Dell XPS 15 9520 Service Manual

Dell XPS 15 9520 Manual

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  • Dell XPS 15 9520 | Service Manual - Page 1
    XPS 15 9520 Service Manual Part Number: P91F Regulatory Type: P91F003 April 2022 Rev. A01
  • Dell XPS 15 9520 | Service Manual - Page 2
    use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell
  • Dell XPS 15 9520 | Service Manual - Page 3
    Safety instructions...5 Electrostatic discharge-ESD protection...6 ESD field service kit ...6 Transporting sensitive components...7 After working inside your computer...7 Chapter 2: Removing and installing components 8 Recommended tools...8 Screw list...8 Major components of XPS-15 9520...9 Base
  • Dell XPS 15 9520 | Service Manual - Page 4
    drive in Windows 67 Updating the BIOS from the F12 One-Time boot menu 68 Chapter 5: Troubleshooting...69 Handling swollen Lithium-ion batteries...69 Locate the Service Tag or Express Service Code of your Dell computer 69 System diagnostic lights...70 SupportAssist diagnostics...71 Built-in self
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    and the contacts. CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that is shipped with the product or at
  • Dell XPS 15 9520 | Service Manual - Page 6
    may not be obvious, such as intermittent problems or a shortened product life span. As The more difficult type of damage to recognize and troubleshoot is the intermittent (also called latent or " on the system being worked on. Once deployed properly, service parts can be removed from the ESD bag and
  • Dell XPS 15 9520 | Service Manual - Page 7
    unmonitored kit, it is a best practice to regularly test the strap prior to each service call, and at a minimum, test once per week. A wrist strap tester is highly charged. ● Working Environment - Before deploying the ESD Field Service kit, assess the situation at the customer location. For example,
  • Dell XPS 15 9520 | Service Manual - Page 8
    2 Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #0 ● Phillips screwdriver #1 ● Torx #5 (T5)
  • Dell XPS 15 9520 | Service Manual - Page 9
    -rest and M2x4 keyboard assembly Palm-rest and M1.6x2.5 keyboard assembly Palm-rest and M2x1.5 keyboard assembly Quantity 4 2 2 3 2 4 4 1 2 6 3 Major components of XPS-15 9520 The following image shows the major components of XPS-15 9520. Screw image Removing and installing components 9
  • Dell XPS 15 9520 | Service Manual - Page 10
    8. Charger thermal bracket 9. Speaker 10. Display assembly 11. Palm-rest and keyboard assembly 12. Wireless-card bracket 13. I/O-board shield 14. I/O board 15. USB Type-C port bracket 16. I/O-board cable 17. Left fan 18. Display-assembly cable bracket 19. Solid-state drive 2 20. Solid-state drive
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    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. Base cover Removing the base cover
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    12 Removing and installing components
  • Dell XPS 15 9520 | Service Manual - Page 13
    damage to the pins. 2. Starting from the bottom-left corner, use a plastic scribe to pry the base cover in the direction of the arrows to release the base cover from the palm-rest and keyboard assembly. 3. Grasp the left side and the right side of the base cover and remove the
  • Dell XPS 15 9520 | Service Manual - Page 14
    of day not set". Enter the BIOS when this error appears and set the date and time on your computer to resume normal functionality. 4. Disconnect the battery cable . 5. Turn your computer over and press the power button for 15 seconds to drain the flea power. Installing the base cover Prerequisites
  • Dell XPS 15 9520 | Service Manual - Page 15
    several times and then an error message is displayed- "Time of day not set". Enter the BIOS when this error appears and set the date and time on your computer to resume normal functionality. 1. Follow the procedure in After working inside your computer. Battery Lithium-ion battery precautions
  • Dell XPS 15 9520 | Service Manual - Page 16
    to pry on or against the battery. ● Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or damage release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support
  • Dell XPS 15 9520 | Service Manual - Page 17
    Steps 1. Disconnect the battery cable from the system board, if it was not disconnected earlier. 2. Remove the four screws (M2x4) that secure the battery to the palm-rest and keyboard assembly. 3. Remove the four screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 4. Peel
  • Dell XPS 15 9520 | Service Manual - Page 18
    Steps 1. Align the screw holes on the battery with the screw holes on the palm-rest and keyboard assembly. 2. Adhere the tapes that secure the speaker cable to the battery. 3. Replace the four screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 4. Replace the four screws (
  • Dell XPS 15 9520 | Service Manual - Page 19
    Steps 1. Peel the bottom of the DDR jacket back to access the memory-module slot. 2. Use your fingertips to carefully spread apart the securing-clips on each end of the memory-module slot until the memory module pops up. 3. Remove the DDR jacket from the memory module. 4. Slide and remove the memory
  • Dell XPS 15 9520 | Service Manual - Page 20
    Installing the memory 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 memory modules and provides a visual representation of the installation procedure.
