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Dell™ M140 Service Manual
Before You Begin Display Assembly and Display Latch
System Components Palm Rest
Internal Card With Bluetooth® Wireless Technology Microprocessor Thermal-Cooling Assembly
Hard Drive Fan
Optical Drive Microprocessor Module
Memory Module and Modem Speakers
Hinge Cover System Board
Keyboard BIOS Updates
Coin-Cell Battery Pin Assignments for I/O Connectors
Wireless Mini PCI Card
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps
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Back to Contents Page Before You Begin Dell™ XPS M140 Service Manual Preparing to Work Inside the Computer Recommended Tools Computer Orientation Screw Identification Preparing to Work Inside the Computer CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorize
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1 battery 2 battery bay latch release Recommended Tools The procedures in this document will require one or more of the following tools: l Small flat-blade screwdriver l Phillips screwdriver l Small plastic scribe l Flash BIOS update (see the Dell support website at support.dell.com) Computer Orientation 1 front 2 left 3 back 4 right Screw Identification The following chart provides the number of screws used to secure the various system components a
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Optical Drive: Modem: Bluetooth Module: (1 each – optional) (1 each) (1 each) Hinge Cover: Display Assembly: Display Bezel (screw): (2 each) (4 each) (6 each) Display Bezel (rubber bumper): Display Panel: Palm Rest (top): (6 each) (6 each) (4 each) Palm Rest (bottom): Fan: Speakers: (11 each) (3 each) (3 total) System Board (top): System Board (bottom): (1 each) (2 each)
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Back to Contents Page
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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. 1. Ensure that the AC adapter is plugged in and that the main battery is properly installed. 2. Turn on the computer. NOTE: If you use a BIOS update program CD to flash the BIOS, set up the computer to boot from a CD before ins
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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. Removing the Bluetooth Module CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Infor
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1 Bluetooth module 2 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. 1 Bluetooth module 2 Bluetooth module connector 3 Bluetooth connector cable Replacing the Bluetooth Module CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information
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5. Replace the M2 x 3-mm screw to secure the Bluetooth module to the base of the computer. 6. Replace the modem/Mini PCI/wireless cover and tighten the screws. Back to Contents Page
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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. 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
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2. Follow the instructions in Removing the Coin-Cell Battery. 3. Insert the new battery into the circular socket with the positive side up, then push it into place. 4. Replace the keyboard (see Replacing the Keyboard). 5. Replace the hinge cover (see Replacing the Hinge Cover). Back to Contents Page
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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. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the bac
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1 microprocessor pin-1 corner 3 processor die 5 ZIF-socket cam screw 2 microprocessor module 4 ZIF socket 6 screwdriver NOTICE: When removing the microprocessor module, pull the module straight up and out of the ZIF socket. Exercise care not to bend the pins on the microprocessor module. 5. Lift the microprocessor module straight up and out of the ZIF socket. Replacing the Microprocessor Module CAUTION: Before you perform any of the procedures in this section, follow the saf
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6. Replace the microprocessor module cover. 7. Update the BIOS using a flash BIOS update program floppy disk or CD. For instructions on how to flash the BIOS, see BIOS Updates. Back to Contents Page
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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. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
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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. 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
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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. Remove display assembly (see Removing the Display Assembly). 5. Use a plastic scribe to remove the six rubber bumpers from around the display assembly. It is not necessary to remove the oval bumpers located on the sides of the display. 6. Remove the six M2.5 x 5-mm screws f
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5. Replace the six rubber bumpers to cover the screws. 6. Replace the display assembly (see Replacing the Display Assembly). 7. Replace the keyboard (see Replacing the Keyboard). 8. Replace the hinge cover (see Replacing the Hinge Cover). 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,
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1 display panel 2 M2 x 3-mm screws (6) 3 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. 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
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10. Replace the hinge cover (see Replacing the Hinge Cover). Display Latch Removing the Display Latch 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. 1. Follow the instructions in Preparing to Work Inside
