Dell Vostro 5390 Service Manual - Page 46

Installing the power button with fingerprint reader

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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. Installing the power button with fingerprint reader 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. The following image indicates the location of power button with fingerprint reader and provides a visual representation of the installation procedure. 46 Removing and installing components

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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.
Installing the power button with
fingerprint
reader
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.
The following image indicates the location of power button with
fingerprint
reader and provides a visual representation of the installation
procedure.
46
Removing and installing components