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Dell Inspiron 15-5551 Service Manual

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Inspiron 15
5000 Series
Service Manual
Computer Model: Inspiron 15–5551
Regulatory Model: P51F
Regulatory Type: P51F003

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Summary of Contents for Dell Inspiron 15-5551

  • Page 1 Inspiron 15 5000 Series Service Manual Computer Model: Inspiron 15–5551 Regulatory Model: P51F Regulatory Type: P51F003...
  • 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........10 .....................10 Before you begin ....................10 Safety instructions ..................11 Recommended tools After working inside your computer........13 Removing the battery............... 14 ......................14 Procedure Replacing the battery..............15 ......................15 Procedure Removing the optical drive............16 ..................... 16 Prerequisites ......................16 Procedure...
  • Page 4 Removing the memory modules..........22 .....................22 Prerequisites ......................22 Procedure Replacing the memory modules..........24 ......................24 Procedure ....................25 Post-requisites Removing the hard drive............26 .....................26 Prerequisites ......................26 Procedure Replacing the hard drive............30 ......................30 Procedure ....................30 Post-requisites Removing the wireless card.............31 .....................
  • Page 5 Removing the keyboard............37 .....................37 Prerequisites ......................37 Procedure Replacing the keyboard............40 ......................40 Procedure ....................40 Post-requisites Removing the computer base..........41 ..................... 41 Prerequisites ......................41 Procedure Replacing the computer base..........46 ......................46 Procedure ....................46 Post-requisites Removing the optical-drive interposer.........47 .....................47 Prerequisites ......................47...
  • Page 6 Removing the I/O board............53 .....................53 Prerequisites ......................53 Procedure Replacing the I/O board............55 ......................55 Procedure ....................55 Post-requisites Removing the heat-sink assembly......... 56 .....................56 Prerequisites ......................56 Procedure Replacing the heat-sink assembly......... 58 ......................58 Procedure ....................58 Post-requisites Removing the power-button module........60 ....................
  • Page 7 Removing the display assembly..........71 ..................... 71 Prerequisites ......................71 Procedure Replacing the display assembly..........74 ......................74 Procedure ....................74 Post-requisites Removing the display bezel.............75 .....................75 Prerequisites ......................75 Procedure Replacing the display bezel............. 77 ......................77 Procedure ....................77 Post-requisites Removing the display panel............ 78 .....................78 Prerequisites ......................78...
  • Page 8 Removing the display cable............ 85 .....................85 Prerequisites ......................85 Procedure Replacing the display cable............. 87 ......................87 Procedure ....................87 Post-requisites Removing the display back-cover and antenna assembly..................88 ....................88 Prerequisites ......................88 Procedure Replacing the display back-cover and antenna assembly..................
  • Page 9 Removing the palm-rest assembly.........97 .....................97 Prerequisites ......................97 Procedure Replacing the palm-rest assembly.........99 ......................99 Procedure ....................99 Post-requisites Flashing the BIOS..............100...

  • Page 10: Before Working Inside Your Computer

    Before working inside your computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin Save and close all open files and exit all open applications.

  • Page 11: 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 dell.com/regulatory_compliance.
  • Page 12 • Philips screwdriver • Plastic scribe...

  • Page 13: 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 14: Removing The Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Close the display and turn the computer over. Slide the battery latch to the unlocked position.

  • Page 15: Replacing The Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the tabs on the battery into the slots on the battery bay and snap the...

  • Page 16: Removing The Optical 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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Remove the screw that secures the optical-drive assembly to the computer base.
  • Page 17 Slide the optical-drive assembly out of the optical-drive bay. optical-drive assembly optical-drive slot plastic scribe screw Carefully pull the optical-drive bezel and remove it from the optical drive.
  • Page 18 Remove the screws that secure the optical-drive bracket to the optical drive and remove the optical-drive bracket. optical-drive bezel optical drive optical-drive bracket screws (2)

  • Page 19: Replacing The Optical Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw holes on the optical-drive bracket with the screw holes on the optical drive.

  • Page 20: Removing The Base Cover

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Close the display and turn the computer over.

  • Page 21: Replacing The Base Cover

    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 dell.com/regulatory_compliance. Procedure Slide the base cover into the computer base and snap the base cover into place.

  • Page 22: 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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 23 Remove the memory module from the memory-module slot. securing clips (2) memory-module slot memory module...

