Dell D14S Service Manual
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Dell D14S Service Manual

Dell D14S Service Manual

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Inspiron 3252
Service Manual
Computer Model: Inspiron 3252
Regulatory Model: D14S
Regulatory Type: D14S001
Table of Contents
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Summary of Contents for Dell D14S

  • Page 1 Inspiron 3252 Service Manual Computer Model: Inspiron 3252 Regulatory Model: D14S Regulatory Type: D14S001...
  • 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........11 Technical overview..............12 ................12 Inside View Of Your Computer ................13 System-Board Components Removing the computer cover ..........14 ......................14 Procedure Replacing the computer cover ..........15...
  • Page 4 Replacing the front bezel............21 ......................21 Procedure ....................21 Post-requisites Removing the fan..............22 .....................22 Prerequisites ......................22 Procedure Replacing the fan...............25 ......................25 Procedure ....................25 Post-requisites Removing the heat sink............26 .....................26 Prerequisites ......................26 Procedure Replacing the heat sink............28 ......................
  • Page 5 Replacing the 3.5-inch hard drive.......... 37 ......................37 Procedure ....................37 Post-requisites Removing the 2.5-inch hard drives........38 .....................38 Prerequisites ......................39 Procedure Replacing the 2.5-inch hard drives........42 ......................42 Procedure ....................42 Post-requisites Removing the drive cage ............43 .....................43 Prerequisites ......................
  • Page 6 Replacing the wireless card.............54 ......................54 Procedure ....................55 Post-requisites Removing the antenna modules..........56 .....................56 Prerequisites ......................57 Procedure Replacing the antenna modules..........59 ......................59 Procedure ....................59 Post-requisites Removing the power-button module........60 ....................60 Prerequisites ......................60 Procedure Replacing the power-button module........
  • Page 7 ................... 69 Post-requisites .................. 70 Clearing CMOS Settings ....................70 Prerequisites ....................70 Procedure ....................71 Post-requisites Flashing the BIOS...............72 Getting help and contacting Dell........... 73 ..................73 Self-help resources ....................74 Contacting Dell...

  • Page 8: 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 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 • Flat-head screwdriver • Plastic scribe...

  • Page 11: 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 12: Technical Overview

    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. Inside View Of Your Computer drive cage memory module cooling assembly...

  • Page 13: System-Board Components

    System-Board Components fan-cable connector memory-module slot power-button cable connector wireless-card slot password jumper CMOS jumper drive power-cable connector primary hard-drive data cable connector optical-drive data-cable/ coin-cell battery secondary hard-drive data-cable connector...

  • Page 14: Removing The Computer 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 computer on its side with the vents facing up. Remove the screws that secure the computer cover to the chassis.

  • Page 15: Replacing The Computer Cover

    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 tabs on the computer cover with the slots on the chassis and slide it toward the front of the computer.

  • Page 16: Removing The Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.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 17 plastic scribe coin-cell battery battery socket...

  • Page 18: Replacing The Coin-Cell Battery

    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 With the positive-side facing up, snap the coin-cell battery into the battery socket.

  • Page 19: Removing The Front 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 www.dell.com/regulatory_compliance. Prerequisites Remove the computer cover. Procedure Place the computer in an upright position.
  • Page 20 Gently rotate and pull the front bezel away from the chassis. front-bezel tabs (3) chassis front bezel...

  • Page 21: Replacing The Front Bezel

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align and insert the tabs on the front bezel into the slots on the front panel.

  • Page 22: Removing The Fan

    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 computer cover. Remove the front bezel.
  • Page 23 Press the tab and slide the drive cage outward. drive cage screws (2) Disconnect the fan cable from the system board. Remove the screws that secure the fan to heat sink.
  • Page 24 Lift the fan, along with its cable, off the heat sink. screws (4) fan cable heat sink...

  • Page 25: Replacing The Fan

    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 fan on the heat sink. Align the screw holes on the fan with the screw holes on the heat sink.

  • Page 26: Removing The Heat Sink

    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 27 Lift the heat sink off the system board. heat sink captive screws (4)

  • Page 28: Replacing The Heat Sink

    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 cause damage to the system board and processor. NOTE: The original thermal grease can be reused if the original system board and heat sink are reinstalled together.

  • Page 29: Removing The Memory 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 www.dell.com/regulatory_compliance. Prerequisites Remove the computer cover. Remove the front bezel.
  • Page 30 Slide and remove the memory module from the memory-module slot. CAUTION: To prevent damage to the memory module, hold the memory module by the edges only. Do not touch the components on the memory module. memory module securing clips (2)

  • Page 31: Replacing The Memory 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. Procedure Align the notch on the memory module with the tab on the memory- module slot.

  • Page 32: Post-Requisites

    Insert the memory module into the memory-module slot 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 slot memory module securing clips (2) notch Post-requisites Replace the...

  • Page 33: Removing The 3.5-Inch Hard Drive

    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 computer cover. Remove the front bezel.
  • Page 34 Remove the screw that secures the hard-drive assembly to the drive cage. screws (2) hard-drive assembly power cable data cable...
  • Page 35 Using the pull-tab, slide the hard-drive assembly toward the inside of the computer and lift it off the drive cage. hard-drive assembly Turn the hard-drive assembly over. Remove the screws that secure the hard-drive bracket to the hard-drive assembly.
  • Page 36 Slide the hard drive out of the hard-drive bracket. screws (2) hard drive hard-drive bracket...

