
About this task The figure indicates the location of the power button with fingerprint and provides a visual representation of the installation procedure. Steps 1. Locate the power button with fingerprint slot on your computer. 2. Align and place the power button with fingerprint into the slot on your computer. 3.
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About this task The figure indicates the location of the display assembly and provides a visual representation of the removal procedure. Disassembly and reassembly...
Steps 1. Locate the display cable, touchscreen cable and display hinges on your computer. 2. Peel back the tape and disconnect the touchscreen cable. 3. Remove the two (M2x3) screws that secure the EDP metal bracket to the computer. 4. Peel the tape that secures the display cable to the system board. 5.
Steps 1. Place the display assembly on a clean and flat surface. 2. Align and place the palm-rest and keyboard assembly on the display assembly. 3. Using the alignment posts, close the display hinges. 4. Connect the display cable to the system board and adhere the tape to secure the display cable. 5.
Steps 1. Use a plastic scribe to pry open the bottom edge of the display bezel beginning from the recesses near the hinges. 2. Work your way around the edges of the display bezel to release it from the display back cover and antenna assembly. 3.
Steps Align the display bezel with the display back-cover and antenna assembly, and gently snap the display bezel into place. Next steps 1. Install the display assembly. 2. Install the WWAN card. 3. Install the WLAN card. 4. Install the battery. 5.
5. Remove the display bezel. About this task The figure indicates the location of the hinge caps and provides a visual representation of the removal procedure. Steps 1. Locate the hinge cap on the display back cover. 2. Remove the two (M2x2.5) screws that secure the hinge caps to the chassis. 3.
Steps 1. Place the hinge caps and slide outward on the display hinges. 2. Replace the two (M2x2.5) screws to secure the hinge caps to the display hinge. Next steps 1. Install the display bezel. 2. Install the display assembly. 3.
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3. Remove the battery. 4. Remove the WLAN card. 5. Remove the WWAN card. 6. Remove the display assembly. 7. Remove the display bezel. 8. Remove the hinge caps. About this task The figure indicates the location of the display panel and provides a visual representation of the removal procedure. Disassembly and reassembly...
Steps 1. Locate the display panel on the display back cover assembly. 2. Remove the four (M2.5x3.5) screws that secure the display panel to the display assembly. 3. Lift to turn over the display panel to access the display cable. 4.
Steps 1. Connect the display cable to the connector and close the latch. 2. Adhere the adhesive strip to secure the display cable connector. 3. Adhere the conductive tape to secure the display cable connector. 4. Replace the four (M2.5x3.5) screws that secure the display panel to the display assembly. Next steps 1.
Steps After performing the steps in the pre-requisites, we are left with the palm-rest and keyboard assembly. Installing the palm-rest and keyboard assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the palm-rest and keyboard assembly and provides a visual representation of the installation procedure.
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Steps Place the palm-rest and keyboard assembly on a flat surface. Next steps 1. Install the system board. 2. Install the touchpad. 3. Install the DC-in port. 4. Install the power button with fingerprint reader. 5. Install the display assembly. 6.
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: ●...
You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Table 4. Diagnostic-light LED codes...
Table 5. Battery charge and status LED Indicator (continued) Power Source LED Behavior computer Power State Battery Charge Level AC Adapter Solid White S0 - S5 < Fully Charged Battery S0 - S5 11-100% Battery Solid Amber (590+/-3 nm) S0 - S5 <...
● 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.
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: ●...
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.
You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Table 8. Diagnostic-light LED codes...
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.
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...
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.