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3. Tighten the ZIF socket by turning the cam screw clockwise to secure the processor to the system board. 4. Peel the backing off the thermal cooling pad and adhere the pad to the portion of the processor heat sink that covers the processor. 5. Replace the processor heat sink assembly (see Replacing the Processor Heat Sink Assembly). 6. Replace the system board (see Replacing the System Board). 7. Update the BIOS using a flash BIOS-update program CD (see Flashing the BIOS). Back to Contents Page CAUTION: Ensure that the cam lock is in the fully open position before seating the processor. Seating the processor properly in the ZIF socket does not require force. CAUTION: A processor that is not properly seated can result in an intermittent connection or permanent damage to the processor and ZIF socket. 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. Back to Contents Page Processor Heat Sink Assembly Removing the Processor Heat Sink Assembly Replacing the Processor Heat Sink Assembly Removing the Processor Heat Sink Assembly 1. Follow the instructions in Before You Begin. 2. Remove the system board (see Removing the System Board). 3. Turn the system board over and loosen the seven captive spring screws that secure the processor heat sink assembly to the system board. 4. Lift the processor heat sink assembly off the system board. Replacing the Processor Heat Sink Assembly 1. Follow the instructions in Before You Begin. 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 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 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 a connector on your computer). CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside 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. 1 captive spring screws (7) 2 processor heat sink WARNING: Before working inside your computer, follow the safety instructions that shipped with your computer. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface. 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. 2. Peel the backing off the thermal cooling pad and adhere the pad to the portion of the heat sink that covers the processor. 3. Place the processor heat sink assembly on the system board. 4. Tighten the seven captive spring screws that secure the processor heat sink assembly to the system board. 5. Replace the system board (see Replacing the System Board). Back to Contents Page Back to Contents Page Display Display Assembly Display Bezel Display Panel Display Panel Bracket Display Assembly Removing the Display Assembly 1. Follow the instructions in Before You Begin. 2. Remove the system board (see Removing the System Board). 3. Remove the WWAN module (see Removing the WWAN Module). 4. Remove the two screws at the base of the computer. 5. Remove the four screws (two on each side) that secure the display assembly to the computer base. 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 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). 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 screws (2) 6. Make note of the cable routing and carefully dislodge the cables from their routing guides. 7. Lift the display assembly away from the computer base. Repla...