Dell Latitude 7410 Chromebook Service Manual - Page 49

Installing the system board

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Steps 1. Remove the single (M2x2.5) screws securing WWAN shield plate and remove it from the system. 2. Un-thread the wireless antennae cables. 3. Remove the two (M2x2) screws securing the shield plate on the eDP bracket and remove it from the system board. 4. Disconnect the following cables from the system board : ● Display cable ● Touchscreen cable (for systems shipped with touchscreen) ● Speaker cable ● Battery LED cable ● Touchpad cable 5. Remove the two (M2x5) screws securing the Type-C USB bracket to the system board. 6. Remove the USB Type-C bracket from the system board. 7. Remove the three (M2x2.5) screw securing the system board to the palmrest assembly. 8. Remove the system board from the system. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the system board and provide a visual representation of the installation procedure. Disassembly and reassembly 49

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Steps
1.
Remove the single (M2x2.5) screws securing WWAN shield plate and remove it from the system.
2.
Un-thread the wireless antennae cables.
3.
Remove the two (M2x2) screws securing the shield plate on the eDP bracket and remove it from the system board.
4.
Disconnect the following cables from the system board :
●
Display cable
●
Touchscreen cable (for systems shipped with touchscreen)
●
Speaker cable
●
Battery LED cable
●
Touchpad cable
5.
Remove the two (M2x5) screws securing the Type-C USB bracket to the system board.
6.
Remove the USB Type-C bracket from the system board.
7.
Remove the three (M2x2.5) screw securing the system board to the palmrest assembly.
8.
Remove the system board from the system.
Installing the system board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the system board and provide a visual representation of the installation procedure.
Disassembly and reassembly
49