User manual PACKARD BELL MAESTRO19X

[. . . ] When disassembling the system unit, follow these general rules: Do not disassemble the system into parts that are smaller than those specified in the instructions. 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. Slide the side panel towards the back and pull it away from the chassis. 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. 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). Remove the screws that hold the motherboard in place and carefully take out the motherboard from the chassis. 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), then follow the steps below: Disconnect the white system fan power connector on the motherboard (the red/brown connector belongs to the CPU fan). Unhook the system fan from the metal hooks on top of the chassis and take it out of the system. [. . . ] Remove the screws that hold the motherboard in place and carefully take out the motherboard from the chassis. 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), then follow the steps below: Disconnect the white system fan power connector on the motherboard (the red/brown connector belongs to the CPU fan). [. . . ]