Dell Inspiron 5391, Service Manual

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1. Follow the procedure in Before working inside your computer .
2. Remove the base cover .
3. Remove the battery .
4. Remove the WLAN card .
5. Remove the fan .
6. Remove the I/O board .
About this task
The following image indicates the location of power button with fingerprint reader and provides a visual representation of the removal
procedure.
Steps
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 with fingerprint reader to the palm-rest and keyboard assembly.
3. Open the latch and disconnect the fingerprint-reader cable from the fingerprint-reader board.
4. Lift the power button with fingerprint-reader, along with the power-button cable, off the palm-rest and keyboard assembly.
5. Lift the power button with fingerprint-reader, along with the power-button cable, off the palm-rest and keyboard assembly.
Installing the power button with fingerprint reader
Prerequisites
NOTE: This procedure is only applicable for computers shipped with a fingerprint reader.
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 power button with fingerprint reader and provides a visual representation of the installation
procedure.
Removing and installing components 43