Dell™ Inspiron™ 1121 Service Manual Before You Begin Battery Memory Module(s) Keyboard Hard Drive Palm Rest Power Button Board Wireless Mini-Card(s) Audio Board Coin-Cell Battery Display Camera Middle Cover AC Adapter Connector System Board Processor Heat Sink 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 AC Adapter Connector Dell™ Inspiron™ 1121 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.
1 AC adapter connector cable 2 AC adapter connector Replacing the AC Adapter Connector 1. Follow the instructions in Before You Begin. 2. Route the AC adapter connector cable and place the AC adapter connector on the computer base. 3. Connect the AC adapter connector cable to the connector on the system board. 4. Replace the bracket that secures the AC adapter connector on the computer base. 5. Replace the audio board (see Replacing the Audio Board). 6.
Back to Contents Page Audio Board Dell™ Inspiron™ 1121 Service Manual Removing the Audio Board Replacing the Audio 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.
3. Replace the three screws that secure the audio board to the computer base. 4. Connect the audio cable and the speaker cable to their respective connectors on the audio board. 5. Connect the Mini-Card antenna cables to the Mini-Card(s). 6. Replace the palm rest (see Replacing the Palm Rest). 7. Follow the instructions from step 5 to step 7 in Replacing the Hard Drive. 8. Replace the keyboard (see Replacing the Keyboard). 9. Replace the battery (see Replacing the Battery).
Back to Contents Page Battery Dell™ Inspiron™ 1121 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.
Back to Contents Page Before You Begin Dell™ Inspiron™ 1121 Service Manual Recommended Tools Turning Off Your Computer Before Working Inside Your Computer This manual provides instructions for removing and installing 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.
4. Press and eject any installed cards from the 7-in-1 Media Card Reader. 5. Disconnect your computer and all attached devices from their electrical outlets. 6. Disconnect all attached devices from your computer. CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the computer. 7. Remove the battery (see Removing the Battery). 8.
Back to Contents Page Flashing the BIOS Dell™ Inspiron™ 1121 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. Click Select Model. 4. 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.
Back to Contents Page Internal Module With Bluetooth® Wireless Technology Dell™ Inspiron™ N5020/M5030 Service Manual Removing the Bluetooth Module Replacing the Bluetooth 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.
4. Replace the palm rest (see Replacing the Palm Rest). 5. Replace the keyboard (see Replacing the Keyboard). 6. Replace the battery (see Replacing the Battery). 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 Camera Dell™ Inspiron™ 1121 Service Manual Removing the Camera Replacing the Camera 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. Connect the camera cable to the connector on the camera module. 5. Replace the display bezel (see Replacing the Display Bezel). 6. Replace the display assembly (see Replacing the Display Assembly). 7. Replace the palm rest (see Replacing the Palm Rest). 8. Follow the instructions from step 5 to step 7 in Replacing the Hard Drive. 9. Replace the keyboard (see Replacing the Keyboard). 10. Replace the battery (see Replacing the Battery).
Back to Contents Page Coin-Cell Battery Dell™ Inspiron™ 1121 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.
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 Processor Module Dell™ Inspiron™ N5020/M5030 Service Manual Removing the Processor Module Replacing the Processor 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.
7. Lift the processor module from the ZIF socket. Replacing the Processor Module NOTE: If a new processor is installed, you will receive a new thermal-cooling assembly, which will include an affixed thermal pad, or you will receive a new thermal pad along with documentation to illustrate proper installation. 1. Follow the instructions in Before You Begin. 2. Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then insert the processor module.
Back to Contents Page Processor Heat Sink Dell™ Inspiron™ 1121 Service Manual Removing the Processor Heat Sink Replacing the Processor Heat Sink 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.
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Back to Contents Page Display Dell™ Inspiron™ 1121 Service Manual Display Assembly Display Bezel Display Panel Display-Panel Brackets 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 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 (one on each side) that secure the display assembly to the computer base. 3. Connect the display cable to the system board connector. 4. Route the Mini-Card antenna cables through the routing guides on the computer base. 5. Connect the Mini-Card antenna cables to the Mini-Card(s). 6.
1 rubber pads (2) 2 screws (2) 3 display bezel Replacing the Display Bezel 1. Follow the instructions in Before You Begin. 2. Align the display bezel over the display back cover, and gently snap into place. 3. Replace the two screws that secure the display bezel to the display back cover. 4. Replace the two rubber pads that cover the display bezel screws. 5. Replace the display assembly (see Replacing the Display Assembly).
1 camera cable connector 3 screws (4) 2 display panel 6. Lift the display panel off the display back cover. 7. Turn the display panel over and place it on a clean surface. 8. Peel the tape covering the display cable and lift the display cable off the back of the display panel. 9. Lift the tape that secures the display cable to the display cable connector and disconnect the display cable.
