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Dell Inspiron 3521/5521
Owner's Manual
Computer model: Inspiron 3521/5521
Regulatory model: P28F
Regulatory type: P28F001

Summary of Contents

  • Page 1

    Dell Inspiron 3521/5521 Owner’s Manual Computer model: Inspiron 3521/5521 Regulatory model: P28F Regulatory type: P28F001...

  • Page 2

    , and the Windows start button logo are either trademarks or registered ® trademarks of Microsoft Corporation in the United States and/or other countries; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license. 2012 - 11 Rev. A00...

  • Page 3: Table Of Contents

    Contents Before You Begin ......Turn Off Your Computer and Connected Devices . . . Safety Instructions .

  • Page 4: Table Of Contents

    11 Removing the Keyboard ....Prerequisites ......Procedure .

  • Page 5: Table Of Contents

    21 Removing the Coin-Cell Battery ... Prerequisites ......Procedure .

  • Page 6: Table Of Contents

    31 Removing the Display Bezel ....Prerequisites ......Procedure .

  • Page 7: Before You Begin, Turn Off Your Computer And Connected Devices, Safety Instructions

    For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the power source.

  • Page 8: Recommended Tools

    CAUTION: Only a certified service technician is authorized to remove the computer cover and access any of the components inside the computer. See the safety instructions for complete information about safety precautions, working inside your computer, and protecting against electrostatic discharge. CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer.

  • Page 9: After Working Inside Your Computer

    After Working Inside Your Computer After you complete the replacement procedures, ensure the following: • Replace all screws and ensure that no stray screws remain inside your computer. • Connect any external devices, cables, cards, and any other part(s) you removed before working on your computer.

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    After Working Inside Your Computer...

  • Page 11: Removing The Battery, Procedure

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Close the display and turn the computer over.

  • Page 12

    Removing the Battery...

  • Page 13: Replacing The Battery, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the tabs on the battery with the slots on the battery bay and snap the battery into place.

  • Page 14

    Replacing the Battery...

  • Page 15: Removing The Memory Module(s), Prerequisites, Procedure

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

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    Use your fingertips to carefully spread apart the securing clips on each end of the memory-module connector until the memory module pops up. Remove the memory module from the memory-module connector. securing clips (2) memory-module connector memory module Removing the Memory Module(s)

  • Page 17: Replacing The Memory Module(s), Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory-module connector.

  • Page 18

    Replacing the Memory Module(s)

  • Page 19: Removing The Optical-drive Assembly, Prerequisites, Procedure

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

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    Remove the screws that secure the optical-drive bracket to the optical-drive assembly. Remove the optical-drive bracket from the optical-drive assembly. Carefully pry the optical-drive bezel and remove it from the optical-drive assembly. optical-drive bezel optical drive screws (2) optical-drive bracket Removing the Optical-Drive Assembly...

  • Page 21: Replacing The Optical-drive Assembly, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the tabs on the optical-drive bezel with the slots on the optical drive and snap optical-drive bezel into place.

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    Replacing the Optical-Drive Assembly...

  • Page 23: Removing The Hard-drive Assembly, Prerequisites, Procedure

    Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in Sleep or On state.

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    Using the pull-tab, lift the hard-drive assembly out of the computer base. hard-drive assembly pull-tab Remove the screws that secure the hard-drive bracket to the hard drive. Lift the hard-drive bracket off the hard drive. screws (2) hard-drive bracket Removing the Hard-Drive Assembly...

  • Page 25: Replacing The Hard-drive Assembly, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. CAUTION: Hard drives are extremely fragile. Exercise care when handling the hard drive.

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    Replacing the Hard-Drive Assembly...

  • Page 27: Removing The Keyboard, Prerequisites, Procedure

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

  • Page 28

    Lift and slide the keyboard towards the display to release the keyboard from the palm-rest assembly. Turn the keyboard over and place it on the palm-rest assembly. Lift the connector latch and disconnect the keyboard from the connector on the system board.

  • Page 29: Replacing The Keyboard, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Slide the keyboard cable into the connector on the system board and press down on the connector latch to secure it.

