7 Frequently asked questions58The printer does not work.Do the following:• Make sure the printer is connected to a power outlet and that it isturned on.• Make sure the printer cable is connected securely to the system's parallel orUSB port and the corresponding port on the printer. See "Connecting yourprinter" on page 27 for more information.• For additional information concerning the printer, refer to the printer'sdocumentation.No sound comes out from the computer.Check the following:• The volume may be muted. Look for the Volume icon on the taskbar. If it iscrossed-out, click on the icon and deselect the Mute option. You can alsopress the volume control/mute knob on your USB keyboard to toggle frommute to sound on.• If headphones, earphones or external speakers are connected to the line-out jack of your computer, the internal or built-in speakers areautomatically turned off.System cannot read diskette, hard disk, CD or DVD information.Check the following:• Make sure you are using the correct type of disk.• Make sure the CD or DVD is inserted into the drive correctly.• Check if the CD or DVD is clean and unscratched.• Check your drive by using a good (undamaged) disk. If your drive can notread the information on the good disk there may be a problem with thedrive. Contact your dealer or technical support center for assistance.System cannot write data on the hard disk or CD-R/CD-RW.Check the following:• Make sure the diskette or hard disk is not write-protected.• Make sure you are using the correct type of disk or diskette.