User manual LENOVO B550

[. . . ] Lenovo B550 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, and thus shouldn't affect your use of this computer. [. . . ] When this is not possible, place the staticprotective packaging on a smooth, level surface and place the part on it. - Do not place the part on the computer cover or other metal surface. Be gentle with your computer · Avoid placing any objects (including paper) between the display and the keyboard or under the keyboard. · Do not drop, bump, scratch, twist, hit, vibrate, push, or place heavy objects on your computer, display, or external devices. · Avoid turning the display beyond 130°. Carry your computer properly · Before moving your computer, be sure to remove any media, turn off attached devices, and disconnect cords and cables. · Be sure your computer is in sleep or hibernation mode, or turned off, before moving it. · Use a quality carrying case that provides adequate cushion and protection. Do not pack your computer in a tightly packed suitcase or bag. For outdoor use · Backup your critical data before you take your computer outdoors. · When you leave the computer in your car, place it on the back seat to avoid being insolated. · Carry the AC adapter and power cord with the computer. Handle storage media and drives properly · If your computer comes with an optical drive, do not touch the surface of a disc or the lens on the tray. · Wait until you hear the CD or DVD click into the center pivot of an optical drive before closing the tray. · When installing your hard disk, follow the instructions shipped with your hardware, and apply pressure only where needed on the device. 37 Appendix B. Use, and care information Data safety · Do not delete unknown files or change the name of files or directories that were not created by you; otherwise, your computer software might fail to work. · Be aware that accessing network resources can leave your computer vulnerable to computer viruses, hackers, spyware, and other malicious activities that might damage your computer, software, or data. · It is your responsibility to ensure that you have adequate protection in the form of firewalls, antivirus software, and anti-spyware software and keep this software up to date. Take care in setting passwords · Remember your passwords. If you forget a supervisor or hard disk password, Lenovo authorized service providers will not reset it, and you might have to replace your system board or hard disk drive. Other important tips · Do not put the battery pack in trash that is disposed of in landfills. When disposing of the battery, comply with local ordinances or regulations and your company's safety standards. · Your computer might have both an Ethernet connector and a modem connector. If so, be sure to connect your communication cable to the correct one, so your connector is not damaged. · Register your Lenovo products with Lenovo (refer to the Web page: http://consumersupport. lenovo. com). This can help authorities return your computer to you if it is lost or stolen. Registering your computer also enables Lenovo to notify you about possible technical information and upgrades. · Only an authorized Lenovo repair technician should disassemble and repair your computer. [. . . ] In other words, the data retrieval processing is disabled under an operating system such as Windows. Thus, it is sometimes possible to read the data by use of special software for data recovery. There is a risk that people of bad faith may read and misuse the critical data on hard disks for unexpected purposes. To prevent the leakage of data, it becomes very important that you take responsibility for deleting all the data from the hard disk when you dispose of, sell, or hand over your computer. [. . . ]