  • Page 30

    Replacing the Keyboard...

  • Page 31: Removing The Palm-rest, Prerequisites, Procedure

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

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    Turn the computer over and open the display as far as possible. Lift the connector latches and pull the pull-tab to disconnect the touchpad cable and the power-button cable from the system board. touchpad cable power-button cable connector latches (2) Removing the Palm-Rest...

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    Remove the screws that secure the palm-rest to the system board. Using a plastic scribe gently lift and release the tabs on palm-rest from the slots on the computer base. CAUTION: Carefully separate the palm-rest assembly from the display assembly to avoid damage to the display assembly.

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    Removing the Palm-Rest...

  • Page 35: Replacing The Palm-rest, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the palm-rest over the computer base.

  • Page 36

    Replacing the Palm-Rest...

  • Page 37: Removing The Wireless Mini-card, Prerequisites

    Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. NOTE: Dell does not guarantee compatibility or provide support for wireless mini-cards from sources other than Dell. If you ordered a wireless mini-card with your computer, the card is already installed.

  • Page 38: Procedure

    Procedure Disconnect the antenna cables from the connectors on the wireless mini-card. Remove the screw that secures the wireless mini-card to the system-board connector. screw antenna cables (2) wireless mini-card Slide and remove the wireless mini-card out of the system-board connector. wireless mini-card system-board connector Removing the Wireless Mini-Card...

  • Page 39: Replacing The Wireless Mini-card, Procedure

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless mini-card, ensure that no cables are placed under the wireless mini-card.

  • Page 40: Postrequisites

    Postrequisites Replace the palm-rest. See "Replacing the Palm-Rest" on page 35. Replace the keyboard. See "Replacing the Keyboard" on page 29. Replace the optical-drive assembly. See "Replacing the Optical-Drive Assembly" on page 21. Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17.

  • Page 41: Removing The I/o Board, Prerequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

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    Procedure Remove the screw that secures the I/O board to the computer base. Use the pull-tab to disconnect the I/O board cable from the connector on the system board. Gently lift and remove the I/O board off the computer base. I/O board I/O board cable screw...

  • Page 43: Replacing The I/o Board, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Gently slide the I/O board below the tab that secures it and snap the I/O board into place.

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    Replacing the I/O Board...

  • Page 45: Removing The System Board, Prerequisites

    Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in system setup after you replace the system board. For more information, see "Entering the Service Tag in system setup"...

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    Procedure Peel the tape that secures the display cable to the system board. Disconnect the display cable from the connector on the system board. Disconnect the power adapter-port cable, speaker cable, and the I/O board cable from the system board. display cable tape power-adapter-port cable...

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    Remove the screw that secures the system board to the computer base. Lift the system board off the computer base. system board screw Removing the System Board...

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    Removing the System Board...

  • Page 49: Replacing The System Board, Procedure, Postrequisites, Entering The Service Tag In System Setup

    Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage 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 system setup after you replace the system board.

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    Replacing the System Board...

  • Page 51: Removing The Coin-cell Battery, Prerequisites

    Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. WARNING: The coin-cell battery may explode if installed incorrectly. Replace the coin-cell battery only with the same or equivalent type. Discard used coin-cell batteries according to the manufacturer’s instructions.

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    Procedure Turn the system board over and place it on a flat surface. Using a plastic scribe, gently pry out the coin-cell battery out of the battery socket on the system board. plastic scribe coin-cell battery Removing the Coin-Cell Battery...

  • Page 53: Replacing The Coin-cell Battery, Procedure, Postrequisites

    Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. WARNING: The battery may explode if installed incorrectly. Replace the battery only with the same or equivalent type. Discard used batteries according to the manufacturer’s instructions.

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    Replacing the Coin-Cell Battery...

  • Page 55: Removing The Heat-sink, Prerequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

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    Procedure Turn the system board over and place the system board on a flat surface. In sequential order (indicated on the heat-sink), remove the screws that secure the heat-sink to the system board. Lift the heat-sink off the system board. screw (6) Removing the Heat-Sink...

