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XPS 15
Service Manual
Computer Model: XPS 9550
Regulatory Model: P56F
Regulatory Type: P56F001

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   Summary of Contents for Dell XPS 15

  • Page 1: Service Manual

    XPS 15 Service Manual Computer Model: XPS 9550 Regulatory Model: P56F Regulatory Type: P56F001...

  • Page 2

    WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks ™...

  • Page 3: Table Of Contents

    Contents Before working inside your computer........8 ....................8 Before you begin ....................8 Safety instructions ..................9 Recommended tools After working inside your computer........10 Removing the base cover............11 ......................11 Procedure Replacing the base cover............13 ......................13 Procedure Removing the battery............... 14 .....................

  • Page 4

    Removing the solid-state drive (half-length).......22 .....................22 Prerequisites ......................22 Procedure Replacing the solid-state drive (half-length)....... 25 ......................25 Procedure ....................25 Post-requisites Removing the solid-state drive (full-length)......26 .....................26 Prerequisites ......................26 Procedure Replacing the solid-state drive (full-length)......28 ......................28 Procedure ....................28 Post-requisites Removing the speakers............

  • Page 5

    Removing the fans..............35 .....................35 Prerequisites ......................35 Procedure Replacing the fans..............38 ......................38 Procedure ....................38 Post-requisites Removing the heat-sink assembly......... 39 .....................39 Prerequisites ......................39 Procedure Replacing the heat-sink assembly..........41 ......................41 Procedure ....................41 Post-requisites Removing the memory modules..........42 .....................42 Prerequisites ......................

  • Page 6

    Removing the keyboard............52 .....................52 Prerequisites ......................52 Procedure Replacing the keyboard............56 ......................56 Procedure ....................56 Post-requisites Removing the display assembly..........57 .....................57 Prerequisites ......................57 Procedure Replacing the display assembly..........61 ......................61 Procedure ....................61 Post-requisites Removing the power-adapter port........62 .....................62 Prerequisites ......................

  • Page 7

    ......................74 Procedure ....................74 Post-requisites Removing the palm-rest assembly.........75 .....................75 Prerequisites ......................75 Procedure Replacing the palm-rest assembly......... 77 ......................77 Procedure ....................77 Post-requisites Flashing the BIOS..............78 Getting help and contacting Dell........... 79 ..................79 Self-help resources ....................80 Contacting Dell...

  • Page 8: Before Working Inside Your Computer

    Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.

  • Page 9: Recommended Tools

    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 shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 10: After Working Inside Your Computer

    After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Replace all screws and ensure that no stray screws remain inside your computer. Connect any external devices, peripherals, and cables you removed before working on your computer.

  • Page 11: Removing The Base Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Close the display and turn the computer over. Turn the system badge over and place it on the base cover.

  • Page 12

    Using your fingertips, gently pry the base cover off the palm-rest assembly. base cover...

  • Page 13: Replacing The Base Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the base cover on the palm-rest assembly and snap it into place. Replace the screws that secure the base cover to the palm-rest assembly.

  • Page 14: Removing The Battery

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Procedure NOTE: The images in this document may differ from your computer depending on the configuration you ordered.

  • Page 15

    Lift the battery off the palm-rest assembly. battery cable screws (4) battery palm-rest assembly Turn the computer over, open the display, and press the power button for five seconds to ground the system board.

  • Page 16: Replacing The Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the battery with the screw holes on the palm- rest assembly.

  • Page 17: Removing The Hard Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.

  • Page 18

    Lift the hard-drive cage off the hard-drive assembly. screws (4) hard-drive cage hard-drive assembly Using the pull tab disconnect the hard-drive cable from the system board.

  • Page 19

    Lift the hard-drive assembly off the palm-rest assembly. pull tab hard-drive assembly Disconnect the hard-drive interposer from the hard-drive assembly. hard-drive assembly hard-drive interposer...

  • Page 20

    Remove the hard-drive covers away from the hard drive. hard-drive covers (2) hard drive...

  • Page 21: Replacing The Hard Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure Replace the hard-drive covers on the hard drive.

  • Page 22: Removing The Solid-state Drive (half-length)

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state.

  • Page 23

    Lift and slide the solid-state drive assembly from the system board. screw solid-state drive assembly solid-state drive slot system board Remove the screw that secures the solid-state drive to the solid-state drive bracket. solid-state drive bracket screw solid-state drive...

  • Page 24

    Lift the solid-state drive off the solid-state drive bracket.

  • Page 25: Replacing The Solid-state Drive (half-length)

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive. Procedure Align the screw hole on the solid-state drive bracket with the screw hole on the solid-state drive.

  • Page 26: Removing The Solid-state Drive (full-length)

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state.

  • Page 27

    Lift and slide the solid-state drive from the system board. screw thermal pad solid-state drive slot solid-state drive Peel the thermal pad off the solid-state drive. thermal pad solid-state drive...

  • Page 28: Replacing The Solid-state Drive (full-length)

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive. Procedure Adhere the thermal pad to the solid-state drive.

  • Page 29: Removing The Speakers

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the battery.

  • Page 30

    Lift the speakers, along with the speaker cable, off the palm-rest assembly. speaker cable screws (4) speakers (2) palm-rest assembly...

  • Page 31: Replacing The Speakers

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Using the alignment posts, place the speakers on the palm-rest assembly. Replace the screws that secure the speakers to the palm-rest assembly.

  • Page 32: Removing The Wireless Card

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the battery.

  • Page 33

    Slide and remove the wireless card out of the wireless-card slot. screw wireless-card bracket wireless card antenna cables (3)

  • Page 34: Replacing The Wireless Card

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it.

