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NOTICE: To avoid damaging the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor module when turning the cam screw. NOTE: The ZIF-socket cam screw secures the microprocessor module to the system board. 5. Lift the microprocessor module straight up and out of the ZIF socket. Replacing the Microprocessor Module 1. Follow the instructions in Preparing to Work Inside the Computer 2. Follow the instructions in Removing the Microprocessor Module. 3. Align the pin-1 corner of the new microprocessor module with the pin-1 corner of the ZIF socket, and insert the microprocessor module. When the microprocessor module is properly seated, all four corners of the module are aligned at the same height. If one or more corners of the module is higher than the others, the module is not properly seated. 4. Tighten the ZIF-socket cam lock by turning the cam screw clockwise to secure the microprocessor module to the system board. 5. Replace the microprocessor thermal-cooling assembly (see Replacing the Microprocessor Thermal- Cooling Assembly). 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. 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. NOTICE: Handle the microsprocessor module with care. Hold the microsprocessor module by its edges and do not touch the processor die (the small chip in the center of the module). NOTICE: Ensure that the cam lock is in the fully open position before seating the microprocessor module. Seating the microprocessor module properly in the ZIF socket does not require force. A microprocessor module that is not properly seated can result in an intermittent connection or permanent damage to the microprocessor and ZIF socket. NOTE: The pin-1 corner of the microprocessor module has a triangle that aligns with the triangle on the pin-1 corner of the ZIF socket. NOTE: Gently press down on the substrate on which the processor die is mounted to ensure the microprocessor module is properly seated. NOTICE: To avoid damaging the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor module when turning the cam screw. 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 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 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. Open the display all the way (180 degrees) so that it rests flat against your work surface. 5. Use the pull-tab to disconnect the display cable from the system board. 6. Remove the Mini PCI antenna cables from the retaining clips on the base of the computer and pull apart the connectors. 7. Remove the four M2.5 x 5-mm screws (two on each side) that connect the display assembly to the computer. 8. Lift the display assembly straight out of the computer. 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. Replacing the Display Assembly 1. Follow the instructions in Preparing to Work Inside the Computer 2. Follow the instructions in Removing the Display Assembly. 3. Align the new display assembly over the screw holes in the base of the computer. 4. Replace the four M2.5 x 5-mm screws (two on each side) to secure the display assembly to the base of the computer. 5. Connect the Mini PCI antenna cable connectors and press the cables into the retaining clips on the base of the computer. 6. Connect the display cable to the system board. 7. Replace the keyboard (see Replacing the Keyboard). 8. Replace the hinge cover (see Replacing the Hinge Cover). Display Bezel Removing the Display Bezel 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) 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 yours...