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Dell XPS M140 Service Manual

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See also: Service Manual , Owner's Manual
Dell™ XPS M140 Service Manual
Before You Begin
System Components
Internal Card With Bluetooth® Wireless
Technology
Hard Drive
Optical Drive
Memory Module and Modem
Hinge Cover
Keyboard
Coin-Cell Battery
Wireless Mini PCI Card
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
Information in this document is subject to change without notice.
© 2005 Dell Inc. All rights reserved.
Reproduction 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.; Intel is a registered
trademark of Intel Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation; Bluetooth
is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. 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.
Model PP19L
October 2005 Rev. A00
Display Assembly and Display Latch
Palm Rest
Microprocessor Thermal-Cooling
Assembly
Fan
Microprocessor Module
Speakers
System Board
BIOS Updates
Pin Assignments for I/O Connectors

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Summary of Contents for Dell XPS M140

  • Page 1 Reproduction 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.; Intel is a registered trademark of Intel Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc.

  • Page 2: Before You Begin

    NOTICE: 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. NOTICE: 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.

  • Page 3: Recommended Tools

    Recommended Tools The procedures in this document will require one or more of the following tools: Small flat-blade screwdriver Phillips screwdriver Small plastic scribe Flash BIOS update (see the Dell support website at support.dell.com)

  • Page 4: Computer Orientation

    Computer Orientation front left back right Screw Identification The following chart provides the number of screws used to secure the various system components and their corresponding sizes. When removing and replacing components, print the screw identification chart as a placemat to lay out and keep track of the screws.
  • Page 5 Hinge Cover: Display Assembly: Display Bezel (screw): (2 each) (4 each) (6 each) Display Bezel (rubber Display Panel: Palm Rest (top): bumper): (6 each) (4 each) (6 each) Palm Rest (bottom): Fan: Speakers: (11 each) (3 each) (3 total) System Board (top): System Board (bottom): (1 each) (2 each)
  • Page 6 Back to Contents Page...

  • Page 7: System Components

    System Components Dell™ XPS M140 Service Manual NOTICE: 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. Exploded View of the Computer...
  • Page 8 1 display assembly optical drive 11 microprocessor thermal-cooling assembly 2 hinge cover main battery 12 microprocessor 3 keyboard computer 13 fan base 4 palm rest (with touch hard drive pad) 5 system board 10 speakers Back to Contents Page...

  • Page 10: Internal Card With Bluetooth® Wireless Technology

    Back to Contents Page Internal Card With Bluetooth® Wireless Technology Dell™ XPS M140 Service Manual Removing the Bluetooth Module Replacing the Bluetooth Module NOTE: If you ordered the optional internal card with Bluetooth wireless technology at the same time that you ordered your computer, the card is already installed.
  • Page 11 3. Remove the M2 x 3-mm screw securing the Bluetooth module and set it aside. Bluetooth module M2 x 3-mm screw 4. Lift the Bluetooth module from its compartment. 5. Grasp the card and gently pull it apart from the connector cable. NOTE: Do not disconnect the Bluetooth connector cable from the system board.

  • Page 12: Replacing The Bluetooth Module

    Replacing the Bluetooth Module CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.

  • Page 13: Removing The Hard Drive

    NOTE: Dell does not guarantee compatibility or provide support for hard drives obtained from sources other than Dell. NOTE: If you are installing a hard drive obtained from a source other than Dell, you may need to install an operating system, drivers, and utilities on the new drive.

  • Page 14: Replacing The Hard Drive

    hard drive cover captive screws (2) NOTICE: When the hard drive is not in the computer, store it in protective, antistatic packaging. See "Protecting Against Electrostatic Discharge" in the Product Information Guide. 3. Use the pull-tab to slide the hard drive toward the screw holes, then lift the drive straight up to remove it from the computer.

  • Page 15: Returning A Hard Drive To Dell

    Owner's Manual). Returning a Hard Drive to Dell Return your hard drive to Dell in the replacement drive's foam packaging. Otherwise, the hard drive may be damaged in transit. NOTE: The hard drive should be inserted in the replacement drive's antistatic bag before being placed in the foam packaging.

  • Page 17: About The Device Security Screw

    Your Dell™ computer ships with a CD/DVD drive installed in the optical drive bay along with an M2.5 x 8-mm device security screw. If the security screw is not already installed, it will be packaged separately. When you insert a drive into the bay, you can install the device security screw to prevent the drive from being easily removed.
  • Page 18 1 indention 2 M2.5 x 8-mm device security screw (optional) 3. Insert the screwdriver into the indention and push the notch on the metal tab to release the drive from the bay. metal tab optical drive 4. Pull the drive out of the bay.