  • Dell XPS 15 9520 | Service Manual - Page 21
    5. Press the flaps of the DDR jacket back in place. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. Solid-state drive Removing the solid-state drive 1 Prerequisites 1. Follow the procedure in Before working inside your computer. CAUTION: Solid-
  • Dell XPS 15 9520 | Service Manual - Page 22
    3. Slide and remove the solid-state drive 1 from the solid-state drive slot. NOTE: The size of the solid-state drive thermal bracket varies based on the storage type. A solid-state drive thermal bracket that is designed for an M.2 2280 drive cannot accommodate an M.2 2230 drive and vice versa.
  • Dell XPS 15 9520 | Service Manual - Page 23
    4. Align the screw hole on the solid-state drive thermal bracket with the peg on the system board. NOTE: The size of the solid-state drive thermal bracket varies based on the storage type. A solid-state drive thermal bracket that is designed for an M.2 2280 drive cannot accommodate an M.2 2230 drive
  • Dell XPS 15 9520 | Service Manual - Page 24
    before performing the installation procedure. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. NOTE: Your computer supports two solid-state drive slots. Solid-state drive1 is the primary slot and solid-state drive2 is the secondary slot. If you are
  • Dell XPS 15 9520 | Service Manual - Page 25
    Steps 1. Align the notch on the solid-state drive 2 with the tab on the solid-state drive slot. 2. Gently slide the solid-state drive 2 into the solid-state drive slot. 3. Slide the solid-state drive thermal bracket into the peg on the system board, and align the screw hole on the solid-state drive
  • Dell XPS 15 9520 | Service Manual - Page 26
    About this task This computer supports two solid-state drive form factors. ● M.2 2230 ● M.2 2280 If you are replacing the M.2 2280 solid-state drive with an M.2 2230 solid-state drive, the following
  • Dell XPS 15 9520 | Service Manual - Page 27
    Steps 1. Peel the tape that secures the fan cable to the system board. 2. Disconnect the left fan cable from the system board. 3. Remove the two screws (M2x4) that secure the fan to the system board and palm-rest and keyboard assembly. CAUTION: Do not hold the fan assembly at the center, as it may
  • Dell XPS 15 9520 | Service Manual - Page 28
    Steps 1. Connect the fan cable to the system board. 2. Slide fan below the heat sink and align the screw holes on fan with the screw holes on the system board and palm-rest and keyboard assembly. 3. Replace the two screws (M2x4) that secure the fan to the system board and palm-rest and keyboard
  • Dell XPS 15 9520 | Service Manual - Page 29
    Steps 1. Remove the two screws (M2x4) that secure the I/O-board FPC bracket to the fan and palm-rest and keyboard assembly. 2. Lift the I/O-board FPC bracket off the system board. 3. Remove the screw (M2x4) that secures the fan to the system board. 4. Disconnect the fan cable from the system board.
