Dell Inspiron 1440 User manual

Dell™Inspiron™1440ServiceManual
Notes, Cautions, and Warnings
Information in this document is subject to change without notice.
©2009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.; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell
under license; Microsoft,Windows, Windows Vista, and Windows Vista start button logo are either trademarks or registered trademarks of Microsoft Corporation in the United States
and/or other countries.
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.
Model PP42L
June 2009 Rev. A00
Before You Begin
Battery
Hard Drive
Optical Drive
Module Cover
Memory Module(s)
Wireless Mini-Card
Center Control Cover
Keyboard
Power Button Board
Palm Rest
Display
Camera (Optional)
Internal Card With Bluetooth®Wireless Technology
Speakers
USB Board
System Board
Processor Heat Sink
Processor Module
Coin-Cell Battery
Daughter Board
Battery Latch Assembly
Flashing the BIOS
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.

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Module Cover
Dell™Inspiron™1440ServiceManual
Removing the Module Cover
Replacing the Module Cover



Removing the Module Cover

1. Follow the procedures in Before You Begin.

2. Remove the battery (see Removing the Battery).

3. Remove the screw that secures the module cover to the computer base.

4. Lift the module cover off the computer at an angle as shown in the figure.
Replacing the Module Cover

1. Align the tabs on the module cover with the slots on the computer base and gently snap it into place.

2. Replace the screw that secures the module cover to the computer base.

3. Replace the battery (see Replacing the Battery).
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
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 the back panel) on the computer.
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: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
1
module cover tabs (4)
2
module cover
3
screw



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Before You Begin
Dell™Inspiron™1440ServiceManual
Recommended Tools
Turning Off Your Computer
Before Working Inside Your Computer
This section provides procedures 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.
lYou have read the safety information that shipped with your computer.
lA component can be replaced or—if purchased separately—installed by performing the removal procedure in the reverse order.
Recommended Tools
The procedures in this document may require the following tools:
lSmall flat-blade screwdriver
lPhillips screwdriver
lPlastic scribe
lBIOS upgrade CD or the BIOS executable update program available on the Dell Support website at support.dell.com
Turning Off Your Computer


1. Save and close all open files and exit all open programs.

2. In Windows Vista®, click Start , click the arrow , and then click Shut Down.
The computer turns off after the operating system shutdown process finishes.

3. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your operating system, press and hold the power button until the computer turns off.
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.





1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.

2. Turn off your computer (see Turning Off Your Computer).

3. If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions.
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.
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: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal
mounting bracket. Hold a component such as a processor by its edges, not by its pins.
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: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking
tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep
them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented
and aligned.
CAUTION: To avoid damaging the computer, perform the following steps before you begin working inside the computer.



4. Disconnect all telephone or network cables from the computer.

5. Press and eject any installed cards from the ExpressCard slot or the 7-in-1 Media Card Reader.

6. Disconnect your computer and all attached devices from their electrical outlets.

7. Remove the battery (see Removing the Battery).

8. Turn the computer top-side up, open the display, and press the power button to ground the system board.
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
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.

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Flashing the BIOS
Dell™Inspiron™1440ServiceManual
Flashing the BIOS From a CD
Flashing the BIOS From the Hard Drive
If a BIOS-update program CD is provided with the new system board, flash the BIOS from the CD. If you do not have a BIOS-update program CD, flash the
BIOS from the hard drive.
Flashing the BIOS From a CD

1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.

2. Insert the BIOS-update program CD, and restart the computer.
Follow the procedures that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the
computer will automatically restart.

3. Press <F2> during POST to enter the system setup program.

4. Press <F9> to reset the computer defaults.

5. Press <Esc>, select Save changes and reboot, and press <Enter> to save configuration changes.

6. Remove the BIOS-update program CD from the drive and restart the computer.
Flashing the BIOS From the Hard Drive

1. Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached.

2. Turn on the computer.

3. Locate the latest BIOS update file for your computer at support.dell.com.

4. Click Drivers & Downloads®Select Model.

5. Select the type of product in the Select Your Product Family list.

6. Select the product brand in the Select Your Product Line list.

7. Select the product model number in the Select Your Product Model list.

8. Click Confirm.

9. A list of results appear on the screen. Click BIOS.

10. Click Download Now to download the latest BIOS file.
The File Download window appears.

11. Click Save to save the file on your desktop. The file downloads to your desktop.

12. Click Close if the Download Complete window appears.
The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.

13. Double-click the file icon on the desktop and follow the procedures on the screen.
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NOTE: If you use a BIOS-update program CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD.
NOTE: If you have selected a different model and want to start over again, click Start Over on the top right of the menu.



