User manual TOSHIBA SATELLITE L750

[. . . ] Each and every Gateway notebook uses the latest technology and passes through the most stringent quality control tests to ensure that you are provided with the best product possible. Your new Gateway notebook is designed to provide an exceptional balance of performance and portability. Your notebook uses the latest chipset and mobile processor technologies to manage the processor speed and power consumption for a greater battery life experience. This design provides you with maximum performance when plugged into AC power balanced with optimized battery life when on battery power. [. . . ] You may want to gather these items and put together a notebook cleaning kit: A soft, lint-free cloth An aerosol can of air that has a narrow, straw-like extension Cotton swabs A DVD drive cleaning kit Cleaning the exterior Warning When you shut down your notebook, the power turns off, but some electrical current still flows through your notebook. To avoid possible injury from electrical shock, unplug the power cord, modem cable, and network cable from the wall outlets. Always turn off your notebook and other peripherals before cleaning any components. Use a damp, lint-free cloth to clean your notebook and other parts of your system. Do not use household abrasive or solvent cleaners because they can damage the finish on components. Your notebook is cooled by air circulated through the vents on the case, so keep the vents free of dust. With your notebook turned off and unplugged, brush the dust away from the vents with a damp cloth. Do not attempt to clean dust from the inside of your notebook. www. gateway. com 83 Chapter 8: Maintaining Your Notebook Cleaning the keyboard You should clean the keyboard occasionally by using an aerosol can of air with a narrow, straw-like extension to remove dust and lint trapped under the keys. If you spill liquid on the keyboard, turn off your notebook and turn the notebook upside down. Let the liquid drain, then let the keyboard dry before trying to use it again. If the keyboard does not work after it dries, you may need to replace it. Cleaning the notebook screen Use a soft cloth and water to clean the LCD screen. Squirt a little water on the cloth (never directly on the screen), and wipe the screen with the cloth. Caution A notebook LCD screen is made of specially coated glass and can be scratched or damaged by abrasive or ammonia-based glass cleaners. Cleaning CDs or DVDs Wipe from the center to the edge, not around in a circle, using a product made especially for the purpose. 84 www. gateway. com Protecting your notebook from viruses Protecting your notebook from viruses A virus is a program that attaches itself to a file on a computer, then spreads from one computer to another. Follow the on-screen instructions. 90 www. gateway. com Chapter 9 Troubleshooting · Troubleshooting typical hardware and software problems · Getting telephone support · Using automated troubleshooting systems 91 Chapter 9: Troubleshooting Safety guidelines While troubleshooting your notebook, follow these safety guidelines: Never remove the memory bay or hard drive bay cover while your notebook is turned on, while the battery is installed, and while the modem cable, network cable, and AC power adapter are connected to your notebook. Make sure that you are correctly grounded before accessing internal components. For more information about preventing damage from static electricity, see "Preventing static electricity discharge" on page 64. After you complete any maintenance tasks where you remove the memory bay or hard drive bay cover, make sure that you replace the cover, reinstall any screws, then replace the battery before you start your notebook. Warning Do not try to troubleshoot your problem if power cords or plugs are damaged, if your notebook was dropped, or if the case was damaged. Instead, unplug your notebook and contact a qualified computer technician. 92 www. gateway. com First steps First steps If you have problems with your notebook, try these things first: Make sure that the AC power adapter is connected to your notebook and an AC outlet and that the AC outlet is supplying power. If you use a power strip or surge protector, make sure that it is turned on. If a peripheral device (such as a keyboard or mouse) does not work, make sure that all connections are secure. If an error message appears on the screen, write down the exact message. The message may help Gateway Customer Care in diagnosing and fixing the problem. If you added or removed peripheral devices, review the installation procedures you performed and make sure that you followed each instruction. If an error occurs in a program, see the program's printed documentation or the online help. Help and Support For more information about troubleshooting, click Start, then click Help and Support. [. . . ] The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the Ringer Equivalence Numbers of all the devices does not exceed 5. www. gateway. com 125 Appendix A: Safety, Regulatory, and Legal Information Japanese Notice Japanese Modem Notice Laser safety statement All Gateway systems equipped with CD and DVD drives comply with the appropriate safety standards, including IEC 825. The laser devices in these components are classified as "Class 1 Laser Products" under a US Department of Health and Human Services (DHHS) Radiation Performance Standard. Should the unit ever need servicing, contact an authorized service location. Warning Use of controls or adjustments or performance of procedures other than those specified in this manual may result in hazardous radiation exposure. To prevent exposure to laser beams, do not try to open the enclosure of a CD or DVD drive. EPA ENERGY STAR As an ENERGY STAR® Partner, Gateway has determined that this product meets the ENERGY STAR guidelines for energy efficiency when used with a computer equipped with a Display Power Management System. ENERGY STAR 126 www. gateway. com Environmental information Environmental information The product you have purchased contains extracted natural resources that have been used in the manufacturing process. [. . . ]