Hard disk 333 Setting up your computer 35Arranging a comfortable work area 37Adjusting your chair 37Positioning your PC 37Positioning your monitor 38Positioning your keyboard 38Positioning your mouse 38Connecting peripherals 39Connecting your mouse and keyboard 39USB interface 39PS/2 interface 39Connecting a monitor 40Connecting the power cable 41Turning on your computer 42Turning off your computer 42Connecting options 43Connecting your printer 43Connecting the modem (optional) 44Connecting to the network 44Connecting multimedia devices 45Connecting USB devices 474 Upgrading your computer 49Installation precautions 51ESD precautions 51Preinstallation instructions 51Post-installation instructions 52Opening your computer 3900Pro 53To remove the computer cover 53To replace the computer cover 54Opening your Veriton 5900Pro 55To remove the computer cover 55To replace the computer cover 55Opening your Veriton 6900Pro/7900Pro 56To remove the side panel 56To replace the side panel 57Upgrading your computer 58