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12 UsersManual To turn off the computer, complete the following steps: 1. Click on the taskbar. 2. Click Shut Down. Figure13. WindowsShutdownPop-upWindow 3. Select Shut down. 4. Click OK. If you need to restart your computer after software (re)installation or because it is not responding select the Restart option in step 3 above instead. If the system does not power off, then press and hold the power button for over 4 seconds. See “Using Power Management Options” on page 57. System problems requiring a computer restart (Cold Boot): Do not perform a cold boot unless your keyboard and touchpad have no effect and you cannot perform a warm boot/software restart. When you perform a cold boot, you lose all data since it last saved to a storage medium, i.e. Hard drive, Floppy disk. You can also perform a soft boot by saving your files and pressing + + to pop-up the windows “Close Program” window. Click on the Shut Down button. You can perform a cold boot by pressing the power button for more than 3 seconds to turn the computer off, waiting more than five seconds, and then pressing the power button to turn the computer on. The power button has several functions other than just turning on and off your computer, see “Using Power Management Options” on page 57. UsingYourComputerfortheFirstTime 13 Using the LCD Display This section will discuss using/changing the LCD display and its defaults: The LCD display brightness adjustment is divided into 8 levels. + • The key combination decreases LCD brightness. • The key combination increases LCD brightness. The LCD display default settings are: + • Level 6 when operating on AC power. • Level 4 when operating on battery power. LCD Cleaning: Cleaning the LCD display should only be done with a soft cloth dampened with denatured alcohol. Even if you change the default LCD display brightness settings, the defaults listed above will be restored once you power off and then back on. Notice: The limits of LCD manufacturing technology allow a maximum of 10 abnormal/bad pixels. 14 UsersManual Tips for Using Your Computer The following information helps you avoid potential problems as you use your computer: Do not try to disassemble your computer. Opening the system chassis voids your warranty. Only an authorized manufacturer service center can replace or add any parts inside the chassis. • Follow all the instructions and cautions in your computer user documentation. • The LCD display has a polarized surface and can be damaged easily. To prevent damage, avoid touching the LCD display screen. • Use only approved AC adapters, auto adapters, memory modules and other options. • Because a notebook computer is small and has restricted air flow around components, it is more likely to overheat than a desktop computer. A fan inside your computer runs when needed to help eliminate heat. Make sure the fan vent on the right side of your computer is not blocked when you use the computer. (See Figure 2 on page 4 for the location of the vent.) Occasionally check the vents and remove any accumulated dust on the outside. • Avoid using or storing the computer in extremely hot or cold areas, such as a car on a hot day. Keep the computer away from heaters and out of direct sunlight. Exposure to excessive heat may damage computer components. If you have left your computer in a hot place, let it cool down slowly to room temperature (with the LCD panel open) before using it. • Do not remove the memory-module compartment door, or try to install a memory module when the computer is on. (See Figure 4 on page 5 for door location.) (For information on installing a memory module, see “Installing a Memory Module” on page 73.) • Set up your computer work area to avoid physical strain. Sit with your back straight and supported by your chair. Adjust your chair or work table so that your arms and wrists can remain in a relaxed position, parallel with the floor. Avoid bending or twisting your wrists as you work. Your hands should “float” slightly above the keyboard. Refer to a book on office ergonomics for more information on setting up your work area. • Take frequent breaks from working at the computer to rest your eyes and stretch your muscles. • Remember to save your data files frequently and to make backup copies of your files. UsingYourComputerfortheFirstTime 15 16 Users Manual Travelling with Your Computer Air Travel If you are travelling by air, follow these tips: • Take the computer with you as carry-on luggage. Do not check the computer with your baggage. • Allow the computer and disks to go through the X-ray security devices. Do not hand-carry disks through the walk-through metal detectors, which can cause loss of data. • Make sure that the battery is charged or the power cord is easily accessible. You may be required to turn on the computer for airport security personnel. • Be prepared to turn off the computer during take off and landing. Locking your Computer As a precaution when you are travelling you should...

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