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, and care Information - When you install a static-sensitive option or CRU, touch the staticprotective package containing the part to a metal expansion-slot cover or other unpainted metal surface on the computer for at least two seconds. This reduces static electricity in the package and your body. - Whenever possible, remove the static-sensitive part from the staticprotective packaging and install the part without setting it down. When this is not possible, place the static-protective 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 180°. 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 standby or hibernation mode, or turned off, before moving it. This will prevent damage to the hard disk drive and data loss. 66 Appendix B. Use, and care Information · When picking up your open computer, hold it by the bottom. Do not pick up or hold your computer by the display. · 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. · Ensure that the battery is full. · Be sure to turn off the power and close the LCD well. · 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. [. . . ] 44 Using . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 O OneKey Rescue System button . . . . . . . . . . . 2 P Password Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Using . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Power button. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Problems Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Computer screen . . . . . . . . . . . . . . . . . . . . . . . 46 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Hard disk drive . . . . . . . . . . . . . . . . . . . . . . . . . 47 Hibernation mode. . . . . . . . . . . . . . . . . . . . . [. . . ]