User manual LENOVO K23

[. . . ] Lenovo K23 User Guide V1. 0 Notes · Before using this information and the product it supports, be sure to read Important safety information on page iii and Notices in Appendix E first. · Some instructions in this guide may assume that you are using Windows® XP. 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. [. . . ] · 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. 67 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. 68 Appendix B. Use, and care Information · 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. · 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. - ExpressCard - Memory Card, such as SD Card, Memory Stick, MultiMediaCard, and Memory Stick Pro card. [. . . ] 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. You can destroy the data physically by smashing the hard disk with a hammer, or magnetically by means of strong magnetic power, thus making the data unreadable. [. . . ]