Dell Precision M40 Manuale di servizio - Pagina 20

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5. Remove the

palmrest

assembly.

6. On the underside of the palmrest, disconnect the flex cable from the ZIF connector.

Palmrest Flex Cable and Bracket

7. Remove the two 4-mm screws securing the palmrest bracket.

8. While supporting the palmrest flex cable, lift out the palmrest bracket and turn it over.

9. Disconnect the reserve battery cable.

10. Remove the reserve battery:

a. Pry the reserve battery free from the metal palmrest bracket.

b. Remove the foam-pad remnants from the palmrest bracket.

Replacing the Reserve Battery

1. Seat the reserve battery and press it into place.

2. Connect the reserve battery cable.

3. Place the palmrest bracket loosely in the palmrest, and connect the palmrest flex cable to the ZIF connector.

4. Replace the two 4-mm screws that secure the palmrest bracket to the palmrest.

System Board Assembly

NOTICE:

Disconnect the computer and attached devices from electrical outlets and remove any installed batteries.

NOTICE:

To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.

System Board Screws