  • Dell XPS 15 9520 | Service Manual - Page 30
    Steps 1. Slide fan below the heat sink and align the screw hole on fan with the screw hole on the palm-rest and keyboard assembly. 2. Replace the screw (M2x4) that secures the fan to the system board. 3. Connect the fan cable to the system board. 4. Align the screw holes on the I/O-board shield with
  • Dell XPS 15 9520 | Service Manual - Page 31
    Steps 1. In reverse sequential order (as indicated on the heat sink), loosen the four captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink Prerequisites If you are replacing a component, remove the existing component
  • Dell XPS 15 9520 | Service Manual - Page 32
    Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (as indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system board. Next steps 1. Install the base cover. 2. Follow the procedure in After
  • Dell XPS 15 9520 | Service Manual - Page 33
    (M2x2) that secure the speakers to the palm-rest and keyboard assembly. 4. Note the speaker cable routing, and remove the speaker cable from the routing guides on the palm-rest and keyboard assembly. 5. Lift the speakers, along with the cables, off the palm-rest and keyboard assembly. Installing the
  • Dell XPS 15 9520 | Service Manual - Page 34
    posts and rubber grommets, place the speakers on the slots of the palm-rest and keyboard assembly. 2. Route the speaker cable through the routing guides on the palm-rest and keyboard assembly. 3. Adhere the tapes that secure the speaker cable to the battery. 4. Replace the two screws (M2x2) that
  • Dell XPS 15 9520 | Service Manual - Page 35
    Steps 1. Disconnect the I/O-board cable from the system board and I/O board, then lift the I/O-board cable from the system board. 2. Remove the screw (M2x4) that secures the USB Type-C port bracket to the system board and lift the bracket off the I/O board. 3. Remove the screw (M2x4) securing the IO
  • Dell XPS 15 9520 | Service Manual - Page 36
    Steps 1. Place the I/O board on the palm-rest and keyboard assembly. 2. Connect the screw (M2x4) that secures the I/O board to the palm-rest and keyboard assembly. 3. Align the screw hole on the USB Type-C port bracket with the screw hole on the system board. 4. Connect the screw (M2x4) that secures
  • Dell XPS 15 9520 | Service Manual - Page 37
    Display assembly Removing the display assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following images indicate the location of the display assembly cable and display-assembly hinges and provide a visual
  • Dell XPS 15 9520 | Service Manual - Page 38
    38 Removing and installing components
  • Dell XPS 15 9520 | Service Manual - Page 39
    Steps 1. Loosen the three captive screws that secure the display-assembly cable bracket to the system board. 2. Lift the display-assembly cable bracket off the system board. 3. Remove the two screws (M1.6x3) that secure the display-assembly cable holder to the palm-rest and keyboard assembly. 4.
  • Dell XPS 15 9520 | Service Manual - Page 40
    40 Removing and installing components
  • Dell XPS 15 9520 | Service Manual - Page 41
    Steps 1. Slide the palm-rest and keyboard assembly under the display-assembly hinges. 2. Align the screw holes on the palm-rest assembly with the screw holes on the right and left display-assembly hinges. 3. Replace the four screws (M2.5x5.5) that secure the left hinge to the system board and the
  • Dell XPS 15 9520 | Service Manual - Page 42
    the system board. NOTE: The Service Tag of your computer is stored in the system board. Enter the Service Tag in the BIOS setup program of day not set". Enter the BIOS when this error appears and set the date and time on your computer to resume normal functionality. 2. Remove the base cover.