  • Page 19: Replacing The Optical Drive

    Replacing the Optical Drive CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. 1. Follow the instructions in Preparing to Work Inside the Computer. 2. Follow the instructions in Removing the Optical Drive.

  • Page 20: Memory Module And Modem

    Replacing a Memory Module Modem Your Dell computer comes equipped with two memory slots/connectors labeled DIMM A and DIMM B. DIMM A (located under the keyboard) holds the primary memory module as configured from the factory. DIMM B (located on the bottom of the computer) holds any additional memory you may have ordered.
  • Page 21 memory module cover captive screws (2) NOTICE: To prevent damage to the memory module connector, do not use tools of any kind to spread the metal clips that secure the module. 3. Use your fingertips to carefully spread apart the metal clips securing each end of the memory module until the module pops up.

  • Page 22: Memory Module Dimm A

    Memory Module DIMM A 1. Follow the instructions in Preparing to Work Inside the Computer. 2. Remove the hinge cover (see Removing the Hinge Cover). 3. Remove the keyboard (see Removing the Keyboard). 4. Loosen the two captive screws securing the memory module cover, then remove the cover and set it aside. memory module cover captive screws (2) NOTICE: To prevent damage to the memory module connector, do not use tools of any kind to spread the metal...

  • Page 23: Replacing A Memory Module

    5. Use your fingertips to carefully spread apart the metal clips securing each end of the memory module until the module pops up. memory module metal retention clips (2) 6. Remove the memory module from the connector at a 45-degree angle. Replacing a Memory Module CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 24 NOTICE: If you need to install more than one memory module, install a memory module in the memory slot labeled DIMM A before installing a module in the slot labeled DIMM B. Insert memory modules at a 45-degree angle to avoid damaging the connector. NOTE: If a memory module is not installed properly, the computer may not boot.

  • Page 25: Removing The Modem

    Find information about the hardware installed on this computer. Access the System Setup Program at startup by pressing <F2> immediately when the DELL logo appears. If you wait too long and the Microsoft® Windows® logo appears, continue to wait until you see the Windows desktop, then shut down your computer and try again.
  • Page 26 modem/Mini PCI/wireless cover captive screws (2) 3. Disconnect the antenna cables from the Mini PCI card, if applicable. NOTE: The Mini PCI card is optional and may not be installed if one was not ordered with the computer. Mini PCI antenna cables 4.

  • Page 27: Replacing The Modem

    5. Pull straight up on the attached pull-tab to disconnect the modem from the connector on the system board. 6. Disconnect the modem cable from the modem. modem M2 x 3-mm screw pull tab modem cable system board connector Replacing the Modem CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 28 Align the modem with the screw hole and press the modem into the connector on the system board. 5. Replace the M2 x 3-mm screw and secure the modem to the system board. 6. Connect the Mini PCI antenna cables, if applicable. 7.

  • Page 29: Removing The Hinge Cover

    Back to Contents Page Hinge Cover Dell™ XPS M140 Service Manual Removing the Hinge Cover Replacing the Hinge Cover Removing the Hinge Cover CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 30: Replacing The Hinge Cover

    hinge cover indent Replacing the Hinge Cover CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.

  • Page 31: Removing The Keyboard

    Back to Contents Page Keyboard Dell™ XPS M140 Service Manual Removing the Keyboard Replacing the Keyboard Removing the Keyboard CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.
  • Page 32 keyboard keyboard retention tabs palmrest 4. Lift the keyboard and hold it up and slightly forward to allow access to the keyboard connector. 5. Release the latch on the system board connector to disconnect the keyboard cable.

  • Page 33: Replacing The Keyboard

    1 keyboard 3 keyboard connector tabs 5 system board connector slots 2 keyboard cable 4 system board connector 6 keyboard tabs (6) Replacing the Keyboard CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 34: Removing The Coin-Cell Battery

    Back to Contents Page Coin-Cell Battery Dell™ XPS M140 Service Manual Removing the Coin-Cell Battery Replacing the Coin-Cell Battery Removing the Coin-Cell Battery CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 35: Replacing The Coin-Cell Battery

    coin-cell battery Replacing the Coin-Cell Battery CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.