  • Page 35: Removing The Fans

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the battery.

  • Page 36

    Lift the video fan (JFAN_2) away from the palm-rest assembly. routing guide touch-screen cable (optional) tape fan cable video fan (JFAN_2) screws (2) Remove the screws that secure the processor fan (JFAN_1) to the system board. Note the routing of the display cable and remove the cable from the processor fan (JFAN_1).

  • Page 37

    10 Lift the processor fan (JFAN_1) away from the palm-rest assembly. routing guide display cable fan cable processor fan (JFAN_1) screws (2)

  • Page 38: Replacing The Fans

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the processor fan (JFAN_1) with the screw holes on the palm-rest assembly.

  • Page 39: Removing The Heat-sink Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.

  • Page 40

    Lift the heat-sink assembly off the system board. heat-sink assembly screws (6)

  • Page 41: Replacing The Heat-sink Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor. NOTE: The original thermal grease can be reused if the original system board and fan are reinstalled together.

  • Page 42: Removing The Memory Modules

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the battery.

  • Page 43

    Slide and remove the memory module from the memory-module slot. memory module securing clips (2) memory-module slot...

  • Page 44: Replacing The Memory Modules

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory- module slot.

  • Page 45: Post-requisites

    Slide the memory module firmly into the slot at an angle and gently 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. memory module notch memory-module slot securing clips...

  • Page 46: Removing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

  • Page 47

    Disconnect the display cable from the system board. display-cable bracket screw display cable...

  • Page 48

    Disconnect the power-adapter port cable, speaker cable, keyboard- control board cable, touch-pad cable, and touch-screen cable from the system board. power-adapter port cable speaker cable keyboard-control board touch-pad cable cable touch-screen cable (optional) Remove the screws that secure the system board to the palm-rest assembly.

  • Page 49

    Lift the system board off the palm-rest assembly. system board screws (5) palm-rest assembly...

  • Page 50: Replacing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

  • Page 51

    Replace the hard drive. Replace the wireless card. Replace the battery. Replace the base cover.

  • Page 52: Removing The Keyboard

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the battery.

  • Page 53

    Peel off the Mylar to access the screws that secure the keyboard to the palm-rest assembly. Mylar keyboard cable latches (2) keyboard-backlight cable Remove the screws that secure the keyboard to the palm-rest assembly.

  • Page 54

    Lift the keyboard off the palm-rest assembly. screws (31) keyboard palm-rest assembly...

  • Page 55

    Peel off the Mylar from the keyboard. mylar keyboard keyboard...

  • Page 56: Replacing The Keyboard

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Adhere the Mylar to the keyboard. Align the screw holes on the keyboard with the screw holes on the palm- rest assembly.

  • Page 57: Removing The Display Assembly

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the battery.

  • Page 58

    Peel off the tape and remove the touch-screen cable from the routing guides on the fan. touch-screen cable tape (optional) display-cable bracket screw display cable Turn the computer over and open the display at an angle of 90 degrees. Rotate the computer and place it on the edge of the table in a position that allows access to the screws on the display hinges.

  • Page 59

    Carefully lift the display assembly from the palm-rest assembly palm-rest assembly screws (6) display hinges (2) display assembly...

  • Page 60

    Carefully place the display assembly on a clean, flat surface. display assembly...

  • Page 61: Replacing The Display Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the palm-rest assembly at the edge of the table with the speakers facing away from the edge.

  • Page 62: Removing The Power-adapter Port

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the battery.

  • Page 63

    Lift the power-adapter port along with its cable, off the palm-rest assembly. screw power-adapter port power-adapter port cable...

  • Page 64: Replacing The Power-adapter Port

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the power-adapter port into the slot on the palm-rest assembly. Route the power-adapter port cable through its routing guides on the palm-rest assembly.

  • Page 65: Removing The Antenna Cover

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the battery.

  • Page 66

    Slide and lift the antenna cover away from the display assembly. display assembly antenna cover...

  • Page 67: Replacing The Antenna Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Replace the antenna cover on the display assembly. Turn the display hinges to the normal position.

  • Page 68: Removing The Display Hinges

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites NOTE: These instructions are applicable only for laptops with a non- touchscreen display.

  • Page 69: Procedure

    Procedure Peel off the tape to access the screws on the display hinges. tape display hinges (2) Remove the screws that secure the display hinges to the display assembly.

  • Page 70

    Carefully lift the display hinges off the display assembly. screws (6) display hinges (2)

  • Page 71: Replacing The Display Hinges

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the display hinges with the screw holes on the display assembly.

  • Page 72: Removing The Antenna Module

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites NOTE: These instructions are applicable only for laptops with a non- touchscreen display.

  • Page 73

    Lift the antenna module away from the display assembly. tape antenna cable screws (4) antenna module display assembly...

  • Page 74: Replacing The Antenna Module

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the antenna module with the screw holes on the display assembly.

  • Page 75: Removing The Palm-rest Assembly

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the battery.

  • Page 76

    palm-rest assembly...

  • Page 77: Replacing The Palm-rest Assembly

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the palm-rest assembly on a clean and flat surface. Post-requisites Replace the keyboard.

  • Page 78: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: Turn on the computer. Go to www.dell.com/support. Click Product Support, enter the Service Tag of your computer and click Submit.

  • Page 79: Getting Help And Contacting Dell

    Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Information about Dell products and www.dell.com services Windows 8.1 and Windows 10 Dell Help & Support app Windows 10 Get started app Windows 8.1...

  • Page 80: Contacting Dell

    Contacting Dell To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell. NOTE: Availability varies by country and product, and some services may not be available in your country. NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.

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Xps 15 9550

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