Dell Inspiron M4040/14-N4050 Owner’s Manual Regulatory model: P22G Regulatory type: P22G001; P22G002
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. © 2011 Dell Inc. All rights reserved.
Contents 1 Before You Begin . . . . . . . . . . . . . . . . . . . . 9 Recommended Tools . . . . . . . . . . . . . . . . . . . . 9 Turning Off Your Computer . . . . . . . . . . . . . . . . . Before Working Inside Your Computer 2 3 Battery . . . . . . . . . . 10 . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Removing the Battery . . . . . . . . . . . . . . . . . . 13 Replacing the Battery . . . . . . . . . . . . . . . . . . 14 . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing the Optical Drive 6 Palm-Rest Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing the Palm-Rest Assembly . . . . . . . . . . . Replacing the Palm-Rest Assembly . 7 8 9 Power Button Board 25 28 31 . . . . . . . . . . . 31 Replacing the Power Button Board . . . . . . . . . . . 32 Hard Drive . . . . . . . . . . . . . . . . . . . . . . . 33 Removing the Hard Drive . . . . . . . . . . . . . . . . 33 Replacing the Hard Drive . . . . . . . . . . . . . .
11 Coin-Cell Battery . . . . . . . . . . . . . . . . . . . 43 Removing the Coin-Cell Battery . . . . . . . . . . . . . 43 Replacing the Coin-Cell Battery . . . . . . . . . . . . . 45 . . . . . . . . . . . . . . . . . . . . . . . 47 12 USB Board . Removing the USB Board . . . . . . . . . . . . . . . . 47 Replacing the USB Board . . . . . . . . . . . . . . . . 48 13 Thermal Cooling Assembly . . . . . . . . . . . 49 Removing the Thermal Cooling Assembly . . . . . . .
Removing the Display Assembly . . . . . . . . . . 59 Replacing the Display Assembly . . . . . . . . . . 61 . . . . . . . . . . . . . . . . . . . . . . 62 Display Bezel . Removing the Display Bezel . . . . . . . . . . . . 62 Replacing the Display Bezel . . . . . . . . . . . . 63 Removing the Display Panel . . . . . . . . . . . . 63 Replacing the Display Panel . . . . . . . . . . . . 66 17 Camera Module . . . . . . . . . . . . . . . . . . . Removing the Camera Module . . . . . . . . .
Contents 7
Contents
1 Before You Begin This manual provides procedures for removing and installing components in your computer. Before you begin any procedure in this book, ensure that: • You have performed the steps in "Turning Off Your Computer" on page 9 and "Before Working Inside Your Computer" on page 10. • You have read the safety information that shipped with your computer. • A component can be replaced or—if purchased separately—installed by performing the removal procedure in the reverse order.
Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and 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.
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" on page 13, before working inside the computer. 7 Remove the battery. See "Removing the Battery" on page 13. 8 Turn the computer top-side up, open the display, and press the power button to ground the system board.
Before You Begin
2 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.
3 2 1 1 battery release latch 3 battery lock latch 2 battery Replacing the Battery 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the battery into the battery bay until it clicks into place. 3 Slide the battery lock latch to the lock position.
3 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.
1 2 3 1 plastic scribe 3 keyboard 2 tabs (4) CAUTION: Be extremely careful when removing and handling the keyboard. Failure to do so could result in scratching the display panel. 5 Without pulling hard on the keyboard, hold it towards the display. 6 Lift the connector latch that secures the keyboard cable to the connector on the system board and remove the keyboard cable. 7 Lift the keyboard off the computer.
2 1 1 keyboard cable 2 keyboard Replacing the Keyboard 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the keyboard cable into the connector on the system board. Press down on the connector latch to secure the keyboard cable to the connector on the system board. 3 Slide the tabs on the keyboard into the slots on the palm rest. 4 Gently press around the edges of the keyboard to lock the four tabs securing the keyboard. 5 Close the display and turn the computer over.
Keyboard
4 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. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
1 3 2 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 connector labeled “DIMM A” before you install a memory module in the connector labeled “DIMM B.” 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the notch in the memory module with the tab in the memory-module connector.
2 1 1 tab 2 notch 4 Replace the keyboard. See "Replacing the Keyboard" on page 17. 5 Replace the battery, see "Replacing the Battery" on page 14, or connect the AC adapter to your computer and an electrical outlet. 6 Turn on the computer. As the computer boots, it detects the memory module(s) and automatically updates the system configuration information. To confirm the amount of memory installed in the computer: Click Start Control PanelSystem and SecuritySystem.
Memory
5 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.
