Dell Chromebook 3110 Service Manual - Page 63

Installing the palm-rest assembly, About this task, Steps, Prerequisites

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3. Remove the WWAN card for systems enabled with 4G LTE. 4. Remove the 3-cell battery. 5. Remove the keyboard. 6. Remove the display assembly. 7. Remove the system board. 8. Remove the speakers. About this task NOTE: The palm-rest assembly cannot be further disassembled once all of the pre-removal parts procedures are completed. If the touchpad frame, touchpad support bracket, touchpad mylar, touchpad module, touchpad FFC, conductive tape or thermal pad are malfunctioning and need to be replaced, replace the entire palm-rest assembly. The following image shows the palm-rest assembly after performing the pre-removal parts procedures for any palm-rest assembly replacement. Steps After performing the pre-requisites you are left with the palm-rest assembly. Installing the palm-rest assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the palm-rest assembly. NOTE: If the CPU thermal pad on the palm-rest (underneath the system board) gets detached, adhere it back onto the palm-rest. Removing and installing components 63

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3.
Remove the
WWAN card
for systems enabled with 4G LTE.
4.
Remove the
3-cell battery
.
5.
Remove the
keyboard
.
6.
Remove the
display assembly
.
7.
Remove the
system board
.
8.
Remove the
speakers
.
About this task
NOTE:
The palm-rest assembly cannot be further disassembled once all of the pre-removal parts procedures are
completed. If the touchpad frame, touchpad support bracket, touchpad mylar, touchpad module, touchpad FFC, conductive
tape or thermal pad are malfunctioning and need to be replaced, replace the entire palm-rest assembly.
The following image shows the palm-rest assembly after performing the pre-removal parts procedures for any palm-rest
assembly replacement.
Steps
After performing the pre-requisites you are left with the palm-rest assembly.
Installing the palm-rest assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the palm-rest assembly.
NOTE:
If the CPU thermal pad on the palm-rest (underneath the system board) gets detached, adhere it back onto the
palm-rest.
Removing and installing components
63