NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer.
NOTICE: To ensure maximum cooling for the microprocessor, do not touch the heat transfer areas on the thermal cooling assembly (TCA). The oils in your skin reduce the heat transfer capability of the thermal pads.
3. Remove the two 3-mm screws on the microprocessor shield that secure the thermal cooling assembly to the microprocessor module (see Figure 12).
4. Loosen the three captive screws securing the microprocessor shield to the microprocessor module.
5. Remove the microprocessor shield.
6. Rotate the arm of the thermal cooling assembly up and away from the microprocessor module.
NOTICE: When removing the microprocessor module, pull the module straight up. Do not move the tool from side to side to extract the processor board.
7 Use a microprocessor extractor tool to remove the microprocessor module.
The tool fits on the left side of the module aligned with white marks on the front and back edge of the processor board (see Figure 12).
NOTICE: Proper seating of the microprocessor module requires a considerable amount of force (approximately 35 pounds [16 kilograms]) applied above the module connector. A microprocessor module that is not properly seated can result in an intermittent connection and subsequent failures.
When you reinstall the microprocessor module in the system board, make sure that you align the microprocessor connector on the left side of the board and press down firmly on the metal plate that is directly over the connector. When the microprocessor module is seated, all four corners must be at the same height. If one or more corners of the module are higher than the others, the module is not seated correctly.
Pay attention to the corner without the mounting screw. If necessary, apply pressure directly over this corner to ensure the module is fully seated.
Rotate the arm of the thermal cooling assembly into place and replace the microprocessor shield. Replace the two 3-mm screws that secure the thermal cooling assembly arm and shield to the microprocessor module. Tighten the three captive screws on the corners of the shield to secure the microprocessor module and shield.
Display Assembly display assembly.
hinge cover display assembly.
hinge cover bottom case assembly'
Figure 13. Display Assembly bottom case assembly'
NOTICE: To avoid damaging the system board, the power cable, battery, and second battery (if installed) must be removed before you service the computer.
NOTICE: Do not remove the palmrest before you remove the display.
1. Remove the keyboard.
2. Close the display.
3. Remove the three 4-mm screws, labeled with a "circle D," from the back of the computer (see Figure 13).
4. Open the display.
5. Disconnect the LCD flex cable from the connector on the system board by pulling the connector straight up.
6. Lift the display assembly from the bottom case assembly.
Pry the hinge cover loose at the seam from the snap tabs on the bottom assembly (see Figure 13).
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