Latitude 12 Rugged Extreme Tablet – 7212 Owner's Manual

Removing display assembly

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. Battery
3. To remove the display assembly (with plastic scribe):
   1. Place the display side of system on a smooth flat surface.
   2. Remove the screws (19) that secures the display panel to the tablet.
      
4. Flip the system so that the display assembly is at top view.
   
5. Insert a plastic scribe near the Windows button [1].
   NOTE:Pointed tip of the plastic scribe should be inserted to avoid damage to the seal on the LCD and to the clips that secure the LCD display to the tablet chassis.
6. Pry the edges starting from Windows button clockwise [1,2].
   

   NOTE:Gently pry the edges evenly to unlock the plastic clips that secures the display assembly to the tablet chassis.
7. Lift the display assembly [1] by angle 15° and slide it from the chassis [2].
   
8. Flip the display assembly by an angle less than 90°.
   
   NOTE:Ensure not to flip more than 90° angle, as the display assembly ports and cables are connected to the system board and may damage the display cables.
9. Before removing display assembly:
   1. Place the bottom edge of the display panel inside the bottom edge of the rear chassis.
   2. Flip open the display panel to 90° angle and lay it angled on the tablet chassis.
10. To disconnect the display cable:
    1. Remove the adhesive tape that secures the LVDS cable on the system board [1].
    2. Lift the latch with a plastic scribe on the system board.
    3. Disconnect the connector of LVDS cable from the slot by a plastic scribe [2] and remove the cable [3].
       
    4. Remove the adhesive tape that secures the Function Key cable on the system board [4].
    5. Lift the latch by a plastic scribe and release the Touch cable connected to the system board [5].
    NOTE:Disconnect only the display cable from the system board. NEVER disconnect the display cable from the display panel.
11. Remove the display assembly from the tablet.
    

    NOTE:DO NOT remove any cable or adhesive tape from the display panel, unless you are replacing the cables separately.