  • Page 24: 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 dell.com/regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory- module slot.

  • Page 25: Post-Requisites

    Slide the memory module firmly into the slot at an angle and 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 securing clips (2) memory-module slot Post-requisites Replace the...

  • Page 26: Removing The Hard Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at 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 27 Lift the hard-drive assembly out of the computer base using the hard- drive pull tab. hard-drive pull tab screws (4) hard-drive assembly hard-drive cable pull tab latch...
  • Page 28 Disconnect the interposer from the hard drive. hard-drive assembly interposer Remove the screws that secure the hard-drive bracket to the hard drive.
  • Page 29 Lift the hard-drive bracket out of the hard drive. screws (4) hard-drive bracket hard drive...

  • Page 30: 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 dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure Place the hard-drive bracket on the hard drive.

  • Page 31: 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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the base cover.
  • Page 32 Slide the wireless card out of the wireless-card slot. antenna cables (2) wireless-card bracket screw wireless card...

  • Page 33: 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 dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it.

  • Page 34: Removing The Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.
  • Page 35 plastic scribe coin-cell battery battery socket...

  • Page 36: Replacing The Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure With the positive-side facing up, snap the coin-cell battery into the battery socket on the system board.

  • Page 37: Removing The Keyboard

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Procedure Turn the computer over and, open the display.
  • Page 38 Slide the keyboard up to release it from the tabs on the palm-rest assembly. securing clips (5) plastic scribe keyboard tabs (6) palm-rest assembly Turn the keyboard over and place it on the palm-rest assembly.
  • Page 39 Lift the latches and disconnect the keyboard cable and backlight cable from the system board. backlight cable latches (2) keyboard cable keyboard Lift the keyboard off the palm-rest assembly.

  • Page 40: Replacing The Keyboard

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the keyboard cable and the backlight cable into the connectors on the system board and press down on the latches to secure the cables.

  • Page 41: Removing The Computer Base

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 42 Remove the screws that secure the computer base to the palm-rest assembly. screws (5) optical-drive cable latch Close the display and turn the computer over. Disconnect the speaker cable from its connector on the system board.
  • Page 43 Remove the screws that secure the computer base to the palm-rest assembly. screws (15) speaker cable Using your fingertips, pry up the computer base from the palm-rest assembly starting from the area around the display hinges.
  • Page 44 Lift the computer base off the palm-rest assembly and slide the antenna cables through the computer base. computer base tabs antenna cables Follow the procedure from step 2 to step 4 in ”Removing the speakers".
  • Page 45 Lift the optical-drive interposer along with the cable off the computer base. optical-drive interposer computer base...

  • Page 46: Replacing The Computer Base

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Replace the optical-drive interposer on the computer base. Follow the procedure from step 1 to step 3 in ”Replacing the...

  • Page 47: Removing The Optical-Drive Interposer

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 48 Lift the optical-drive interposer along with the cable off the computer base. computer base optical-drive interposer...

  • Page 49: Replacing The Optical-Drive Interposer

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Replace the optical-drive interposer on the computer base. Follow the procedure from step 3 to step 8 in ”Replacing the computer...

  • Page 50: 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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 51 Lift the speakers, along with the speaker cable, off the computer base. speakers (2) rubber grommets (4) speaker cable routing guides computer base...

  • Page 52: Replacing The Speakers

    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 dell.com/regulatory_compliance. Procedure Using the alignment posts on the computer base, place the speakers on the computer base.

  • Page 53: Removing The I/O Board

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 54 Lift the I/O board off the palm-rest assembly. I/O board screw latch pull-tab I/O-board cable...

  • Page 55: Replacing The I/O Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the I/O-board cable into the I/O-board cable connector and press down on the latch to secure the cable.

  • Page 56: Removing The Heat-Sink Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at 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 57 In sequential order (indicated on the heat-sink assembly), remove the screws that secure the heat-sink assembly to the system board. Lift the heat-sink assembly off the system board. screws (3) fan cable heat-sink assembly captive screws (3) system board...

  • Page 58: Replacing The Heat-Sink Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can cause damage to the system board and processor. NOTE: The original thermal grease can be reused if the original system board and fan are reinstalled together.
  • Page 59 Replace the battery.

