User manual LENOVO G555

[. . . ] Lenovo G455/G555 User Guide V1. 0 Read the safety notices and important tips in the included manuals before using your computer. Notes Before using this information and the product it supports, be sure to read Important safety information on page ii and Notices in Appendix E first. · Some instructions in this guide may assume that you are using Windows® 7. If you are using other Windows operating system, some operations may be slightly different. If you are using other operating systems, some operations may not apply to you, but it won't substantially affect your use of this computer. [. . . ] · Only an authorized Lenovo repair technician should disassemble and repair your computer. · Do not modify or tape the latches to keep the display open or closed. · Take care not to turn your computer over while the AC adapter is plugged in. · Turn off your computer if you are replacing a device, or else verify that the device is warm- or hot-swappable. · Before you install any of the following devices, touch a metal table or a grounded metal object. This action reduces any static electricity from your body. The static electricity could damage the device. - Memory Card, such as SD Card, Memory Stick, MultiMediaCard, xD-Picture Card, and Memory Stick Pro card. - Memory module · When transferring data to or from a Flash Media Card, such as an SD card, do not put your computer in sleep or hibernation mode before the data transfer is complete. To do so might cause damage to your data. 41 Appendix B. Use and care information Accessibility and comfort ---------------------------------------------------------------------------------------Ergonomic information Working in the virtual office may mean adapting to frequent changes in your environment. Following some simple rules will make things easier and bring you the maximum benefits of your computer. Keeping in mind such basics as good lighting and proper seating, for example, can help you improve your performance and achieve greater comfort. Note: This example shows someone in a conventional setting. Even if you work in a casual, less conventional setting, many of the tips in this section still apply. Develop good habits, and they will serve you well. Head and neck in upright. A suitable brightness avoid glare or reflection Good back support and seat height Type softly Support the forearms Parallel to the floor Flat on the floor What if you are traveling? It may not be possible to observe the best ergonomic practices when you are using your computer while on the move or in a casual setting. Regardless of the setting, try to observe as many of the tips as possible. Sitting properly and using adequate lighting, for example, will help you maintain desirable levels of comfort and performance. Questions about vision? Your computer's visual display screen is designed to meet the highest standards and to provide you with clear, crisp images and large, bright displays that are easy to see, yet easy on the eyes. Of course, any concentrated and sustained visual activity can be tiring. If you have questions on eye fatigue or visual discomfort, consult a vision care specialist for advice. 42 Appendix B. Use and care information Maintenance --------------------------------------------------------------------------------------------------------------------An important part of owning your computer is maintenance. With proper care, you can avoid common problems. The following sections provide information that can help you to keep your computer running smoothly. General tips for maintenance 1 Check the capacity of your hard disk drive from time to time. [. . . ] 3 P Password Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Using . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Power button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Problems Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]