Dell Vostro 5391, Руководство по обслуживанию

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2. Remove the base cover .
3. Remove the battery .
4. Remove the WLAN card .
5. Remove the fan .
6. Remove the I/O board .
The following image indicates the location of power button and provides a visual representation of the removal procedure.
1. Remove the screw (M1.6x2) that secures the power-button bracket to the palm-rest and keyboard assembly.
2. Remove the screw (M1.6x2) that secures the power-button board to the palm-rest and keyboard assembly and lift the power-button
board off the palm-rest and keyboard assembly.
Installing the power-button board
If you are replacing a component, remove the existing component before performing the installation procedure.
The following image indicates the location of power-button board and provides a visual representation of the installation procedure.
Removing and installing components 41