Dell Latitude 7220EX, Service Manual

Page: 33 / 94

Steps
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.
Field service information 33