Dell XPS 15 7590 XPS 15 Service Manual - Page 58

Replacing the fingerprint reader daughter board (optional), Procedure, Post-requisites

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36 Replacing the fingerprint reader daughter board (optional) NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Align and place the power-button module and fingerprint-reader board (optional) on the palm-rest assembly. 2. Replace the two screws (M1.6x3) that secure the power-button module to the palm-rest assembly. 3. Replace the screw (M1.6x1.5) that secures the fingerprint-reader board (optional) to the palm-rest assembly. 4. Adhere the tape that secures the power-button module to the palm-rest assembly. 5. Adhere the fingerprint reader daughter-board cable (optional) to the palm-rest assembly. Post-requisites NOTE: The fingerprint reader is available depending on the configuration ordered. 1. Replace the system-board assembly. 2. Replace the fans. 3. Replace the heat sink. 4. Replace the wireless card. 5. Replace the solid-state drive (half-length) or the solid-state drive (full-length). 6. Follow the procedure from step 3 to step 6 in "Replacing the hard drive". 7. Replace the memory modules. 8. Replace the battery (half-length) or the battery (full-length). 9. Replace the base cover. 58 Replacing the fingerprint reader daughter board (optional)

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Replacing the fingerprint reader daughter
board (optional)
NOTE:
Before working inside your computer, read the safety information that shipped with your computer and follow
the steps in
Before working inside your computer
. After working inside your computer, follow the instructions in
After
working inside your computer
. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance
.
Procedure
1.
Align and place the power-button module and fingerprint-reader board (optional) on the palm-rest assembly.
2.
Replace the two screws (M1.6x3) that secure the power-button module to the palm-rest assembly.
3.
Replace the screw (M1.6x1.5) that secures the fingerprint-reader board (optional) to the palm-rest assembly.
4.
Adhere the tape that secures the power-button module to the palm-rest assembly.
5.
Adhere the fingerprint reader daughter-board cable (optional) to the palm-rest assembly.
Post-requisites
NOTE:
The fingerprint reader is available depending on the configuration ordered.
1.
Replace the
system-board assembly
.
2.
Replace the
fans
.
3.
Replace the
heat sink
.
4.
Replace the
wireless card
.
5.
Replace the
solid-state drive (half-length)
or the
solid-state drive (full-length)
.
6.
Follow the procedure from step 3 to step 6 in “
Replacing the hard drive
”.
7.
Replace the
memory modules
.
8.
Replace the
battery (half-length)
or the
battery (full-length)
.
9.
Replace the
base cover
.
36
58
Replacing the fingerprint reader daughter board (optional)