1 2 3 4 1 plastic scribe 2 screw 3 optical drive 4 notch Replacing the Optical Drive 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the optical drive into the optical-drive compartment until it is fully seated. 3 Replace the screw that secures the optical drive to the computer base. 4 Replace the keyboard. See "Replacing the Keyboard" on page 17. 5 Replace the battery. See "Replacing the Battery" on page 14.
6 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.
4 Remove the keyboard. See "Removing the Keyboard" on page 15. 5 Remove the three screws on the palm-rest assembly. CAUTION: Pull on the plastic tab on top of the connectors to avoid damaging the connectors. 6 Lift the connector latch that secures the power-button board cable and touch-pad cable to the connectors on the system board and remove the cables.
1 1 power-button board cable 2 2 touch-pad cable CAUTION: Carefully separate the palm rest from the computer base to avoid damage to the palm rest. 7 Using a plastic scribe, carefully pry out the palm-rest assembly and then ease the palm-rest assembly from the computer base 8 Lift the palm-rest assembly off the computer base.
2 1 1 palm-rest assembly 2 plastic scribe 9 Remove the power button board. See "Removing the Power Button Board" on page 31. Replacing the Palm-Rest Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Replace the power button board. See "Replacing the Power Button Board" on page 32. 3 Align the palm-rest assembly on the computer base and gently snap the palm-rest assembly into place.
8 Replace the battery. See "Replacing the Battery" on page 14. 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.
Palm-Rest Assembly
7 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.
3 1 2 1 tabs (2) 3 screw 2 power button board Replacing the Power Button Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the power button board under the tabs on the palm rest and align the screw hole on the power button board with the screw hole on the palm rest. 3 Replace the screw that secures the power button board to the palm rest. 4 Slide the power-button board cable through the slot on the palm-rest assembly. 5 Turn the palm-rest assembly over.
8 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. CAUTION: Only a certified service technician should perform repairs on your computer.
4 Slide the hard-drive assembly to the left to disconnect it from the connector on the system board. 5 Lift the hard-drive assembly out of the computer base. 1 1 hard-drive assembly 6 Remove the two screws that secure the hard-drive bracket to the hard drive. 7 Lift the hard-drive bracket away from the hard drive.
1 3 2 1 hard drive 3 hard-drive bracket 2 screws (2) Replacing the Hard Drive 1 Follow the instructions in "Before You Begin" on page 9. 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 bracket on the hard drive. 4 Replace the two screws that secure the hard-drive bracket to the hard drive. 5 Place the hard-drive assembly on the computer base.
Hard Drive
9 Wireless Mini-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: 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.
6 Lift the Mini-Card out of the connector on the system board. 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. 1 2 1 Mini-Card antenna cables (2) 2 tab Replacing the Mini-Card 1 Follow the instructions in "Before You Begin" on page 9. 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. If you feel resistance, check the connectors on the card and on the system board, and realign the card. CAUTION: To avoid damage to the Mini-Card, never place cables under the card. 3 Insert the Mini-Card connector at a 45-degree angle into the connector on the system-board.
Wireless Mini-Card
10 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: 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).
2 3 1 1 audio-board cable 3 audio board 2 tab Replacing the Audio Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Use the alignment posts on the computer base to place the audio board in place and press the audio board until it clicks into place. 3 Slide the audio-board cable into the connector on the system board. Press down on the connector latch to secure the audio-board cable to the connector on the system board.
11 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.
1 2 3 4 1 battery socket 2 coin-cell battery 3 coin-cell battery cable 4 audio-board cable For Inspiron M4040: a Using a plastic scribe, gently pry the coin-cell out of the battery socket on the system board. b Lift the coin-cell battery out of the battery socket on the system board.
1 plastic scribe 2 coin-cell battery Replacing the Coin-Cell Battery 1 Follow the instructions in "Before You Begin" on page 9. For Inspiron M4040: With the positive side up, snap the coin-cell battery into the battery socket on the system board. For Inspiron 14-N4050: a Slide the coin-cell battery into the battery socket on the computer base. b Connect the coin-cell battery cable to the connector on the system board. c Slide the audio-board cable into the connector on the system board.
Coin-Cell Battery
12 USB 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: 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.
1 2 3 1 screw 3 USB-board cable 2 USB board Replacing the USB Board 1 Follow the procedures in "Before You Begin" on page 9. 2 Slide the connectors on the USB board into the slots on the computer base and align the screw hole on USB board with the screw hole on the computer base. 3 Replace the screw that secures the USB board to the computer base. 4 Slide the USB-board cable into the connector on the system board.
Thermal Cooling Assembly 13 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.
1 2 3 1 thermal cooling assembly 3 captive screws (4) 2 fan cable Replacing the Thermal Cooling Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the four captive screws on the thermal cooling assembly with the screw holes on the system board and tighten the screws in sequential order (indicated on the thermal cooling assembly). 3 Connect the fan cable to the connector on the system board.