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Internal Card With Bluetooth®Wireless Technology
Dell™Inspiron™1440ServiceManual
Removing the Bluetooth Card
Replacing the Bluetooth Card



If you ordered a card with Bluetooth wireless technology with your computer, it is already installed.
Removing the Bluetooth Card

1. Follow the procedures in Before You Begin.

2. Remove the battery (see Removing the Battery).

3. Remove the module cover (see Removing the Module Cover).

4. Remove the memory module(s) (see Removing the Memory Module(s)).

5. Remove the hard drive (see Removing the Hard Drive).

6. Remove the optical drive (see Removing the Optical Drive).

7. Remove the center control cover (see Removing the Center Control Cover).

8. Remove the keyboard (see Removing the Keyboard).

9. Remove the power button board (see Removing the Power Button Board).

10. Remove the palm rest (see Removing the Palm Rest).

11. Lift the Bluetooth card to disconnect it from the system board connector.
Replacing the Bluetooth Card

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.
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: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
1
system board connector
2
Bluetooth card


1. Align the connector on the Bluetooth card with the connector on the system board and press the Bluetooth card.

2. Replace the palm rest (see Replacing the Palm Rest).

3. Replace the power button board (see Replacing the Power Button Board).

4. Replace the keyboard (see Replacing the Keyboard).

5. Replace the center control cover (see Replacing the Center Control Cover).

6. Replace the optical drive (see Replacing the Optical Drive).

7. Replace the hard drive (see Replacing the Hard Drive).

8. Replace the memory module(s) (see Replacing the Memory Module(s)).

9. Replace the module cover (see Replacing the Module Cover).

10. Replace the battery (see Replacing the Battery).
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

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Camera (Optional)
Dell™Inspiron™1440ServiceManual
Removing the Camera
Replacing the Camera



Removing the Camera

1. Follow the procedures in Before You Begin.

2. Remove the display assembly (see Removing the Display Assembly).

3. Remove the display bezel (see Removing the Display Bezel).

4. Disconnect the camera cable from the connector on the camera module.

5. Release the camera module from the latches on the display cover.

6. Remove the camera module.
Replacing the Camera

1. Secure the camera module using the latches on the display cover.

2. Connect the camera cable to the connector on 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: 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 the back of the computer).
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: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
1
latches (2)
2
camera cable connector
3
camera module




3. Replace the display bezel (see Replacing the Display Bezel).

4. Replace the display assembly (see Replacing the Display Assembly).
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

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Center Control Cover
Dell™Inspiron™1440ServiceManual
Removing the Center Control Cover
Replacing the Center Control Cover



Removing the Center Control Cover

1. Follow the procedure in Before You Begin.

2. Remove the battery (see Removing the Battery).

3. Turn the computer top side up, and open the display as far as possible.


4. Pry out the center control cover with a plastic scribe starting from the back of the computer.

5. Ease the center control cover up.
Replacing the Center Control Cover

1. Align the tabs beneath the center control cover with the slots on the palm rest and snap the cover in place.

2. Replace the battery (see Replacing the Battery).
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
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.
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: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
CAUTION: Be extremely careful when removing the center control cover. The cover is very fragile.
1
center control cover

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Coin-Cell Battery
Dell™Inspiron™1440ServiceManual
Removing the Coin-Cell Battery
Replacing the Coin-Cell Battery



Removing the Coin-Cell Battery

1. Follow the procedures in Before You Begin.

2. Follow the procedures from step 2 to step 16 in Removing the System Board.

3. Use a plastic scribe to pry up the coin-cell battery from the slot.
Replacing the Coin-Cell Battery

1. Hold the coin-cell battery with the positive side up.

2. Slide the coin-cell battery into the slot and gently press until it snaps to the slot.

3. Follow the procedures from step 4 to step 19 in Replacing the System Board.
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
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.
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: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
1
coin-cell battery
2
plastic scribe

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Processor Module
Dell™Inspiron™1440ServiceManual
Removing the Processor Module
Replacing the Processor Module





Removing the Processor Module

1. Follow the procedures in Before You Begin.

2. Remove the processor heat sink (see Removing the Processor Heat Sink).

3. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.



4. Lift the processor module from the ZIF socket.
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: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as the back panel) on the computer.
CAUTION: To prevent intermittent contact between the ZIF-socket cam screw and the processor when removing or replacing the processor, press
to apply slight pressure to the center of the processor while turning the cam screw.
CAUTION: To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw.
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: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
1
ZIF socket
2
ZIF-socket cam screw
CAUTION: To ensure maximum cooling for the processor, do not touch the heat transfer areas on the processor thermal-cooling assembly. The
oils in your skin can reduce the heat transfer capability of the thermal pads.
CAUTION: When removing the processor module, pull the module straight up. Be careful not to bend the pins on the processor module.


1. Follow the procedures 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.
When the processor module is properly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than the
others, the module is not seated properly.


3. Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board.

