Dell Precision 3590 - Fingerprint reader (optional); Removing the fingerprint reader (optional)

Figure 93. Installing the sensor board
Steps
1. Place the sensor board on its slot on the display back cover.
2. Route the sensor-board cable through the routing guides on the display back cover.
Next steps
1. Install the display panel.
2. Install the display bezel.
3. Install the display assembly.
4. Install the wireless card.
5. Install the 4G WWAN card or 5G WWAN card, as applicable.
6. Install the base cover.
7. Install the SIM card.
8. Follow the procedure in After working inside your computer.
Fingerprint reader (optional)
Removing the fingerprint reader (optional)
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 SIM card.
3. Remove the base cover.
4. Remove the battery.
5. Remove the assembly-inner frame.
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Removing and installing Field Replaceable Units (FRUs)