  • Page 36: Wireless Mini Pci Card

    Back to Contents Page Wireless Mini PCI Card Dell™ XPS M140 Service Manual Removing the Mini PCI Card Replacing the Mini PCI Card NOTE: If you ordered the optional Mini PCI card at the same time that you ordered your computer, the card is already installed.
  • Page 37 3. Disconnect the antenna cables from the Mini PCI card. antenna cables NOTICE: To prevent damage to the Mini PCI card connector, do not use tools of any kind to spread the metal clips that secure the Mini PCI card. 4.

  • Page 38: Replacing The Mini Pci Card

    Replacing the Mini PCI Card CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.
  • Page 39 Mini PCI card 4. Connect the antenna cables to the Mini PCI card. Make certain that the cable connectors snap securely into place. antenna cables 5. Replace the modem/Mini PCI/wireless cover and tighten the screws. Back to Contents Page...

  • Page 40: Display Assembly And Display Latch

    Back to Contents Page Display Assembly and Display Latch Dell™ XPS M140 Service Manual Display Assembly Display Bezel Display Panel Display Latch Display Assembly Removing the Display Assembly CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 41: Replacing The Display Assembly

    1 display assembly 3 antenna cable retaining clips 5 display cable 2 Mini PCI antenna cables 4 antenna cable connectors 6 M2.5 x 5-mm screws (4) Replacing the Display Assembly CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 42: Removing The Display Bezel

    6. Remove the six M2.5 x 5-mm screws from around the display assembly. NOTICE: To avoid damaging the bezel, carefully separate the bezel from the display assembly by starting along the bottom of the display (near the Dell logo) and working around the edge of the display towards the release latch.

  • Page 43: Replacing The Display Bezel

    Removing the Display Bezel. 3. Starting near the hinges (near the Dell logo), use your fingers to snap the new bezel into place. 4. Replace the six M2.5 x 5-mm screws to secure the bezel. 5. Replace the six rubber bumpers to cover the screws.

  • Page 44: Removing The Display Panel

    Display Panel Removing the Display Panel CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.
  • Page 45 display panel M2 x 3-mm screws (6) display cover 8. Press inward on the metal clamps on both sides of the top flex-cable connector and gently pull to disconnect the top flex-cable connector from the display locking connector. 9. Use the pull-tab to disconnect the bottom flex-cable connector from the inverter connector.

  • Page 46: Replacing The Display Panel

    1 back of display panel 3 metal clamps 5 inverter connector 2 top flex-cable connector 4 bottom flex-cable connector Replacing the Display Panel CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 47: Replacing The Display Latch

    2. Remove the hinge cover (see Removing the Hinge Cover). 3. Remove the keyboard (see Removing the Keyboard). 4. Remove display assembly (see Removing the Display Assembly). 5. Remove the display bezel (see Removing the Display Bezel). NOTICE: The display latch spring is not physically connected to the latch assembly. Exercise care that the spring is not lost.
  • Page 48 3. Insert the guide post of the new display latch assembly (with spring) into the slot on the display (top) cover. NOTE: When the guide post is in position, the display latch assembly may automatically snap into place. 4. Press the remainder of the display latch assembly into place, as needed. 5.

  • Page 49: Removing The Palm Rest

    Back to Contents Page Palm Rest Dell™ XPS M140 Service Manual Removing the Palm Rest Replacing the Palm Rest Removing the Palm Rest CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 50 modem/Mini PCI/wireless cover captive screws (2) 8. Remove the eleven M2.5 x 8-mm screws securing the palm rest from the bottom of the computer. M2.5 x 8-mm screws (11) 9. Turn the computer over and remove the four M2.5 x 5-mm screws securing the top of the palm rest. NOTICE: Release the locking tabs on both sides of the system board connector before attempting to remove the touch pad or LED cable.
  • Page 51 connector. 10. Disconnect the touch pad cable. Use a plastic scribe to release the locking clips on both sides of the system board connector, and then gently pull to disconnect the touch pad connector from the system board connector. 11. Disconnect the LED board cable. Use a plastic scribe to release the locking clips on both sides of the system board connector, and then gently pull to disconnect the LED board connector from the system board connector.

  • Page 52: Replacing The Palm Rest

    palmrest hinge brackets Replacing the Palm Rest CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.
  • Page 53 10. Replace the display assembly (see Replacing the Display Assembly). 11. Replace the keyboard (see Replacing the Keyboard). 12. Replace the hinge cover (see Replacing the Hinge Cover). 13. Replace the optical drive (see Replacing the Optical Drive). Back to Contents Page...

