User manual PACKARD BELL MAESTRO19X

[. . . ] Note where the connector goes and in what position it was installed. Turn off the power and disconnect all power and all options. Discharge static electricity by touching a metal object before removing the system unit cover. [. . . ] Discharge static electricity by touching a metal object before removing the system unit cover. Use care to ensure that all cables and screws are returned to their proper positions. Gently pull the rear bezel diagonally from the chassis. Slide the side panel towards the back and pull it away from the chassis. If required, do the same with the other side panel. If required, lay down the chassis on one side, carefully slide the top bezel slightly backwards to unhook the latches holding it in place, and lift the top bezel away from the chassis. If required, lay down the chassis on one side, carefully slide the bottom bezel slightly backwards to unhook the latches holding it in place, and remove the bottom bezel. Gently unlock the three lateral latches that hold the front bezel and pull it away to the opposite side. Disconnect the switch/USB assembly power cables from the motherboard. Remove both screws holding the switch/USB assembly to the chassis. Gently pull the cables through the orifice in the chassis. To remove the power supply unit, first open the chassis (see section Opening the Chassis), then follow the steps below: 1. Disconnect the power supply cables from all peripherals and the motherboard. 17: Removing the screws of the power supply unit Carefully lift the power supply out of the chassis. To remove the motherboard, open the chassis (see section Opening the Chassis), remove the front bezel (see section Removing the Front Bezel), remove the drive bracket containing the DVD/CD-ROM and floppy disk drive (see the section Removing the Drive Bracket), remove all add-on cards f th i l t ( ti R i Add O C d ) From their slots (see section Removing Add-On Cards), remove the power supply unit (see Removing the Power Supply Unit), then follow the steps below: 1. Remove any memory module installed (refer to the motherboard documentation for instructions on how to remove this component). [. . . ] To remove the motherboard, open the chassis (see section Opening the Chassis), remove the front bezel (see section Removing the Front Bezel), remove the drive bracket containing the DVD/CD-ROM and floppy disk drive (see the section Removing the Drive Bracket), remove all add-on cards f th i l t ( ti R i Add O C d ) From their slots (see section Removing Add-On Cards), remove the power supply unit (see Removing the Power Supply Unit), then follow the steps below: 1. Remove any memory module installed (refer to the motherboard documentation for instructions on how to remove this component). Remove the screws that hold the motherboard in place and carefully take out the motherboard from the chassis. [. . . ]