Dell™ Inspiron™ 1090 Service Manual Before You Begin Label Door Keyboard Palm-Rest Assembly Battery Memory Module AC-Adapter Connector Processor Fan and Heat-Sink Assembly Wireless Mini-Card(s) Hard-Drive Assembly Coin-Cell Battery Display Ambient-Light Sensor Board Camera Module System Board Connector Covers Speakers Flashing the BIOS Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer.
Back to Contents Page Ambient-Light Sensor Board Dell™ Inspiron™ 1090 Service Manual 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.
1 ambient-light sensor board 2 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. 3. Connect the ambient-light sensor cable to the connector on the ambient- light sensor board. 4. Replace the display panel (see Replacing the Display Panel). 5. Replace the display hinges (see Replacing the Display Hinges). 6.
Back to Contents Page Battery Dell™ Inspiron™ 1090 Service Manual Removing the Battery Replacing the 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.
. 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.
Back to Contents Page Before You Begin Dell™ Inspiron™ 1090 Service Manual Recommended Tools Turning Off Your Computer Before Working Inside Your Computer This manual provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist: l You have performed the steps in Turning Off Your Computer and Before Working Inside Your Computer. l You have read the safety information that shipped with your computer.
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. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.
Back to Contents Page Flashing the BIOS Dell™ Inspiron™ 1090 Service Manual 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. If you have your computer's Service Tag: a. Click Enter a Tag. b.
Back to Contents Page Camera Module Dell™ Inspiron™ 1090 Service Manual 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.
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. 1 camera cable Replacing the Camera Module 1. Follow the instructions in Before You Begin. 2. Use the alignment posts on the display frame to place the camera module in position. 3. Route and connect the camera cable to the connector on the camera module. 4. Replace the display panel (see Replacing the Display Panel). 5.
Back to Contents Page Coin-Cell Battery Dell™ Inspiron™ 1090 Service Manual 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.
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). 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 AC-Adapter Connector Dell™ Inspiron™ 1090 Service Manual 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.
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). 9. 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.
Back to Contents Page Display Dell™ Inspiron™ 1090 Service Manual Display Assembly Hinge Caps Display Bezel Display Hinges 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.
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. 1 display assembly 2 screws (2) Replacing the Display Assembly 1. Follow the instructions in Before You Begin. 2. Place the display assembly in position and replace the two screws that secure the display assembly to the computer base. 3.
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. Hinge Caps Removing the Hinge Caps 1. Follow the instructions in Before You Begin. 2. Remove the display assembly (see Removing the Display Assembly). 3.
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. 1 display frame 3 display bezel 5. 2 plastic scribe Lift the display bezel off the display frame. Replacing the Display Bezel 1. Follow the instructions in Before You Begin. 2. Align the display bezel on the display frame and gently snap it into place. 3.
1 display hinges (2) 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. 4. Replace the four (two on each hinge) screws that secure the display hinges to the display frame. 5. Replace the display bezel (see Replacing the Display Bezel). 6.
1 screws (4) 2 display panel 3 display frame 4 display cable 5 display-cable grounding screws (2) 8. 1 Remove the two display-panel hinge brackets from the display panel. display-panel hinge brackets (2) 9. 10. Remove the eight screws that secure the display back cover to the display panel. Using your fingertips, carefully pry out the display back cover and ease the back cover away from the display panel.
1 screws (8) 2 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. 4. Replace the display-panel hinge brackets. 5. Align the holes on the display-panel hinge brackets with the guide posts on the display frame and place it in position. 6. Route the display cable through the routing guide. 7.
1 display-panel hinges (2) 2 pull-tab 3 display cable 4 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. 3. Connect the display cable and touch-screen cable to the connectors on the display panel. 4. Turn the display panel over. 5.
Back to Contents Page Hard-Drive Assembly Dell™ Inspiron™ 1090 Service Manual Removing the Hard-Drive Assembly Replacing the Hard-Drive 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. WARNING: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive.
3 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. 1 hard-drive bracket 2 screws (4) Replacing the Hard-Drive Assembly 1. Follow the instructions in Before You Begin. 2. Remove the new hard drive from its packaging. Save the original packaging for storing or shipping the hard drive. 3. Place the hard drive in the hard-drive bracket. 4.
Back to Contents Page Processor Fan and Heat-Sink Assembly Dell™ Inspiron™ 1090 Service Manual Removing the Processor Fan and Heat-Sink Assembly Replacing the Processor Fan and Heat-Sink 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.
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). 4. Connect the processor fan and heat-sink assembly cable to the connector on the system board. 5.
Back to Contents Page Connector Covers Dell™ Inspiron™ 1090 Service Manual Removing the Connector Covers 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.
Back to Contents Page Keyboard Dell™ Inspiron™ 1090 Service Manual 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.
1 plastic scribe 7. 2 keyboard Lift the connector latch and disconnect the keyboard cable from the connector on the system board. 1 keyboard tabs (5) 3 keyboard-cable connector 8. 2 keyboard cable Lift the keyboard off the computer. Replacing the Keyboard 1. Follow the instructions in Before You Begin. 2. Slide the keyboard cable into the connector on the system board and press the connector latch to secure the cable. 3.
Back to Contents Page Label Door Dell™ Inspiron™ 1090 Service Manual 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.
Back to Contents Page Memory Module Dell™ Inspiron™ 1090 Service Manual Removing the Memory Module Replacing the Memory 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.
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. NOTE: If the memory module is not installed properly, the computer may not boot.
Back to Contents Page Wireless Mini-Card(s) Dell™ Inspiron™ 1090 Service Manual Removing the Mini-Card(s) Replacing the Mini-Card(s) 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.
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. 2. Remove the new Mini-Card(s) from its packaging. CAUTION: Use firm and even pressure to slide the card into place. If you use excessive force, you may damage the connector.
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 Palm-Rest Assembly Dell™ Inspiron™ 1090 Service Manual 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.
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. 1 palm-rest assembly 2 plastic scribe 10. Lift the palm-rest assembly off the computer base.
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 Speakers Dell™ Inspiron™ 1090 Service Manual Removing 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.
Back to Contents Page System Board Dell™ Inspiron™ 1090 Service Manual 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.
1 AC-adapter connector cable 3 speaker cable 15. 2 system board 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. 2. Align the connectors on the system board with the slots on the computer base and place it in position. 3. Replace the six screws that secure the system board to the computer base. 4.
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. 16. Turn on the computer. NOTE: After you have replaced the system board, enter the computer Service Tag into the BIOS of the replacement system board. 17. Enter the service tag (see Entering the Service Tag in the BIOS). Entering the Service Tag in the BIOS 1.
Back to Contents Page Dell™ Inspiron™ 1090 Service Manual 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.