53IndexAaccessing the online guide 5Ccomputer maintenance 4cleaning 4servicing 4connecting optionslcd monitor 37modem 39multimedia devices 40audio line-in device 42earphones/headphones 41external speakers 40joystick 40microphone 40network 35, 38printer 35serial mouse 36USB devices 44Ddisk drives 18CD-ROM/DVD-ROM/CD-RW driveinserting CDs/DVDs 19taking care CDs/DVDs 20floppy drive 18not write-protect 18write-protect 18hard disk 21Ffeatures 9connectivity 9multimedia 9performance 9front panel 10Kkeyboard 14application key 15caps lock 14cursor keys 15function key 14internet/suspend keys 16multimedia keys 16num lock 15palm rest 15programmable keys 16scroll lock 15volume control/mute 15Windows logo key 15Mmouse 17buttons 17clicking 17double-click 17ratchet wheel 17QQ&A 49blank screen 50no audio 50no sound 50printer not working 50system cannot read disk 51system cannot write to disk 51system did not boot up 49Rrear panel 12Ssetting up computer 25, 29area 25chair 25connecting peripheralsexternal monitor 31power cable 32USB keyboard 30USB mouse 29keyboard 27monitor 27mouse 28Tturning off computer 34software shutdown 34suspend mode 34turning on computer 33power button 33