Dell Latitude C840 - Manual (Page 12)

2. Remove the M2.5 x 6-mm flex-cable strain relief screw, and then use the pull loop to remove the display flex cable from the graphics card.
3. Open the display and, from the back of the computer, remove the two M2.5 x 6-mm screws labeled "circle D" that secure the display assembly to the
bottom case.
4. With the display in an upright position, lift the display assembly from the bottom case.
1 M2.5 x 6-mm screw
2 strain relief
3 display flex cable
4 pull loop
NOTICE: When reconnecting the flex cable, press down on both ends of the connector, not in the middle. Pressing the middle of the connector can
damage fragile components.