  • Dell XPS 15 9520 | Service Manual - Page 43
    Removing and installing components 43
  • Dell XPS 15 9520 | Service Manual - Page 44
    Steps 1. Loosen the three captive screws that secure the camera and display-assembly cable bracket in place. 2. Lift the camera and display-assembly cable bracket off the system board. 3. Remove the two screws (M1.6x3) that secure the display-assembly cable holder to the palm-rest and keyboard
  • Dell XPS 15 9520 | Service Manual - Page 45
    board, DO NOT separate it from the system board. 15. Lift the system board off the palm-rest and keyboard The Service Tag of your computer is stored in the system board. Enter the Service Tag the BIOS when this error appears and set the date and time on your computer to resume normal functionality
  • Dell XPS 15 9520 | Service Manual - Page 46
    Figure 2. System-board connectors 1. Fingerprint reader-board cable 2. Antenna cables 3. Keyboard control-board cable The following images indicate the location of the system board and provide a visual representation of the installation procedure. 46 Removing and installing components
  • Dell XPS 15 9520 | Service Manual - Page 47
    Removing and installing components 47
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    Steps 1. Hold the system board firmly at the top and bottom portions of the system board. CAUTION: DO NOT hold the system board at the sides on the left and right as it will damage the system board. 2. Place the system board on the palm-rest and keyboard assembly. 3. Align the screw holes on the
  • Dell XPS 15 9520 | Service Manual - Page 49
    the latch to secure the cable. 14. Thread the antenna cables through the clips on the system board and connect them to the wireless card. 15. Align the screw hole on the wireless-card bracket with the screw hole on the system board. 16. Replace the screw (M1.6x3) that secures
  • Dell XPS 15 9520 | Service Manual - Page 50
    off the LED-board cable from the palm-rest and keyboard assembly. 3. Note the LED board routing, and remove the LED board from the routing guides on the palm-rest and keyboard assembly. 4. Lift the LED board off the system board Installing the LED board Prerequisites If you are replacing a component
  • Dell XPS 15 9520 | Service Manual - Page 51
    Steps 1. Place the LED board on the system board following the routing guide on the palm-rest and keyboard assembly. 2. Adhere the LED-board cable to the palm-rest and keyboard assembly. 3. Connect the LED-board cable to
  • Dell XPS 15 9520 | Service Manual - Page 52
    13. Remove the system board. About this task After performing all the pre-requisites, you are left with the palm-rest and keyboard assembly. After performing the steps in the pre-requisites, you are left with the palm-rest and keyboard assembly. Installing the palm-rest and keyboard assembly
  • Dell XPS 15 9520 | Service Manual - Page 53
    Steps Place the palm-rest and keyboard assembly on a flat surface. Next steps 1. Install the system board. 2. Install the display assembly. 3. Install the I/O daughter board. 4. Install the left fan. 5. Install the right fan. 6. Install the heat sink. 7. Install the solid state drive2. 8. Install
  • Dell XPS 15 9520 | Service Manual - Page 54
    3 Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ 000123347. 54 Drivers and downloads
  • Dell XPS 15 9520 | Service Manual - Page 55
    4 System 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.
  • Dell XPS 15 9520 | Service Manual - Page 56
    menu Overview XPS 15 9520 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer. Asset Tag Displays the Asset Tag of the computer. Manufacture Date Displays the manufacture date of the computer. Ownership Date Displays the ownership date of
  • Dell XPS 15 9520 | Service Manual - Page 57
    Table 3. System setup options-System information menu (continued) Overview Battery State Displays the battery state. Health Displays the battery health. AC Adapter Displays whether an AC adapter is connected. If connected, the AC adapter type. PROCESSOR Processor Type Displays the
  • Dell XPS 15 9520 | Service Manual - Page 58
    Integrated Devices Date/Time Date Time Camera Enable camera Sets the computer date in MM/DD/YYYY format. Changes to the date take effect Support Enables or disables Thunderbolt Technology Support. Default: ON Enable Thunderbolt Boot Support Enables or disables Thunderbolt Boot Support
  • Dell XPS 15 9520 | Service Manual - Page 59
    BIOS updates through UEFI capsule update packages. Default: ON Absolute Enables, disables or permanently disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute Software. System setup 59
  • Dell XPS 15 9520 | Service Manual - Page 60