4. Replace the processor heat sink (see Replacing the Processor Heat Sink).
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
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.
NOTE: The pin-1 corner of the processor module has a triangle that aligns with the triangle on the pin-1 corner of the ZIF socket.
CAUTION: To avoid damage to the processor, hold the screwdriver perpendicular to the processor when turning the cam screw.

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Processor Heat Sink
Dell™Inspiron™1440ServiceManual
Removing the Processor Heat Sink
Replacing the Processor Heat Sink



Removing the Processor Heat Sink

1. Follow the procedures in Before You Begin.

2. Follow the procedures from step 2 to step 16 in Removing the System Board.

3. Disconnect the fan cable from the connector on the system board.

4. In sequential order (indicated on the processor heat sink), loosen the five captive screws that secure the processor heat sink to the system board.

5. Lift the processor heat sink off the computer.
Replacing the Processor Heat Sink

1. Align the five captive screws on the processor heat sink with the screw holes on the system board and tighten the screws in descending order.

2. Connect the fan cable to the connector on the system board.

3. Follow the procedures from step 4 to step 19 in 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.
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.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as the back panel) on the computer.
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: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
1
processor heat sink
2
fan cable connector
3
captive screws (5)


NOTE: The original thermal pad can be reused if the original processor and heat sink are reinstalled together. If either the processor or heat sink is
replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved.
NOTE: This procedure assumes that you have already removed the processor heat sink and are ready to replace it.

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

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Daughter Board
Dell™Inspiron™1440ServiceManual
Removing the Daughter Board
Replacing the Daughter Board



Removing the Daughter Board

1. Follow the procedures in Before You Begin.

2. Remove the system board (see Removing the System Board).

3. Remove the screw that secures the daughter board to the computer base.

4. Release the latch that secures the daughter board to the computer base and lift the daughter board out of the computer base.
Replacing the Daughter Board

1. Secure the daughter board with the latch on the computer base.

2. Replace the screw that secures the daughter board to the computer base.

3. Replace the system board (see Replacing the System Board).
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
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.
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: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
1
screw
2
daughter board
3
latch



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Display
Dell™Inspiron™1440ServiceManual
Display Assembly
Display Bezel
Display Panel
Display Panel Cable



Display Assembly

Removing the Display Assembly

1. Follow the procedures in Before You Begin.

2. Remove the battery (see Removing the Battery).

3. Remove the module cover (see Removing the Module Cover).

4. Remove the memory module(s) (see Removing the Memory Module(s)).

5. Remove the hard drive (see Removing the Hard Drive).

6. Remove the optical drive (see Removing the Optical Drive).

7. Remove the two screws from the computer base.

8. Remove the center control cover (see Removing the Center Control Cover).

9. Remove the keyboard (see Removing the Keyboard).

10. Remove the power button board (see Removing the Power Button Board).

11. Remove the palm rest (see Removing the Palm Rest).

12. Disconnect the camera cable from the system board connector.

13. Make note of the Mini-Card antenna cables, camera cable, and the display cable routing and remove the cables from their routing guides.
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.
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: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.


14. Remove the two screws that secure the display assembly to the computer base.

15. Lift and remove the display assembly from the computer base.

Replacing the Display Assembly

1. Place the display assembly in position and replace the two screws that secure the display assembly to the computer base.

2. Route the Mini-Card antenna cables, camera cable, and display cable through the routing guides.

3. Connect the camera cable to the system board connector.

4. Replace the palm rest (see Replacing the Palm Rest).

5. Replace the power button board (see Removing the Power Button Board).

6. Replace the keyboard (see Replacing the Keyboard).
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7. Replace the center control cover (see Replacing the Center Control Cover).
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8. Replace the two screws at the bottom of the computer.
1
camera cable
2
Mini-Card antenna cables
3
display cable
4
camera cable connector
1
display assembly
2
screws (2)

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9. Replace the optical drive (see Replacing the Optical Drive).
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10. Replace the hard drive (see Replacing the Hard Drive).
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11. Replace the memory module(s) (see Replacing the Memory Module(s)).
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12. Replace the module cover (see Replacing the Module Cover).
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13. Replace the battery (see Replacing the Battery).
Display Bezel
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Removing the Display Bezel
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1. Remove the display assembly (see Removing the Display Assembly).
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2. Using your fingertips, carefully pry up the inside edge of the display bezel.
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3. Remove the display bezel.
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Replacing the Display Bezel
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1. Realign the display bezel over the display panel, and gently snap into place.
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2. Replace the display assembly (see Replacing the Display Assembly).
Display Panel
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Removing the Display Panel
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1. Remove the display assembly (see Removing the Display Assembly).
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2. Remove the display bezel (see Removing the Display Bezel).
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3. Remove the six screws that secure the display panel to the display cover.
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4. Remove the Mini-Card cables, camera cable, and display cable from the hinge latches.
CAUTION: The display bezel is extremely fragile. Be careful when removing it to prevent damaging the bezel.
1
display bezel