Dell P174G Service Manual page 36

Steps
1.
NOTE: The steps from 1 to 4 apply only to computers shipped with a WWAN antenna installed in the display assembly.
Remove the single screw (M2x2) securing the Darwin antenna cable bracket on the system board.
2. Remove the Darwin antenna cable bracket from the system board.
3. Disconnect both the Darwin antenna cables from the respective connectors on the I/O daughter-board.
4. Unroute the antenna cables from the from the routing guide on the I/O daughter-board.
5. Remove the two screws (M2x2) securing the display cable bracket to the system board.
6. Lift the display cable bracket off the system.
7. Using the pull tab, disconnect and peel the camera cable and display cable from the system board.
8. Remove the four screws (M2.5x5) that secure the display hinges to the system board and lift hinges away from base 45 to
90 degrees to allow clearance for base removal.
9. Lift the base assembly slightly at an angle.
10. Lift the base assembly away from the display assembly.
NOTE: The display assembly is a Hinge-Up Design (HUD) assembly and cannot be further disassembled once it is
removed from the bottom chassis. If any components in the display assembly are malfunctioning and is required to be
replaced, replace the entire display assembly.
36 Removing and installing components