Dell™ Inspiron™ 1090 Service Manual 
Hard-Drive Assembly
Label Door
Coin-Cell Battery
Keyboard
Display
Palm-Rest Assembly
Ambient-Light Sensor
Board
Battery
AC-Adapter Connector
Connector Covers
Processor Fan and Heat-Sink
Assembly
Speakers
Wireless Mini-Card(s)
 Notes, Cautions, and Warnings
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
CAUTION:
A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.
WARNING:
A WARNING indicates a potential for property damage, personal injury, or death.
Information in this document is subject to change without notice.
© 2010 Dell Inc. All rights reserved.
Trademarks used in this text: Dell™ and the DELL logo, and Inspiron™ are trademarks of Dell Inc.; Microsoft®, Windows®, and the Windows start button logo
trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Regulatory model: P08T Regulatory type: P08T001
November 2010 Rev. A00
are either

   Also See for Dell Inspiron 1090

   Related Manuals for Dell Inspiron 1090

   Summary of Contents for Dell Inspiron 1090

  • Page 1

    Microsoft Corporation in the United States and/or other countries. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Regulatory model: P08T Regulatory type: P08T001...

  • Page 2

      Removing the Ambient-Light Sensor Board   Replacing the Ambient-Light Sensor Board WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ ...

  • Page 3

    1 ambient-light sensor board ambient-light sensor cable  Replacing the Ambient-Light Sensor Board   1. Follow the instructions in Before You Begin.   2. Align the ambient light-sensor board with the alignment post on the display frame and place it in position.  ...

  • Page 4: Removing The Battery, Replacing The Battery

    To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).   CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.  Removing the Battery  ...

  • Page 5

    5. Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly).   6. Replace the keyboard (see Replacing the Keyboard).   7. Replace the label door (see Replacing the Label Door).   CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.

  • Page 6: Before You Begin, Recommended Tools, Turning Off Your Computer, Before Working Inside Your Computer

    Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your own personal safety. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 7

      3. Disconnect your computer and all attached devices from their electrical outlets.   4. Disconnect all attached devices from your computer.   5. Open the display and press the power button to ground the system board.   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 8: Flashing The Bios

    The BIOS may require flashing when an update is available or when replacing the system board. To flash the BIOS:   1. Turn on the computer.   2. Go to support.dell.com/support/downloads.   3. Locate the BIOS update file for your computer: NOTE: The Service Tag for your computer is located on a label at the bottom of your computer.

  • Page 9: Camera Module, Removing The Camera Module

      Removing the Camera Module   Replacing the Camera Module WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 10: Replacing The Camera Module

      12. Make note of the camera cable routing and disconnect it from the connector on the camera module.   13. Lift the camera module off the display frame. camera cable  Replacing the Camera Module   1. Follow the instructions in Before You Begin.

  • Page 11: Removing The Coin-cell Battery

      Removing the Coin-Cell Battery   Replacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 12

      4. Replace the battery (see Replacing the Battery).   5. Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly).   6. Replace the keyboard (see Replacing the Keyboard).   7. Replace the label door (see Replacing the Label Door).  ...

  • Page 13

      Removing the AC-Adapter Connector   Replacing the AC-Adapter Connector WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 14

      5. Replace the memory module (see Replacing the Memory Module).   6. Replace the battery (see Replacing the Battery).   7. Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly).   8. Replace the keyboard (see Replacing the Keyboard).  ...

  • Page 15: Display Assembly, Removing The Display Assembly

      Display Panel   Display Cable WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 16: Replacing The Display Assembly

    1 ambient light-sensor cable connector 2 touch-screen cable connector 3 display cable 4 camera-cable connector   11. Remove the two screws that secure the display assembly to the computer base.   12. Lift the display assembly off the computer base. display assembly screws (2)  ...

  • Page 17: Hinge Caps, Removing The Hinge Caps, Replacing The Hinge Caps, Display Bezel

    10. Replace the keyboard (see Replacing the Keyboard).   11. Replace the label door (see Replacing the Label Door).   CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.

  • Page 18: Replacing The Display Bezel, Display Hinges, Removing The Display Hinges

      CAUTION: The display bezel is extremely fragile. Be careful when removing it to prevent damaging the display bezel.   4. Using a plastic scribe, carefully pry up the inside edge of the display bezel off the display frame. display frame plastic scribe display bezel  ...

  • Page 19: Replacing The Display Hinges, Display Panel, Removing The Display Panel

    display hinges (2) screws (4)   Replacing the Display Hinges   1. Follow the instructions in Before You Begin.   2. Route the ambient-light sensor cable, touch-screen cable, display cable, and camera cable through the routing guides.   3. Use the alignment posts on the display frame to place the display hinges in position.  ...

  • Page 20

    screws (4) display panel display frame display cable display-cable grounding screws (2)   8. Remove the two display-panel hinge brackets from the display panel. 1 display-panel hinge brackets (2)   9. Remove the eight screws that secure the display back cover to the display panel.  ...