  • Page 60: Removing The Power-Button Module

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 61 Slide the power-button board cable out through the slot on the palm- rest assembly. slot power-button board cable Close the display and turn the computer over. Remove the screw that secures the power-button board to the palm-rest assembly. Peel off the tape from the power-button board.
  • Page 62 Lift the power-button board at an angle along with the cable off the palm-rest assembly. power-button board cable screw tape power-button board...

  • Page 63: Replacing The Power-Button Module

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

  • Page 64: Removing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at 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 65 Lift the latch and disconnect the touchpad cable from the connector on the system board. power-button board cable touchpad cable latch Close the display panel and turn the computer over. Lift the latch and disconnect the display cable from the connector on the system board.
  • Page 66 Remove the screw that secures the system board to the palm-rest assembly. screw display cable latch system board Carefully lift the system board from the inner edge and release the ports from the slots on the palm-rest assembly.
  • Page 67 Turn the system board over. system board Lift the latch and disconnect the I/O-board cable from the system board. 10 Disconnect the power-adapter port cable from the system board.
  • Page 68 11 Lift the system board off the palm-rest assembly. latch I/O-board cable system board power-adapter port cable...

  • Page 69: Replacing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at 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 70 Follow the procedure from step 3 to step 8 in ”Replacing the computer base". Replace the keyboard. Replace the wireless card. Replace the hard drive. Replace the base cover. Replace the optical drive. Replace the battery.

  • Page 71: 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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 72 Note the display cable routing and remove the cable from its routing guides. antenna cables routing guides system board display cable latch Turn the computer over. Open the display at an angle of 90 degrees. Place the computer on the edge of the table so that the palm-rest assembly is on the table and the display assembly extends past the table edge with the display hinges facing up.
  • Page 73 Lift the display assembly off the palm-rest assembly. palm-rest assembly screws (4) display assembly...

  • Page 74: Replacing The Display Assembly

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

  • Page 75: Removing The Display Bezel

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 76 Remove the display bezel off the display back-cover. display bezel display back-cover...

  • Page 77: Replacing The Display Bezel

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the display bezel with the display back-cover, and gently snap the display bezel into place.

  • Page 78: Removing The Display Panel

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 79 Gently lift the display panel and turn it over. screws (4) display panel Peel the tape adhered over the display cable.
  • Page 80 Disconnect the display cable from the display-panel cable connector. display panel display cable tape Lift the display panel away from the display back-cover.

  • Page 81: Replacing The Display Panel

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Connect the display cable to the display-panel connector. Adhere the tape that secures the display cable.

  • Page 82: Removing The Display Hinges

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 83 Lift the display hinges off the display back-cover. screws (8) display hinges (2)

  • Page 84: Replacing The Display Hinges

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

  • Page 85: Removing The Display Cable

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 86 Note the display cable routing and remove the display cable from the display back-cover. display cable routing guides tape camera cable camera module...

  • Page 87: Replacing The Display Cable

    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 dell.com/regulatory_compliance. Procedure Route the display cable through the routing guides on the display back- cover.

  • Page 88: Removing The Display Back-Cover And Antenna 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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 89 display back-cover and antenna assembly...

  • Page 90: Replacing The Display Back-Cover And Antenna 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 dell.com/regulatory_compliance. Procedure Place the display back-cover on a flat surface. Post-requisites Replace the display cable.

  • Page 91: Removing The Camera

    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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 92 Lift the camera off the display back-cover. camera cable plastic scribe camera display back-cover...

  • Page 93: Replacing The Camera

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Using the alignment post, adhere the camera on the display back-cover. Connect the camera cable to the camera connector.

  • Page 94: 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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 95 Lift the power-adapter port, along with its cable, off the palm-rest assembly. screw power-adapter port power-adapter port cable routing guides...

  • Page 96: Replacing The Power-Adapter Port

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the power-adapter port into position. Replace the screw that secures the power-adapter port to the palm-rest assembly.

  • Page 97: 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 dell.com/regulatory_compliance. Prerequisites Remove the battery. Remove the optical drive.
  • Page 98 palm-rest assembly touchpad cable...

  • Page 99: 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 dell.com/regulatory_compliance. Procedure Place the palm-rest assembly on a flat surface. Post-requisites Replace the power-adapter port.

  • Page 100: 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 dell.com/support. Click Product Support, enter the Service Tag of your laptop and click Submit.

This manual is also suitable for:

Inspiron 15 5000 seriesP51fP51f003

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