Dell Latitude C640 Service Manual download pdf (Page 26)

Keyboard: Dell Latitude C540/C640 Service Manual

4 keyboard interface

connector

5 orientation label

8. Remove the keyboard from the bottom case.

Replacing the Keyboard

1. Place the keyboard on the palm rest at the front of the computer with the keys

face down and the connector toward the back of the computer.

NOTICE: To avoid damage to the connector pins, press the keyboard connector

evenly into the interface connector on the system board, and do not reverse the

keyboard connector.

2. Connect the keyboard connector to the interface connector on the system board.

The keyboard connector may have a label showing the correct orientation of the

keyboard connector (relative to the display) in the system-board interface

connector.

3. Carefully turn the keyboard over. Align the keyboard boss supports, fit the left

side of the keyboard into place, and then snap the right side of the keyboard

into place.

NOTICE: Position the keyboard flex and track stick cables so that they are not

pinched when you replace the keyboard in the bottom case.

4. Check that the keyboard is correctly installed. The keys should be flush with the

left and right surfaces of the palm rest.

5. Replace the center control cover, close the display assembly, and then turn the

computer over.

6. Reinstall the five M2.5 x 12-mm screws in the holes labeled "circle K."

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Dell Latitude C640 Service Manual Page 26