Optical drive 32Taking care of your CDs and DVDs 35Hard disk 353 Setting up your computer 37Arranging a comfortable work area 39Adjusting your chair 39Positioning your PC 39Positioning your monitor 40Positioning your keyboard 40Positioning your mouse 40Connecting peripherals 41Connecting your mouse and keyboard 41USB interface 41PS/2 interface 41Connecting a monitor 42Connecting the power cable 43Turning on your computer 44Turning off your computer 44Connecting options 45Connecting your printer 45Connecting the modem (optional) 46Connecting to the network 46Connecting multimedia devices 47Connecting USB devices 494 Upgrading your computer 51Installation precautions 53ESD precautions 53Preinstallation instructions 53Post-installation instructions 54Opening your computer 3900Pro 55To remove the computer cover 55To replace the computer cover 56Opening your Veriton 5900Pro 57To remove the computer cover 57To replace the computer cover 57Opening your Veriton 6900Pro/7900Pro 58To remove the side panel 58