Dell P115F, Руководство по обслуживанию, Страница: 75 / 113

Steps
1. Remove the (M2x5) screw that secures the WLAN bracket to the system board.
2. Lift to remove the WLAN bracket.
3. Disconnect the antennas from their connectors.
4. Remove the three (M2x5) screws that secure the display cable bracket in place.
5. Remove the display cable bracket from the computer.
6. Disconnect the touch screen cable (for models shipped with a touch screen) or IR camera cable (for models that are shipped
with an IR camera) and display cable from their connectors on the system board.
7. Open the display assembly to a 180-degree angle and place the computer at the edge of a flat table so that the display
assembly can extend below the table.
NOTE: For computers shipped with IR camera configuration, disconnect the display cable and IR camera cable.
8. Remove the six (M2.5x5) screws that secure the hinges to the palmrest.
9. Remove the display assembly from the palmrest.
NOTE: The display assembly for Precision 7770 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 must be replaced, replace the entire display assembly.
Installing the display assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
Removing and installing components 75