Dell Vostro 5402 Service Manual - Page 61

Power button with fingerprint reader (optional)

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8. Place the mylar cover back. Next steps 1. Install the coin-cell battery. 2. Install the system fan. 3. Install the battery (3-cell or 4-cell) based on the configuration. 4. Install the base cover. 5. Follow the procedure in after working inside your computer. Power button with fingerprint reader (optional) Removing the power button and optional fingerprint reader - UMA Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery (3-cell or 4-cell). 4. Remove the system fan. 5. Remove the M.2 2280 SSD or M.2 2230 SSD. 6. Remove the I/O board. 7. Remove the coin-cell battery. About this task The figure indicates the location of the power button with optional fingerprint reader and provides a visual representation of the removal procedure. Steps 1. Unplug the fingerprint reader cable from the connector on the palm-rest and keyboard assembly. 2. Lift the latch, and unplug the I/O cable from the connector on the palm-rest and keyboard assembly. 3. Remove the I/O cable from the palm-rest and keyboard assembly. Disassembly and reassembly 61

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8.
Place the mylar cover back.
Next steps
1.
Install the
coin-cell battery
.
2.
Install the
system fan
.
3.
Install the battery (
3-cell
or
4-cell
) based on the configuration.
4.
Install the
base cover
.
5.
Follow the procedure in
after working inside your computer
.
Power button with fingerprint reader (optional)
Removing the power button and optional fingerprint reader - UMA
Prerequisites
1.
Follow the procedure in
before working inside your computer
.
2.
Remove the
base cover
.
3.
Remove the battery (
3-cell
or
4-cell
).
4.
Remove the
system fan
.
5.
Remove the
M.2 2280 SSD
or
M.2 2230 SSD
.
6.
Remove the
I/O board
.
7.
Remove the
coin-cell battery
.
About this task
The figure indicates the location of the power button with optional fingerprint reader and provides a visual representation of the
removal procedure.
Steps
1.
Unplug the fingerprint reader cable from the connector on the palm-rest and keyboard assembly.
2.
Lift the latch, and unplug the I/O cable from the connector on the palm-rest and keyboard assembly.
3.
Remove the I/O cable from the palm-rest and keyboard assembly.
Disassembly and reassembly
61