Dell Inspiron 3268 Service Manual
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Dell Inspiron 3268 Service Manual

Dell Inspiron 3268 Service Manual

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Inspiron 3268
Service Manual
Computer Model: Inspiron 3268
Regulatory Model: D13S
Regulatory Type: D13S002

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Summary of Contents for Dell Inspiron 3268

  • Page 1 Inspiron 3268 Service Manual Computer Model: Inspiron 3268 Regulatory Model: D13S Regulatory Type: D13S002...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents Before working inside your computer......9 ..................9 Before you begin After working inside your computer......10 Safety instructions............11 Recommended tools.............13 Screw list..............14 Inside view of your computer........15 System board components...........16 Removing the computer cover ........18 ....................
  • Page 4 Removing the fan shroud..........24 ................... 24 Prerequisites ....................24 Procedure Replacing the fan shroud..........26 ....................26 Procedure ..................26 Post-requisites Removing the 2.5-inch hard drives......27 ................... 27 Prerequisites ....................28 Procedure Replacing the 2.5-inch hard drives....... 31 ....................31 Procedure ..................31 Post-requisites...
  • Page 5 Removing the memory modules........42 ................... 42 Prerequisites ....................42 Procedure Replacing the memory modules........44 ....................44 Procedure ..................45 Post-requisites Removing the coin-cell battery........46 ................... 46 Prerequisites ....................47 Procedure Replacing the coin-cell battery........48 ....................48 Procedure ..................
  • Page 6 Removing the power-button module......56 ................... 56 Prerequisites ....................56 Procedure Replacing the power-button module......58 ....................58 Procedure ..................58 Post-requisites Removing the chassis fan..........59 ................... 59 Prerequisites ....................59 Procedure Replacing the chassis fan..........61 ....................61 Procedure ..................61 Post-requisites Removing the power-supply unit.........
  • Page 7 Removing the processor heat-sink......69 ................... 69 Prerequisites ....................69 Procedure Replacing the processor heat-sink........71 ....................71 Procedure ..................71 Post-requisites Removing the system board.........72 ................... 72 Prerequisites ....................73 Procedure Replacing the system board.........76 ....................76 Procedure ..................77 Post-requisites BIOS setup program............
  • Page 8 Getting help and contacting Dell........83 ................. 83 Self-help resources ..................83 Contacting Dell...

  • Page 9: Before Working Inside Your Computer

    Before working inside your computer 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. Shut down your computer. Click Start → Power →...

  • 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, or cables you removed before working on your computer.

  • Page 11: Safety Instructions

    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/...

  • Page 13: Recommended Tools

    Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver • Plastic scribe...

  • Page 14: Screw List

    Screw list The following table provides the list of screws that are used for securing different components to the computer. Table 1. Screw list Component Secured to Screw type Quantity Computer cover Chassis #6-32xL6.35 2.5-inch hard drive Drive cage #6-32xL6.35 2.5-inch hard drive Hard-drive bracket #6-32xL3.6 3.5-inch hard drive Drive cage #6-32xL6.35...

  • Page 15: Inside View Of Your Computer

    Inside view of your computer system board memory modules processor fan and heat-sink 2.5-inch hard-drive assembly assembly drive cage chassis fan power-supply unit...

  • Page 16: System Board Components

    System board components...
  • Page 17 power-button cable connector wireless-card slot coin-cell battery hard drive and optical drive power- cable connector chassis-fan cable connector SATA 0 connector SATA 2 connector power-supply unit cable connector SATA 1 connector memory-module slots (2) graphics card slot (PCIe x16) PCI-card slot(PCIe x1) CMOS jumper password jumper service-mode jumper...

  • Page 18: 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. Remove the two screws (#6-32xL6.35) that secure the cover to the chassis.

  • Page 19: 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 towards the front of the computer.

  • Page 20: 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 21 Grasp and release the front bezel tabs sequentially from the top, by moving them outward from the chassis.
  • Page 22 Rotate and pull the front bezel away from the front of the computer to release the front bezel tabs from the front panel slots.

  • Page 23: 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 front bezel tabs into the front panel slots. Rotate the front bezel towards the chassis until the front-bezel tabs snap into place.

  • Page 24: Removing The Fan Shroud

    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 Grasp and release the fan shroud tabs sequentially from the bottom, by moving...
  • Page 25 Lift the fan shroud off the processor fan and heat-sink assembly.

  • Page 26: Replacing The Fan Shroud

    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 fan shroud clamps into the slots on the processor fan and heat sink.

  • Page 27: 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 28: Procedure

    Procedure Disconnect the power cables and the data cables from the hard drive. Remove the screw (#6-32xL3.6) that secures the hard-drive assembly to the drive cage.
  • Page 29 Slide and lift the hard-drive bracket out of the slot on the drive cage. Remove the four screws (M3xL3.5) that secure the top hard drive to the hard- drive bracket.
  • Page 30 Lift the top hard drive off the hard drive bracket. NOTE: Note the orientation of the hard drive so that you can replace it correctly. Remove the four screws (M3xL3.5) that secure the bottom hard drive to the hard-drive bracket. Slide the bottom hard drive out of the hard-drive bracket.

  • Page 31: 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 bottom hard drive into the hard-drive bracket. Align the screw holes on the bottom hard drive with the screw holes on the hard-drive bracket.

  • Page 32: 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. Procedure Disconnect the power cable and the data cable from the hard drive.
  • Page 33 Remove the two screws (#6-32xL6.35) that secure the hard-drive assembly to the drive cage.
  • Page 34 Using the pull-tab, slide the hard-drive assembly toward the inside of the computer and lift it off the drive cage. Turn the hard-drive assembly over. Remove the two screws (#6-32xL3.6) that secure the hard-drive bracket to the hard-drive assembly.
  • Page 35 Slide the hard drive out of the hard-drive bracket.

