Acer Veriton T661 Q45-DDR3 User Manual - Page 27
System cannot read diskette, hard disk, CD or DVD information., System cannot write data on the hard
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English 17 press the volume control/mute knob on your USB keyboard to toggle from mute to sound on. • If headphones, earphones or external speakers are connected to the lineout jack of your computer, the internal or built-in speakers are automatically 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 not read the information on the good disk there may be a problem with the drive. 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 hard disk is not write-protected. • Make sure you are using the correct type of disc.