User manual LENOVO G455

[. . . ] 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. [. . . ] If critical data is present, it is a good idea to perform a daily backup. CD-RW drives and CD-RW/DVD drives are available for most computers and are easily installed. · Use or schedule System Restore to take a system snapshot periodically. Note: Always take a system snapshot before installing new drivers, updating software, or installing new software. · Update device drivers and BIOS when needed. · Profile your machine at http://consumersupport. lenovo. com to keep up to date with current drivers and revisions. · Keep up to date on device drivers on other non-Lenovo hardware. You might want to read the device driver information release notes prior to updating for compatibility or known issues. Entries might include major hardware or software changes, driver updates, minor issues you have experienced and how you resolved them. · If you ever need to run a recovery operation on your computer by Onekey Rescue System, see "Chapter 4. · If required, you can find your country's customer support center at the following Web address: http://consumersupport. lenovo. com. When calling the customer support center, please make sure you have your machine type, model, and serial number available and the computer is in front of you. Also, if the machine is producing error codes, it is helpful to have the error screen on or the message written down. 43 Appendix B. Use and care information Cleaning the cover of your computer Occasionally clean your computer as follows: 1 Prepare a mixture of a gentle kitchen-use detergent (one that does not contain abrasive powder or strong chemicals such as acid or alkaline). Use 5 parts water to 1 part detergent. 2 Absorb the diluted detergent into a sponge. 4 Wipe the cover with the sponge, using a circular motion and taking care not to let any excess liquid drip. 5 6 7 8 9 Wipe the surface to remove the detergent. Wait for the surface to dry completely and remove any cloth fibers from the computer surface. Note: Shut down the computer and then disconnect the power cord before cleaning the computer. Cleaning your computer keyboard 1 Absorb some isopropyl rubbing alcohol on a soft, dust-free cloth. Wipe the keys one by one; if you wipe several keys at a time, the cloth may hook onto an adjacent key and possibly damage it. Make sure that no liquid drips onto or between the keys. 3 Allow to dry. 4 To remove any crumbs and dust from beneath the keys, you can use a camera blower with a brush or cool air from a hair drier. Note: Avoid spraying cleaner directly on the display or the keyboard. Cleaning your computer display 1 Gently wipe the display with a dry, soft lint-free cloth. If you see a scratchlike mark on your display, it might be a stain transferred from the keyboard when the cover was pressed from the outside. 2 Wipe or dust the stain gently with a soft, dry cloth. 3 If the stain remains, moisten a soft, lint-free cloth with water or a 50-50 mixture of isopropyl alcohol and water that does not contain impurities. 4 Wring out as much of the liquid as you can. 5 Wipe the display again; do not let any liquid drip into the computer. Lenovo limited warranty This Lenovo Limited Warranty applies only to Lenovo branded hardware products you purchased for your own use and not for resale. [. . . ] Lenovo regulatory notice OPERATING CONDITIONS UNDER WHICH THE RADIOCOMMUNICATION EQUIPMENT ARE EXEMPTED FROM LICENSING To maximize frequency sharing while minimizing radio interference, the following operating conditions are imposed to confine the propagation of radio signals within a building or at a localised site: a) The radiocommunication equipment shall be used for in-building or localised on-site operations; b) The radiocommunication equipment shall operate at frequencies or frequency bands designated by IDA on non-exclusive basis; c) The radiocommunication equipment shall not operate beyond the maximum permissible output power designated by IDA to confine the propagation of radio signals to a small localised area; d) For an on-site localised operation with little obstruction by the nearby buildings or terrain, height of any external antenna, if installation approved by IDA, shall not be more than 10 metres above ground level to limit the radio wave propagation; and e) No repeater station shall be used to extend the radio coverage. Notice for users in Thailand For models: BCM94313HMG2L, AR5B95, AR5B93, BCM943225HM, BCM92046MD_GEN This wireless communication equipment has the specific absorption rate(SAR) of 0. 382 W/ kg as related to the equipment, which is in compliance with the Safety Standard on the Use of Wireless Communication Devices on Human Health announced by the National Telecommunications Commission. Notice for users in Taiwan For models: BCM94313HMG2L, AR5B95, AR5B93, BCM943225HM, BCM92046MD_GEN 99 Appendix F. Lenovo regulatory notice BCM94313HMG2L, AR5B95, AR5B93, BCM943225HM, BCM92046MD_GEN 101 Appendix F. Lenovo regulatory notice Notice for users in South Africa For model: BCM94313HMG2L For model: AR5B95 For model: BCM943225HM For model: AR5B93 For model: BCM92046MD_GEN 102 Appendix G. Features and specifications Model Name: Lenovo G455 Lenovo G555 Machine Type · 20044, 0708 · 20045, 0873 Note: Information of the specifications may contain technical inaccuracies or typographical errors. [. . . ]