User manual TOSHIBA SATELLITE R840

[. . . ] 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. [. . . ] 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 81 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. 82 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. Some viruses go undetected for a period of time because they are activated on a certain date. Protect your notebook from a virus by: Registering your copy of Norton® Internet Security and subscribing to the virus definition update service. You received a free limited time subscription to the Norton Internet Security service when you purchased your notebook. Using the Norton Internet Security program to check files and programs that are attached to e-mail messages or downloaded from the Internet. These programs will warn you if a document that you are opening contains a macro that might have a virus. 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. Type the keyword troubleshooting in the Search box , then click the arrow. www. gateway. com 91 Chapter 9: Troubleshooting Troubleshooting Audio Audio troubleshooting is covered under "Sound" on page 109. Battery Battery troubleshooting is covered under "Power" on page 107. CD drives CD drive troubleshooting is covered under "DVD drives" on page 94. Device installation You have computer problems after adding a new device Sometimes a new device, such as a PC Card, can cause a system resource (IRQ) conflict. Check IRQ usage to determine if there is an IRQ conflict. To check IRQ usage: 1 2 3 Click Start, then click Control Panel. If your Control Panel is in Category View, click Performance and Maintenance. Click/Double-click System, click the Hardware tab, then click Device Manager. All IRQs and their hardware assignments are displayed. 92 www. gateway. com Troubleshooting Help and Support For more information about IRQs, click Start, then click Help and Support. Type the keyword IRQs in the Search box , then click the arrow. To free IRQ resources for the new device: 1 2 3 In the Device Manager window, check the device list for a resource conflict. [. . . ] 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 123 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 124 www. gateway. com Environmental information Environmental information The product you have purchased contains extracted natural resources that have been used in the manufacturing process. [. . . ]