Dell Inspiron 5391 Service Manual - Page 40

Installing the I/O board

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4. Open the latch and disconnect the I/O-board cable from the I/O board. 5. Remove the screw (M2.5x2.5) that secures the I/O board to the palm-rest and keyboard assembly. 6. Remove the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly. 7. Lift the I/O board off the palm-rest and keyboard assembly. Installing the I/O 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 I/O board and provides a visual representation of the installation procedure. Steps 1. Align and place the I/O board on the palm-rest and keyboard assembly. 2. Replace the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly. 3. Replace the screw (M2.5x2.5) that secures the I/O board to the palm-rest and keyboard assembly. 4. Connect the I/O-board cable to the I/O board and close the latch to secure the cable. 40 Removing and installing components

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4.
Open the latch and disconnect the I/O-board cable from the I/O board.
5.
Remove the screw (M2.5x2.5) that secures the I/O board to the palm-rest and keyboard assembly.
6.
Remove the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly.
7.
Lift the I/O board off the palm-rest and keyboard assembly.
Installing the I/O 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 I/O board and provides a visual representation of the installation procedure.
Steps
1.
Align and place the I/O board on the palm-rest and keyboard assembly.
2.
Replace the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly.
3.
Replace the screw (M2.5x2.5) that secures the I/O board to the palm-rest and keyboard assembly.
4.
Connect the I/O-board cable to the I/O board and close the latch to secure the cable.
40
Removing and installing components