  • Page 21: Replacing The Display Panel, Display Cable, Removing The Display Cable

    screws (8) display back cover   Replacing the Display Panel   1. Follow the instructions in Before You Begin.   2. Align the display back cover on the display panel and snap it into place.   3. Replace the eight screws that secure the display back cover to the display panel.  ...

  • Page 22: Replacing The Display Cable

    display-panel hinges (2) pull-tab display cable touch-screen cable connector   11. Gently peel off the display cable from the display panel.   Replacing the Display Cable   1. Follow the instructions in Before You Begin.   2. Slide the tabs on the display-panel hinges into the slots on the display panel and place the hinges in position.  ...

  • Page 23

    Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell. NOTE: If you are installing a hard drive from a source other than Dell, you need to install an operating system, drivers, and utilities on the new hard drive.

  • Page 24

    screw   10. Remove the four screws that secure the hard drive to the hard-drive bracket.   11. Lift the hard-drive bracket away from the hard drive. hard-drive bracket screws (4)  Replacing the Hard-Drive Assembly   1. Follow the instructions in Before You Begin.

  • Page 25

    WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. WARNING: If you remove the processor fan and heat-sink assembly from the computer when the heat sink is hot, do not touch the metal housing of the processor fan and heat-sink assembly.

  • Page 26

      1. Follow the instructions in Before You Begin.   2. Clean the thermal grease from the bottom of the processor fan and heat-sink assembly and reapply it.   3. Align the three captive screws on the processor fan and heat-sink assembly with the screw holes on the system board and tighten the screws in sequential order (indicated on the processor heat-sink).

  • Page 27

      Replacing the Connector Covers WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 28

     ...

  • Page 29: Removing The Keyboard

      Removing the Keyboard   Replacing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 30: Replacing The Keyboard

    plastic scribe keyboard   7. Lift the connector latch and disconnect the keyboard cable from the connector on the system board. keyboard tabs (5) keyboard cable keyboard-cable connector     8. Lift the keyboard off the computer.  Replacing the Keyboard  ...

  • Page 32: Removing The Label Door

      Removing the Label Door   Replacing the Label Door WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 33: Memory Module, Removing The Memory Module

    NOTE: Memory modules purchased from Dell are covered under your computer warranty. See "Specifications" in the Setup Guide that shipped with your computer or at support.dell.com/manuals for information on the type of memory supported by your computer. Your computer has one internal SODIMM connector.

  • Page 34: Replacing The Memory Module

     Replacing the Memory Module   1. Follow the instructions in Before You Begin.   2. Align the notch in the memory module with the tab in the memory- module connector.   3. Slide the memory module firmly into the memory-module connector at a 45-degree angle, and press the memory module down until it clicks into place. If you do not hear the click, remove the memory module and reinstall it.

  • Page 35

    NOTE: Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell. If you ordered a wireless Mini-Card with your computer, the card is already installed. Your computer has one full Mini-Card slot and one half Mini-Card slot:  One full Mini-Card slot —...

  • Page 36

      CAUTION: When the Mini-Card is not in the computer, store it in protective antistatic packaging. For more information, see "Protecting Against Electrostatic Discharge" in the safety information that shipped with your computer.  Replacing the Mini-Card(s)   1. Follow the instructions in Before You Begin.

  • Page 37

    NOTE: If you are installing a communication card from a source other than Dell, you must install the appropriate drivers and utilities. Back to Contents Page  ...

  • Page 38

      Removing the Palm-Rest Assembly   Replacing the Palm-Rest Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 39

    1 left hall-sensor cable connector 2 screws (4) 3 palm-rest assembly 4 right hall-sensor cable connector 5 touch-pad cable connector CAUTION: Carefully separate the palm-rest assembly from the computer base to avoid damage to the palm-rest assembly.   9. Using a plastic scribe, carefully pry out the palm-rest assembly along the rear edge and then ease the palm-rest assembly from the computer base. palm-rest assembly plastic scribe  ...

  • Page 40

      CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. Back to Contents Page  ...

  • Page 41: Removing The Speakers, Replacing The Speakers

      Replacing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 42

     ...

  • Page 43: System Board, Removing The System Board

      Replacing the System Board   Entering the Service Tag in the BIOS WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ ...

  • Page 44: Replacing The System Board

    AC-adapter connector cable system board speaker cable   15. Carefully ease the connectors on the system board out of the slots in the computer, and lift the system board out of the computer base.  Replacing the System Board   1. Follow the instructions in Before You Begin.

  • Page 45: Entering The Service Tag In The Bios

      15. Replace the label door (see Replacing the Label Door).   CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.  ...

  • Page 46

    Microsoft Corporation in the United States and/or other countries. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. November 2010 Rev. A00 Back to Contents Page...

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