  • Page 36: 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 37: 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 38 Push the release tab on the chassis and slide the drive cage to release it from the chassis Disconnect the data cable and power cable from the optical drive. Disconnect the data cables and power cables from the hard drives.
  • Page 39 Lift the drive cage out of the chassis. Remove the three screws (M2xL2) that secure the optical drive to the drive cage.
  • Page 40 Slide the optical drive out of the optical-drive bracket. Gently pull and disconnect the optical-drive bezel from the optical drive.

  • Page 41: 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 and snap the optical-drive bezel to the optical drive. Align the screw holes on the optical drive with the screw holes on the drive cage.

  • 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 computer cover. Remove the front bezel.
  • Page 43 Lift the memory module out of the memory-module slot. NOTE: If the memory module is difficult to remove, gently ease the memory module back and forth to remove it from the slot.

  • Page 44: Replacing The Memory Modules

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Ensure that the securing clips are extended away from the memory-module slot. Align the notch on the memory module with the tab on the memory-module slot.

  • Page 45: Post-Requisites

    Insert the memory module into the memory-module slot and press the memory module down until it snaps into position and the securing clips lock in place. Post-requisites Follow the procedure from step 4 to step 6 in “Replacing the optical drive”.

  • Page 46: 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 47: Procedure

    Procedure Using a plastic scribe, pry the coin-cell battery out of its socket.

  • Page 48: Replacing 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. Procedure Insert a new coin-cell battery (CR2032) into the battery socket with the positive side facing up, and snap the battery into place.

  • Page 49: 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 50 Slide and remove the wireless card from the wireless-card slot.

  • Page 51: Replacing The Wireless Card

    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 wireless card with the tab on the wireless-card slot. Slide the wireless card at an angle into the wireless-card slot.

  • Page 52: Post-Requisites

    Replace the screw (M2xL3.5) that secures the wireless card to the system board. Post-requisites Follow the procedure from step 5 to step 8 in “Replacing the optical drive”. Replace the front bezel. Replace the computer cover.

  • Page 53: 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 54 Using a plastic scribe, gently pry the antenna modules off the side-chassis.

  • Page 55: Replacing The Antenna Modules

    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 antenna modules with the bump on the chassis and adhere the antenna modules to the chassis..

  • Page 56: 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 57 Remove the power-button module along with its cable through the slot on the front panel.

  • Page 58: 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 Route the power-button board cable through the slot on the front panel. Align and snap the power-button module into the slot on the front panel.

  • Page 59: Removing The Chassis 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 60 Remove the chassis fan from the chassis.

  • Page 61: Replacing The Chassis Fan

    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 chassis fan with the screw holes on the chassis. Replace the four screws (#6-32xL6.35) that secure the chassis fan to the chassis.

  • Page 62: Removing The Power-Supply Unit

    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 63 Note the power-supply unit cable routing and remove the power-supply unit cable from the routing guides on the chassis. Remove the three screws (#6-32xL6.35) that secure the power-supply unit to the chassis. Press the clamp and slide the power-supply unit towards the front of the chassis to release it from the chassis.
  • Page 64 Lift the power-supply unit, along with the cables, off the chassis.

  • Page 65: Replacing The Power-Supply Unit

    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-supply unit on the chassis. Slide the power-supply unit towards the back of the chassis until it snaps into place.

  • Page 66: Removing The Processor 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 shroud.
  • Page 67 Lift the processor fan off the processor heat sink.

  • Page 68: Replacing The Processor Fan

    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 processor fan with the screw holes on the heat sink.

  • Page 69: Removing The Processor 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: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease.
  • Page 70 Lift the heat-sink assembly off the system board.

  • Page 71: Replacing The Processor 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: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease.

  • Page 72: 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 73: Procedure

    Procedure NOTE: Note the routing of all cables as you remove them so that you can reroute them correctly after you replace the system board. For information on system board connectors, see “System board components’. Remove the screw (#6-32xL6.35) that secures the front I/O bracket to the chassis.
  • Page 74 10 Disconnect the power-supply unit cable from the system board. Remove the six screws (#6-32xL6.35) that secure the system board to the chassis.
  • Page 75 Slide and lift the system board at an angle to remove it from the chassis.

  • Page 76: 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 77: Post-Requisites

    Post-requisites Replace the processor heat sink. Replace the processor fan. Replace the wireless card. Replace the memory modules. Follow the procedure from step 5 to step 8 in “Replacing the optical drive”. Replace the shroud. Replace the front bezel. Replace the computer cover.

  • Page 78: 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 is initialized. This prompt can appear very quickly, so you must watch for it, and then press F2.

  • Page 79: Procedure

    Procedure Locate the password jumper on the system board. NOTE: For more information on the location of the jumper, see System-board components. Remove the jumper plug from the password jumper-pins. Wait for 5 seconds and then replace the jumper plug in its original location. Post-requisites Replace the computer...

  • Page 80: 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. Procedure Locate the CMOS jumper on the system board.

  • Page 81: Post-Requisites

    Wait for 5 seconds and then replace the jumper plug to its original location. Post-requisites Replace the computer cover.

  • Page 82: 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 your computer. Go to www.dell.com/support. Click Product support, enter the Service Tag of your computer, and then click Submit.
  • Page 83 Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 2. Self-help resources Information about Dell products and www.dell.com services Dell Help & Support app Get started app...
  • Page 84 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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