User manual ACER ASPIRE L5100

[. . . ] AcerSystem User's Guide Copyright© 2007 Acer Incorporated All Rights Reserved AcerSystem User's Guide Acer and the Acer logo are registered trademarks of Acer Inc. Other companies' product names or trademarks are used herein for identification purposes only and belong to their respective companies. iii Information for your safety and comfort Safety instructions Read these instructions carefully. Keep this document for future reference. Follow all warnings and instructions marked on the product. Turning the product off before cleaning Unplug this product from the wall outlet before cleaning. [. . . ] Make sure that the printer cable is connected securely to the system's parallel port and the corresponding port on the printer. For additional information concerning the printer, refer to the printer's documentation. English English English Q: No sound comes out from the computer. A: Check the following: · The volume may be muted. Look for the Volume icon on the taskbar. If it is crossed-out, click on the icon and deselect the Mute option. You can also 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 line-out jack of your computer, the internal or built-in speakers are automatically turned off. · Q: System cannot read diskette, hard disk, CD or DVD information. A: Check the following: · · · · Make sure that 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 not scratched. Check your drive by using a good (i. e. , undamaged) disk. If your drive cannot read the information on the good disc there may be a problem with the drive. Contact your dealer or technical support center for assistance. Q: System cannot write data on the hard disk or writeable/re-writeable disk. A: Check the following: · · Make sure the diskette or hard disk is not write-protected. Make sure that you are using the correct type of disk or diskette. 7 Taking care of your computer Please read the important instructions listed in this section. Following these instructions will help you maximize the durability of your computer. English Important tips · · · · · · · · · Do not expose the computer to direct sunlight. Do not place it near sources of heat, such as a radiator. Do not expose the computer to temperatures below 0oC (32oF), or above 50oC (122oF). Do not subject the computer to magnetic fields. Do not expose the computer to rain or moisture. Do not subject the computer to heavy shock or vibration. Do not expose the computer to dust and dirt. [. . . ] For further information, please contact the local office in the country of use. The FCC RF safety requirement The radiated output power of the wireless LAN Card and Bluetooth card is far below the FCC radio frequency exposure limits. Nevertheless, the PC series shall be used in such a manner that the potential for human contact during normal operation is minimized as follows: 1 This device is restricted to indoor use due to its operation in the 5. 15 to 5. 25 GHz frequency range. FCC requires this product to be used indoors for the frequency range 5. 15 to 5. 25 GHz to reduce the potential for harmful interference to co-channel Mobile Satellite systems. High power radar are allocated as primary users of the 5. 25 to 5. 35 GHz and 5. 65 to 5. 85 GHz bands. [. . . ]