Dell Vostro 5391, Руководство по обслуживанию

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1. Remove the screw (M2x4) that secure the left display hinge to the palm-rest and keyboard assembly.
2. Open the display hinges at an angle of 90 degrees.
3. Peel the mylar tape that secures the I/O board to the palm-rest and keyboard assembly.
4. Peel the tape that secures the I/O-board cable to the I/O board.
5. Open the latch and disconnect the I/O-board cable from the I/O board.
6. Remove the screw (M2.5x2.5) that secures the I/O board to the palm-rest and keyboard assembly.
7. Remove the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly.
8. Lift the I/O board off the palm-rest and keyboard assembly.
Installing the I/O board
If you are replacing a component, remove the existing component before performing the installation procedure.
The following image indicates the location of I/O board and provides a visual representation of the installation procedure.
Removing and installing components 39