  • Page 37: Replacing The 3.5-Inch Hard Drive

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

  • Page 38: Removing The 2.5-Inch Hard Drives

    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 computer cover.

  • Page 39: Procedure

    Procedure Disconnect the power cable and the data cable from the hard drive. NOTE: Disconnect the cables from the second hard drive, if installed. hard-drive assembly data cable power cable Remove the screw that secures the hard-drive bracket to the drive cage.
  • Page 40 Slide and lift the hard-drive assembly off the drive cage. hard-drive assembly screw drive cage Remove the screws that secure the hard drive to the hard-drive bracket.
  • Page 41 Slide the hard drive out of the hard-drive bracket. hard drive hard-drive bracket screws (4) NOTE: Follow step 4 to step 5 to remove the second hard drive, if installed.

  • Page 42: Replacing The 2.5-Inch Hard Drives

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

  • Page 43: Removing The Drive Cage

    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 computer cover. Remove the front bezel.

  • Page 44: Procedure

    Procedure Disconnect the power cables and data cables from all the drives. NOTE: The number and type of drives varies depending on the configuration you ordered. drive cage hard-drive cable optical-drive cable power cable...
  • Page 45 3.5–inch hard drive: Remove the screws that secure the drive cage to the chassis, then press the tab and slide the drive cage outward. screws (3) 3.5–inch hard drive assembly...
  • Page 46 2.5–inch hard drive: Remove the screws that secure the drive cage to the chassis, then press the tab and slide the drive cage outward. 2.5–inch hard drive assembly screws (2)
  • Page 47 Turn the drive cage at an angle to release the tab on the drive cage from the slot on the chassis. drive cage Lift the drive cage off the chassis. Using the pull-tab, slide the 3.5 inch hard-drive assembly toward the inside of the computer and lift it, if installed.

  • Page 48: Replacing The Drive Cage

    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. Procedure Replace the optical drive, if applicable. Replace the 2.5–inch hard...

  • Page 49: Removing The Optical Drive

    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 computer cover. Remove the front bezel.
  • Page 50 Slide the optical-drive assembly out of the drive cage. NOTE: Note the orientation of the optical drive so that you can replace it correctly. optical-drive assembly drive cage screws (2) Carefully pull the optical-drive bezel and remove it from the optical drive. optical-drive bezel optical drive...

  • Page 51: Replacing The Optical Drive

    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 tabs on the optical-drive bezel with the slots on the optical drive and snap the optical-drive bezel into place.

  • Page 52: 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 computer cover. Remove the front bezel.
  • Page 53 Slide the wireless card out of the wireless-card slot. screw wireless-card bracket antenna cables (2) wireless card wireless-card slot...

  • Page 54: 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 55: Post-Requisites

    Replace the screw that secures the wireless card to the system board. wireless card notch antenna cables (2) wireless-card bracket screw Post-requisites Follow the procedure from step 4 to step 7 in ”Replacing the drive cage". Replace the front bezel. Replace the computer cover.

  • Page 56: Removing The Antenna 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 computer cover. Remove the front bezel.

  • Page 57: Procedure

    Procedure Gently slide the antenna cables through the routing hole on the chassis. routing hole antenna cables (2) Remove the screws that secure the antenna modules to the chassis.
  • Page 58 Using a plastic scribe, gently pry the antenna modules off the chassis. plastic scribe antenna cables (2) screws (2) antenna modules (2)

  • Page 59: Replacing The Antenna 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 screw holes on the antenna modules with the screw holes on the chassis.

  • 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 www.dell.com/regulatory_compliance. Prerequisites Remove the computer cover. Remove the front bezel.
  • Page 61 Slide the power-button module, along with its cable, through the slot on the front panel. power-button cable power-button module tabs (2)

  • Page 62: Replacing The Power-Button Module

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Slide the power-button cable through the slot on the chassis. Align and push the power-button module into the slot on the front panel till the clips on the module snap in place.

  • Page 63: 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 64 Remove the screw that secures the front panel to the chassis. front panel screw Press the tab down to release the front panel from the chassis and then rotate it outward. Remove the screws that secure the system board to the chassis.
  • Page 65 Starting from the back of the chassis, lift and slide the system board out of the chassis. screws (6) system board...

  • Page 66: 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 67 Replace the computer cover.

  • Page 68: Bios Setup Program

    Entering BIOS setup program Turn on (or restart) your computer. During POST, when the DELL logo is displayed, watch for the F2 prompt to appear and then press F2 immediately. NOTE: The F2 prompt indicates that the keyboard has initialized.

  • Page 69: Prerequisites

    Prerequisites Remove the computer cover. Remove the front bezel. Remove the drive cage. Procedure Remove the jumper plug from pins 2 and 3 and replace it on pins 1 and 2. Wait for 5 seconds. Remove the jumper plug from pins 1 and 2 and replace it on pins 2 and 3. jumper plug pin 1 pin 2...

  • Page 70: Clearing Cmos Settings

    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 computer cover. Remove the front bezel.

  • Page 71: Post-Requisites

    Remove the jumper plug from pins 1 and 2 and replace it on pins 2 and 3. jumper plug pin 1 pin 2 pin 3 Post-requisites Replace the drive cage. Replace the front bezel. Replace the computer cover.

  • Page 72: 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 73: 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 74: 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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Inspiron 3252

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