Dell Inspiron 5490 Service Manual - Page 25

I/O board, Removing the I/O board

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I/O board Removing the I/O board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The following image indicates the location of the I/O board and provides a visual representation of the removal procedure. Steps 1. Peel the tape off the I/O-board cable connector. 2. Open the latch and disconnect the I/O-board cable from the I/O board. 3. Remove the I/O-board cable from the routing guides on the fan. 4. Remove the two screws (M2x3) that secure the I/O board to the palm-rest and keyboard assembly. 5. 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 the I/O board and provides a visual representation of the installation procedure. Removing and installing components 25

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I/O board
Removing the I/O board
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the
base cover
.
3.
Remove the
battery
.
About this task
The following image indicates the location of the I/O board and provides a visual representation of the removal procedure.
Steps
1.
Peel the tape off the I/O-board cable connector.
2.
Open the latch and disconnect the I/O-board cable from the I/O board.
3.
Remove the I/O-board cable from the routing guides on the fan.
4.
Remove the two screws (M2x3) that secure the I/O board to the palm-rest and keyboard assembly.
5.
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 the I/O board and provides a visual representation of the installation procedure.
Removing and installing components
25