7. Replace the display bezel (see Replacing the Display Bezel). 8. Replace the display assembly (see Replacing the Display Assembly). 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. Display-Panel Brackets Removing the Display-Panel Brackets 1. Follow the instructions in Before You Begin. 2. Remove the display assembly (see Removing the Display Assembly). 3.
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 Hard Drive Dell™ Inspiron™ 1121 Service Manual Removing the Hard Drive Replacing the Hard Drive 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.
1 hard-drive bracket 3 screws (4) 2 hard drive Replacing the Hard Drive 1. 2. Follow the instructions in Before You Begin. 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. Replace the four screws that secure the hard-drive bracket to the hard drive. 5. Place the hard-drive assembly in the computer base. 6.
Back to Contents Page Middle Cover Dell™ Inspiron™ 1121 Service Manual Removing the Middle Cover Replacing the Middle Cover 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 middle cover Replacing the Middle Cover 1. Follow the instructions in Before You Begin. 2. Align the tabs on the middle cover with the slots on the computer base and snap the middle cover into place. 3. Turn the computer over. 4. Replace the two screws that secure the middle cover to the computer base. 5. Replace the display assembly (see Replacing the Display Assembly). 6. Replace the palm rest (see Replacing the Palm Rest). 7.
Back to Contents Page Power Button Module Dell™ Inspiron™ N5020/M5030 Service Manual Removing the Power Button Module Replacing the Power Button 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.
3. Replace the screw that secures the power button module to the palm rest. 4. Adhere the power button cable to the palm rest. 5. Replace the palm rest (see Replacing the Palm Rest). 6. Replace the keyboard (see Replacing the Keyboard). 7. Replace the battery (see Replacing the Battery). 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 Keyboard Dell™ Inspiron™ 1121 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 3 palm rest 2 keyboard 6. Carefully lift the keyboard and slide the keyboard tabs out of the slots on the palm rest. 7. Turn the keyboard over and place it on the palm rest. 8. Lift the connector latch and disconnect the keyboard cable from the connector on the system board. 9. Lift the keyboard off the palm rest. 1 keyboard cable 2 connector latch 3 keyboard tabs (5) 4 keyboard Replacing the Keyboard 1. Follow the instructions in Before You Begin. 2.
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 Memory Module(s) Dell™ Inspiron™ 1121 Service Manual Removing the Memory Module(s) Replacing the Memory Module(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.
1 memory-module connector 3 memory module 2 securing clips (2) Replacing the Memory Module(s) CAUTION: If you need to install memory modules in two connectors, install a memory module in the lower connector before you install a memory module in the upper connector. 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.
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Back to Contents Page Wireless Mini-Card(s) Dell™ Inspiron™ 1121 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.
1 antenna cables (2) 2 screw 3 Mini-Card 8. Lift the Mini-Card out of the system board connector. Replacing the Mini-Card(s) 1. Follow the instructions in Before You Begin. 2. Remove the new Mini-Card 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. CAUTION: The connectors are keyed to ensure correct insertion.
NOTE: If you are installing a wireless Mini-Card from a source other than Dell, you must install the appropriate drivers and utilities.
Back to Contents Page Optical Drive Dell™ Inspiron™ N5020/M5030 Service Manual Removing the Optical Drive Replacing the Optical Drive 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: 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 Palm Rest Dell™ Inspiron™ 1121 Service Manual Removing the Palm Rest Replacing the Palm Rest 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 power button board cable connector 2 screws (3) 3 touch pad cable connector 4 plastic scribe Replacing the Palm Rest 1. Follow the instructions in Before You Begin. 2. Align the palm rest on the computer base and gently snap the palm rest into place. 3. Slide the touch pad cable and the power button board cable into their connectors on the system board and press down on the connector latch to secure the cables. 4.
Back to Contents Page Power Button Board Dell™ Inspiron™ 1121 Service Manual Removing the Power Button Board Replacing the Power Button 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.
6. Replace the keyboard (see Replacing the Keyboard). 7. Replace the battery (see Replacing the Battery). 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 Battery Dell™ Inspiron™ N5020/M5030 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.
Back to Contents Page Speakers Dell™ Inspiron™ 1121 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. CAUTION: Only a certified service technician should perform repairs on your computer.
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Back to Contents Page System Board Dell™ Inspiron™ 1121 Service Manual Removing the System Board Replacing the System 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 system board 3 AC adapter connector cable 15. 2 screw If you are replacing the system board, remove the processor fan and heat sink assembly (see Removing the Processor Heat Sink). Replacing the System Board 1. Follow the instructions in Before You Begin. 2. If removed, replace the processor fan and heat sink assembly (see Replacing the Processor Heat Sink). 3. Connect the AC adapter connector cable to the system board. 4.
b. Press during POST to enter the system setup program. c. Navigate to the Security tab and enter the Service Tag in the Set Service Tag field.
Back to Contents Page Dell™ Inspiron™ N5020/M5030 Service Manual NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. 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.