  • Page 54: Removing The Microprocessor Thermal-Cooling Assembly

    Back to Contents Page Microprocessor Thermal-Cooling Assembly Dell™ XPS M140 Service Manual Removing the Microprocessor Thermal-Cooling Assembly Replacing the Microprocessor Thermal-Cooling Assembly Removing the Microprocessor Thermal-Cooling Assembly CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 55: Replacing The Microprocessor Thermal-Cooling Assembly

    1 microprocessor thermal-cooling assembly 2 captive screws (4) Replacing the Microprocessor Thermal-Cooling Assembly CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.

  • Page 56: Removing The Fan

    Back to Contents Page Dell™ XPS M140 Service Manual Removing the Fan Replacing the Fan Removing the Fan CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.

  • Page 57: Replacing The Fan

    1 fan 2 M2.5 x 5-mm screws (3) 3 fan connector 4 system board connector Replacing the Fan CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.

  • Page 59: Removing The Microprocessor Module

    Back to Contents Page Microprocessor Module Dell™ XPS M140 Service Manual Removing the Microprocessor Module Replacing the Microprocessor Module Removing the Microprocessor Module CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

  • Page 60: Replacing The Microprocessor Module

    thermal pads. 3. Remove the microprocessor thermal-cooling assembly (see Removing the Microprocessor Thermal- Cooling Assembly). NOTICE: To avoid damaging the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor module when turning the cam screw. 4. To loosen the ZIF-socket cam lock, use a small, flat-blade screwdriver to rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.
  • Page 61 NOTICE: 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. 1. Follow the instructions in Preparing to Work Inside the Computer NOTICE: Handle the microsprocessor module with care.

  • Page 62: Removing The Speakers

    Back to Contents Page Speakers Dell™ XPS M140 Service Manual Removing the Speakers Replacing the Speakers Removing the Speakers CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.

  • Page 63: Replacing The Speakers

    1 speakers (2) 3 speaker cable 5 guide post slots (4) 2 M2.5 x 5-mm screws (3) 4 speaker connector Replacing the Speakers CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 64 8. Replace the display assembly (see Replacing the Display Assembly). 9. Replace the keyboard (see Replacing the Keyboard). 10. Replace the hinge cover (see Replacing the Hinge Cover). 11. Replace the optical drive (see Replacing the Optical Drive). Back to Contents Page...

  • Page 65: Removing The System Board

    Back to Contents Page System Board Dell™ XPS M140 Service Manual Removing the System Board Replacing the System Board Removing the System Board CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
  • Page 66 14. Remove the palmrest (see Removing the Palm Rest). 15. Remove the two M2 x 3-mm screws securing the system board from the bottom of the computer. M2 x 3-mm screws (2) 16. Turn the computer over so that the bottom is facing down and remove the M2.5 x 5-mm screw securing the system board.
  • Page 67 1 M2.5 x 5-mm screw 3 speaker connector 5 modem connector 2 system board 4 fan connector 20. With the rear of the computer facing you, gently lift the system board assembly from the left side, then slide the system board assembly to the left and lift up on the right side to raise the assembly out of the computer. NOTE: It may be necessary to press outward slightly on the plastic around the connectors on the left side of the computer to lift the system board and remove it.

  • Page 68: Replacing The System Board

    Replacing the System Board CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: 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.

  • Page 69: Bios Updates

    Back to Contents Page BIOS Updates Dell™ XPS M 140 Service Manual Flashing the BIOS Flashing the BIOS NOTICE: Plug the AC adapter into a known-good power source to prevent a loss of power. Failure to do so may cause damage to the computer.

  • Page 70: Pin Assignments For I/O Connectors

    Back to Contents Page Pin Assignments for I/O Connectors Dell™ XPS M140 Service Manual USB Connector Video Connector S-Video TV-Out Connector IEEE 1394 Connector USB Connector Pin Signal USB5V+ USBP– USBP+ Video Connector Pin Signal Pin Signal CRT_R 9 CRT_G 10 CRT_B 11 MONITOR_DETECT–...

  • Page 71: S-Video Tv-Out Connector

    DDC_DATA CRT_HS CRT_VS DDC_CLK S-Video TV-Out Connector S-Video Pin Signal DLUMA-L DCRMA-L Composite Video Pin Signal DCMPS-L IEEE 1394 Connector Pin Signal...
  • Page 72 TPB– TPB+ TPA– TPA+ Back to Contents Page...

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