Latitude 7220EX Rugged Extreme Tablet Service Manual

Removing the display assembly

1. Place the tablet on a flat and clean surface and remove the 11 (M2.5x5) screws that secure the display assembly to the chassis.
   CAUTION Dispose of all the screws removed in this step. After disassembly, they no longer meet specifications and cannot be used for reassembly.
2. Flip the tablet.
3. Using a plastic scribe, gently pry the edges evenly to unlock the plastic clips that secure the display assembly to the chassis.
   NOTE Tip of the plastic scribe should be inserted to avoid damage to the seal on the display assembly and to the clips that secure the display assembly to the chassis.
4. Flip the LCD panel by an angle less than 90°.
   NOTE Ensure not to flip more than 90° angle, as the LCD panel ports and cables are connected to the system board and may damage the LCD cables.
5. Remove the adhesive tape. Using a plastic scribe, lift the latch and disconnect the eDP cable from the connector on the system board.
6. Remove the adhesive tape. Using a plastic scribe, lift the latch and release the function key cable from the connector on the system board.
7. Remove the adhesive tape. Using a plastic scribe, lift the latch and release the touch cable that is connected to the system board.
   CAUTION Dispose of the adhesive tape that is removed from Step 6 and Step 7. New tape must be used for reassembly.