Dell Inspiron 1121 Service Manual
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Dell Inspiron 1121 Service Manual

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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
 Notes, Cautions, and Warnings
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
CAUTION:
WARNING:
Information in this document is subject to change without notice.
© 2010 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, and Inspiron are trademarks of Dell Inc.; Windows 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.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
December 2010 Rev. A00
Regulatory model: P07T series
Regulatory type: P07T001
 
Great user manuals database on
Coin-Cell Battery
Display
Camera
Middle Cover
AC Adapter Connector
System Board
Processor Heat Sink
Speakers
Flashing the BIOS
A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
A WARNING indicates a potential for property damage, personal injury, or death.
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  • Page 1 Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

  • Page 2: 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 3: Replacing The Ac Adapter Connector

    AC adapter connector cable 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.

  • Page 4: 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. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.
  • Page 5 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).  ...

  • Page 6: Removing 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 7: Before You Begin

    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. CAUTION: Handle components and cards with care.
  • Page 8   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.

  • Page 9: 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. 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.

  • Page 10: Removing The Bluetooth Module

      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. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.
  • Page 11 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.

  • Page 12: Removing The Camera

      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. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.
  • Page 13   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).

  • Page 14: 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 15 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   Great user manuals database on UserManuals.info...

  • Page 16: Removing The Processor Module

      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. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 17: Replacing The Processor Module

      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.

  • Page 18: Removing 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. WARNING: If you remove the processor heat sink from the computer when the heat sink is hot, do not touch the metal housing of the processor heat sink.
  • Page 19 Back to Contents Page   Great user manuals database on UserManuals.info...

  • Page 20: Display Assembly

      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. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 21: Display Bezel

    display assembly 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.  ...

  • Page 22: Display Panel

    rubber pads (2) screws (2) 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.
  • Page 23 camera cable connector display panel screws (4)   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.  ...
  • Page 24 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.
  • Page 25 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   Great user manuals database on UserManuals.info...

  • Page 26: Removing The Hard Drive

    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 27: Replacing The Hard Drive

    hard-drive bracket hard drive screws (4)  Replacing the Hard Drive   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.  ...

  • Page 28: Removing 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. 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 29: Replacing The Middle Cover

    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.

  • Page 30: Removing The Power Button Module

      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. Damage due to servicing that is not authorized by Dell™ ...
  • Page 31 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).

  • Page 32: 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 33: Replacing The Keyboard

    plastic scribe keyboard palm rest   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.  ...
  • Page 34 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   Great user manuals database on UserManuals.info...

  • Page 35: Removing The Memory Module(S)

    You can increase your computer memory by installing memory modules on the system board. See "Specifications" in the Setup Guide that shipped with your computer or at support.dell.com/manuals for information on the memory supported by your computer. NOTE: Memory modules purchased from Dell™ are covered under your computer warranty. ...

  • Page 36: Replacing The Memory Module(S)

    memory-module connector securing clips (2) memory module  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.  ...
  • Page 37 Back to Contents Page   Great user manuals database on UserManuals.info...

  • Page 38: Wireless Mini-Card(S)

    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 39: Replacing The Mini-Card(S)

    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.
  • Page 40 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   Great user manuals database on UserManuals.info...

  • Page 41: Removing The Optical Drive

      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. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.
  • Page 42 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   Great user manuals database on UserManuals.info...

  • Page 43: Removing 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. 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 44: Replacing The Palm Rest

    power button board cable connector screws (3) touch pad cable connector 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.  ...

  • Page 45: 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. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.
  • Page 46 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.
  • Page 47 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 48 Great user manuals database on UserManuals.info...

  • Page 49: Removing The Speakers

      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. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.
  • Page 50 Back to Contents Page   Great user manuals database on UserManuals.info...

  • Page 51: 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. Damage due to servicing that is not authorized by Dell™  is not covered by your warranty.

  • Page 52: Replacing The System Board

    system board screw AC adapter connector cable   15. 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.
  • Page 53 b.  Press <F2> 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   Great user manuals database on UserManuals.info...
  • Page 54 Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and Inspiron are trademarks of Dell Inc.; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license;...

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