  • Page 57: Replacing The Heat-sink, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Clean the thermal grease from the bottom of the heat-sink and reapply it.

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    Replacing the Heat-Sink...

  • Page 59: Removing The Fan, Prerequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

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    Procedure Turn the system board over and place the system board on a flat surface. Disconnect the fan cable from the connector on the system board. Remove the screw that secures the fan to the system board. Lift the fan off the system board. screw fan cable Removing the Fan...

  • Page 61: Replacing The Fan, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the screw holes on the fan with the screw holes on the system board.

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    Replacing the Fan...

  • Page 63: Removing The Speakers, Prerequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

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    Procedure Peel the tape that secures the LED silicon tubes to the computer base. Lift and remove the LED silicon tubes off the computer base. tape LED silicon tubes Removing the Speakers...

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    Note the speaker cable routing and remove the cable from the routing guides on the computer base. Lift the speakers, along with the speaker cable, off the computer base. speaker cable routing speakers (2) Removing the Speakers...

  • Page 66

    Removing the Speakers...

  • Page 67: Replacing The Speakers, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the speakers on the computer base.

  • Page 68

    Replacing the Speakers...

  • Page 69: Removing The Display Assembly, Prerequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

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    Procedure Peel the tape that secures the display cable to the system board. Disconnect the display cable from the connectors on the system board. Disconnect the wireless mini-card cables from the connectors on the wireless mini-card. display cable wireless mini-card cables (2) Removing the Display Assembly...

  • Page 71

    Move aside the power adapter-port cable from the screws. Remove the screws that secure the display assembly to the computer base. Lift the display assembly off the computer base. display assembly screws (3) power adapter-port cable Removing the Display Assembly...

  • Page 72

    Removing the Display Assembly...

  • Page 73: Replacing The Display Assembly, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Place the display assembly on the computer base and align the screw holes on the display assembly with the screw holes on the computer base.

  • Page 74

    Replacing the Display Assembly...

  • Page 75: Removing The Display Bezel, Prerequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

  • Page 76

    Procedure Press the hinge covers on the sides and lift the hinge covers to remove it from the display assembly. hinge covers (2) Using your fingertips, carefully pry up the inside edge of the display bezel. Remove the display bezel off the display back-cover. display bezel Removing the Display Bezel...

  • Page 77: Replacing The Display Bezel, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage 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

    Replacing the Display Bezel...

  • Page 79: Removing The Display Hinges, Prerequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

  • Page 80

    Procedure Remove the screws that secure the display hinges to the display panel. Lift the display hinges off the display back-cover. screws (8) display hinges (2) Removing the Display Hinges...

  • Page 81: Replacing The Display Hinges, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the screw holes on the display hinges with the screw holes on the display back-cover.

  • Page 82

    Replacing the Display Hinges...

  • Page 83: Removing The Display Panel, Prerequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

  • Page 84

    Procedure Remove the screws that secure the display panel to the display back-cover. Gently lift the display panel and turn it over. display back-cover display panel screws (4) Removing the Display Panel...

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    Peel the tape that is adhered over the display cable. Disconnect the display cable from the connector on the display panel. display cable tape Removing the Display Panel...

  • Page 86

    Removing the Display Panel...

  • Page 87: Replacing The Display Panel, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Connect the display cable to the connector on the display panel.

  • Page 88

    Replacing the Display Panel...

  • Page 89: Removing The Camera Module, Prerequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 11.

  • Page 90

    Procedure Remove the screw that secures the camera module to the display back-cover. Disconnect the camera cable from the connector on the camera module. Peel the tape that secures the camera module to the display back-cover. Lift the camera module off the display back-cover. screw camera module tape...

  • Page 91: Replacing The Camera Module, Procedure, Postrequisites

    7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the camera module on the display back-cover.

  • Page 92

    Replacing the Camera Module...

  • Page 93: Flashing The Bios

    • Choose from My Products and Services List • Choose from a list of all Dell products Click Continue and follow the instructions on the screen. A list of results appears on the screen. Click BIOS. Click Download File to download the latest BIOS file.

  • Page 94

    Flashing the BIOS...

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