Dell Precision 5490 - System Board; Removing the System Board

System board
Removing the system board
CAUTION: The information in this removal section is intended for authorized service technicians only.
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the M.2 2230 solid state drive or M.2 2280 solid state drive.
4. Remove the battery.
5. Remove the processor fan.
6. Remove the graphics-card fan.
7. Remove the audio jack.
8. Remove the heat sink for integrated graphics or heat sink for discrete graphics.
About this task
The following image indicates the connectors on your system board:
Figure 58. Connectors on your system board
Removing and installing Field Replaceable Units (FRUs)
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