System Board; Removing The System Board - Dell Latitude 7640 Service Manual
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Also See for Latitude 7640:
- Setup and specifications (29 pages) ,
- Technical manualbook (42 pages)
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System board
Removing the system board
Prerequisites
1. Follow the procedure in
2. Remove the
base
cover.
3. Remove the
M.2 2230 solid-state
4. Remove the
2-cell battery
5. Remove the heat-sink.
About this task
The following image indicates the connectors on your system board.
1. LCD connector
2. Touchscreen and IR-camera cable connector
3. M.2 solid-state drive connector
4. Clickpad FFC connector
5. Battery cable connector
6. USH daughter-board FFC connector
7. Coin-cell battery cable connector
8. Fan connector
NOTE:
For computers shipped without a WWAN card, a WWAN shielding cover and WWAN bracket is pre-installed to the
computer. As a result, follow the steps in the WWAN card removal/installation section to remove the WWAN shielding
cover and WWAN bracket before removing the system board.
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
Before working inside your
drive.
or
the3-cell
battery, whichever is applicable.
computer.
Removing and installing components
49
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