Dell Inspiron 7405 2-in-1 Inspiron 7405 2n1 Service Manual - Page 39

Installing the power-button board

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About this task The following image indicates the location of the power button with fingerprint reader and provides a visual representation of the removal procedure. Steps 1. Remove the two screws (M2x3) that secure the power-button bracket to the palm-rest and keyboard assembly. 2. Lift the power-button bracket off the palm-rest and keyboard assembly. 3. Peel the tape that secures the I/O-board cable to the I/O board. 4. Open the latch, and disconnect the I/O-board cable from the I/O board. 5. Open the latch, and disconnect the fingerprint reader-cable from the I/O board. 6. Open the latch, and disconnect the power-button cable from the fingerprint reader-board. 7. Lift the power button, along with its cable, off the slot on the palm-rest and keyboard assembly. Installing the power-button board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the power button with fingerprint reader and provides a visual representation of the installation procedure. Removing and installing components 39

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About this task
The following image indicates the location of the power button with fingerprint reader and provides a visual representation of the removal
procedure.
Steps
1.
Remove the two screws (M2x3) that secure the power-button bracket to the palm-rest and keyboard assembly.
2.
Lift the power-button bracket off the palm-rest and keyboard assembly.
3.
Peel the tape that secures the I/O-board cable to the I/O board.
4.
Open the latch, and disconnect the I/O-board cable from the I/O board.
5.
Open the latch, and disconnect the fingerprint reader-cable from the I/O board.
6.
Open the latch, and disconnect the power-button cable from the fingerprint reader-board.
7.
Lift the power button, along with its cable, off the slot on the palm-rest and keyboard assembly.
Installing the power-button board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the power button with fingerprint reader and provides a visual representation of the
installation procedure.
Removing and installing components
39