United States

Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279

Removal and Replacement Procedures

Removal Sequence

Electrostatic Discharge

Service Considerations

Cables and Connectors

Preparing the Computer for Disassembly

Battery Pack

Palmrest Cover with Touch Pad

Heatspreader

Keyboard

Processor

Hard Drive

CD Drive

Battery Charger Board

Modem

Display Panel Assembly

Upper CPU Cover

Speaker Assembly

Diskette Drive

Fan Assembly

System Board

Dip Switch Settings

Memory Module

Removing the Battery Charger Board

NOTE:

Illustrations may show parts removed that are not part of this procedure. It is necessary to remove only the parts listed in the written procedure.

To remove the battery charger board, complete the following steps:

1. Prepare the computer for disassembly.

2. Remove the palmrest cover with touch pad.

3. Remove the hard drive.

4. Remove one screw from the battery charger board, unplug the board from the connector on the system board, and lift it out of the chassis.

To replace the battery charger board, reverse the previous procedures.

NOTE:

When replacing the battery charger board, ensure that the pins are aligned with the connector on the system board.


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