14 Processor Module (For Inspiron 14-N4050 Only) 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.
CAUTION: When removing the processor module, pull the module straight up. Be careful not to bend the pins on the processor module. 6 Lift the processor module from the ZIF socket. 3 1 1 processor module 3 ZIF-socket cam screw 2 2 ZIF socket Replacing the Processor Module 1 Follow the instructions in "Before You Begin" on page 9.
2 Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then insert the processor module. 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. 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.
Processor Module (For Inspiron 14-N4050 Only)
15 Hinge 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: 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.
4 Turn the computer over. 5 Pry the hinge cover off the computer base.
1 hinge cover Replacing the Hinge Cover 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the tabs on the hinge cover with the slots on the computer base and snap the hinge cover into place. 3 Turn the computer over. 4 Replace the two screws that secure the hinge cover to the computer base. 5 Replace the battery. See "Replacing the Battery" on page 14. CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer.
Hinge Cover
Display 16 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.
1 3 2 1 display cable 3 Mini-Card antenna cables 2 Mini-Card 10 Remove the two screws that secure the display assembly to the computer base. 11 Lift and remove the display assembly out of the computer base.
1 2 1 display assembly 2 screws (2) Replacing the Display Assembly 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the display assembly in position and replace the two screws that secure the display assembly to the computer base. 3 Route the display cable and Mini-Card antenna cables through the routing guides. 4 Connect the display cable to the connector on the system board. 5 Connect the Mini-Card antenna cables to the Mini-Card. 6 Replace the hinge cover.
9 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 10 Replace the battery. See "Replacing the Battery" on page 14. 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 Bezel Removing the Display Bezel 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the display assembly.
1 display bezel Replacing the Display Bezel 1 Follow the instructions in "Before You Begin" on page 9. 2 Realign the display bezel over the display panel and gently snap into place. 3 Replace the display assembly. See "Replacing the Display Assembly" on page 61. 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.
5 4 3 2 1 1 display cable 2 display cover 3 display panel 4 Mini-Card antenna cables 5 screws (6) 7 Lift the display panel off the display cover. 8 Remove the four screws (two on each side) that secure the display-panel brackets to the display panel.
1 2 1 screws (4) 2 display-panel brackets (2) 9 Turn the display panel over and place it on a clean surface. 10 Peel and lift the tape that secures the display cable to the display-board connector and disconnect the display cable. 11 Make a note of the display cable routing and peel the cable from the back of the display panel.
1 2 3 1 tape 3 display cable 2 display-board connector Replacing the Display Panel 1 Follow the instructions in "Before You Begin" on page 9. 2 Attach the display cable to the back of the display panel. 3 Connect the display cable to the display-board connector and secure it with the tape. 4 Turn the display panel over. 5 Align the screw holes on the display-panel bracket with the screw holes on the display panel and replace the four screws (two on each side).
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
17 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.
2 3 1 1 camera module 3 tabs (2) 2 camera cable Replacing the Camera Module 1 Follow the instructions in "Before You Begin" on page 9. 2 Connect the camera cable to the connector on the camera module. 3 Use the alignment posts on the display cover to place the camera module in position and snap the camera module into place. 4 Replace the display bezel. See "Replacing the Display Bezel" on page 63. 5 Replace the display assembly. See "Replacing the Display Assembly" on page 61.
8 Replace the optical drive. See "Replacing the Optical Drive" on page 24. 9 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 10 Replace the battery. See "Replacing the Battery" on page 14. 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.
Camera Module
18 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.
10 Remove the thermal cooling assembly. See "Removing the Thermal Cooling Assembly" on page 49. 11 Remove the processor. See "Removing the Processor Module" on page 51. 12 Disconnect the display cable, speakers cable, audio-board cable, USB-board cable, coin-cell battery cable, and AC-adapter cable from the connectors on the system board.
1 2 1 screws (2) 2 system board Replacing the System Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the connectors on the system board into the slots on the computer base. 3 Replace the two screws that secure the system board to the computer base. 4 Connect the display cable, speakers cable, audio-board cable, USB-board cable, coin-cell battery cable, and AC-adapter cable to the connectors on the system board. 5 Replace the processor.
9 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28. 10 Replace the optical drive. See "Replacing the Optical Drive" on page 24. 11 Replace the memory module(s). See "Replacing the Memory Module(s)" on page 20. 12 Replace the keyboard. See "Replacing the Keyboard" on page 17. 13 Replace the battery. See "Replacing the Battery" on page 14. 14 Replace any removed cards or blanks in the 3-in-1 media card reader.
19 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. If you have your computer’s Service Tag: a Click Enter a Tag.
8 Double-click the file icon on the desktop and follow the instructions on the screen.