    Table 7. System setup options-Security menu (continued) Security Default: Enabled TPM 2.0 Security On Select whether or not the Trusted Platform Model (TPM) is visible to the OS. Default: ON PPI Bypass for Enable Commands Enables or disables the OS to skip BIOS Physical Presence Interface (PPI)
  • Dell XPS 15 9520 | Service Manual - Page 61
    Mode Key Management Selects the custom values for expert key management. Default: PK Table 11. System setup options-Performance menu Performance Multi-Core Support Active Cores Changes the number of CPU cores available to the operating system. The default value is set to the maximum number of
  • Dell XPS 15 9520 | Service Manual - Page 62
    Advanced Battery Charge Configuration from the beginning of the day to a specified work period. Advanced Battery Charged maximizes battery health while still supporting heavy use during the work day. Default: OFF Peak Shift Enables the computer to run on battery during peak power usage hours
  • Dell XPS 15 9520 | Service Manual - Page 63
    to turn on by a special LAN signal. Default: Disabled Intel Speed Shift Technology Enables or disables the Intel Speed Shift Technology support. Setting this option to enable allows the operating system to select the appropriate processor performance automatically. Default: ON Lid Switch Power
  • Dell XPS 15 9520 | Service Manual - Page 64
    NIC MAC address (in a supported dock or dongle) with the selected MAC address : System Unique MAC Address. Table 15. System setup options-Virtualization menu Virtualization in BIOS, the Asset Tag cannot be changed. Service Tag Displays the Service Tag of the computer. BIOS Recovery from Hard Drive
  • Dell XPS 15 9520 | Service Manual - Page 65
    disables the boot flow for SupportAssist operating system Recovery tool in the even of certain system errors. Default: ON BIOSConnect Enables or disables cloud Service OS recover if the main operating system fails to boot with the number of failures equal to or greater than the value specified by
  • Dell XPS 15 9520 | Service Manual - Page 66
    You can create a system password and a setup password to secure your computer. 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
  • Dell XPS 15 9520 | Service Manual - Page 67
    . 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You can also use the product ID or manually browse for your computer
  • Dell XPS 15 9520 | Service Manual - Page 68
    press Enter. The BIOS Update Utility appears. 8. Follow the on-screen instructions to complete the BIOS update. Updating the BIOS from the F12 One-Time option for your computer. If the option is listed, then the BIOS supports this BIOS update option. NOTE: Only computers with BIOS Flash Update option
  • Dell XPS 15 9520 | Service Manual - Page 69
    Service Code. To view relevant support resources for your Dell computer, we recommend entering the Service Tag or Express Service Code at www.dell.com/support. For more information on how to find the Service Tag for your computer, see Locate the Service Tag for your Dell Laptop. Troubleshooting
  • Dell XPS 15 9520 | Service Manual - Page 70
    patterns and associated problems. Table 20. LED codes Diagnostic light codes 1,1 1,2 1,3 1,4 1,5 1,6 2,1 2,2 2,3 2,4 2,5 2,6 2,7 2,8 3,1 3,2 3,3 3,4 3,5 3,6 3,7 Problem description TPM detection use. Caps Lock status light: Indicates whether Caps Lock is enabled or disabled. 70 Troubleshooting
  • Dell XPS 15 9520 | Service Manual - Page 71
    board embedded controller (EC) failures. NOTE: M-BIST can be manually initiated before POST (Power On Self Test). How to run M-BIST a. OFF: No fault detected with the system board b. AMBER: Indicates a problem with the system board 3. If there is a failure with the system board Troubleshooting 71
  • Dell XPS 15 9520 | Service Manual - Page 72
    the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop also download it from the Dell Support website to troubleshoot and fix your computer when it fails the instructions on how to conduct a WiFi power cycle: NOTE: Some ISPs (Internet Service
  • Dell XPS 15 9520 | Service Manual - Page 73
    performing a hard reset, search in the Knowledge Base Resource at www.dell.com/ support. Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system
  • Dell XPS 15 9520 | Service Manual - Page 74
    may or may not reset based on your custom BIOS setting selections: ● Boot List ● Enable Legacy Option ROMs ● Secure Boot Enable ● Allow BIOS Downgrade 74 Troubleshooting
  • Dell XPS 15 9520 | Service Manual - Page 75
    more about your computer through videos, manuals and documents. In Windows search, type Contact Support, and press Enter. www.dell.com/support/windows Your Dell computer is uniquely identified by a Service Tag or Express Service Code. To view relevant support resources for your Dell computer, enter
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XPS 15 9520
Service Manual
Part Number: P91F
Regulatory Type: P91F003
April 2022
Rev. A01