Dell D420 - Latitude Notebook Computer Servicehandleiding - Pagina 25

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Keyboard

Dell™ Latitude™ D420 Service Manual

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE:

To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such

as a connector on the back of the computer).

1. Follow the procedures in

Before You

2. Remove the hinge cover (see

NOTICE:

The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the

keyboard.

3. Remove the keyboard:

a. Remove the three M2 x 3-mm screws across the top of the keyboard.

NOTICE:

Lift the keyboard carefully in

b. Rotate the keyboard forward to gain access to the two keyboard connectors.

c. Pull up on the plastic bars on the keyboard connectors to disconnect the keyboard connectors from the system board.

plastic bars on keyboard connectors

M2 x 3-mm screws (3)

NOTICE:

To avoid scratching the palm rest when replacing the keyboard, hook the tabs along the front edge of the keyboard into the palm rest, and

then secure the keyboard in place.

To replace the keyboard:

1. Connect the keyboard cable to the keyboard connectors on the system board.

2. Place the tabs along the front edge of the keyboard into the palm rest, and lay the keyboard down on the palm rest.

3. Replace the three M2 x 3-mm screws at the top of the keyboard.

4. Replace the hinge cover.

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Begin.

Hinge

Cover).

step b

to ensure that you do not pull on the keyboard cable.

tabs (4)

keyboard