User manual LENOVO G550

[. . . ] New Thinking. www. lenovo. com TM G450/G550 User Guide V2. 0 P/N: 147002768-2. 1 Printed in China ©Lenovo China 2009 G450/550 User Guide V2. 0 cover_2-3 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 Vista®. 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 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. 44 Lenovo G450-550 UG V2. 0_en. book Page 45 Wednesday, September 2, 2009 9:29 AM 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. 6 Be sure to dry the display before closing it. 45 Lenovo G450-550 UG V2. 0_en. book Page 46 Wednesday, September 2, 2009 9:29 AM Appendix C. Lenovo limited warranty This Lenovo Limited Warranty applies only to Lenovo branded hardware products you purchased for your own use and not for resale. This Lenovo Limited Warranty is available in other languages at www. lenovo. com/warranty. What this warranty covers Lenovo warrants that each hardware product that you purchase is free from defects in materials and workmanship under normal use during the warranty period. [. . . ] Features and specifications Model Name: Lenovo G450 Lenovo G550 Machine Type · 20022, 2949 · 20023, 2958 Note: Information of the specifications may contain technical inaccuracies or typographical errors. Lenovo reserved the right to improvements and/or changes at this specifications at any time without notice. G450 Form Factor Size Weight Appr. 2. 7~2. 75kg System CPU Memory LCD HDD Keyboard Integrated Camera (specific models only) Battery AC Adapter Intel Penryn/Intel Penryn-Celeron DDR3, 800/1066MHz support, 2x SODIMM, up to 8 GB Max 14. 0" HDLED 16:9 LED 2. 5 SATA HDD 6-row Lenovo Keyboard 0. 3M 53Wh/57Wh/48Wh, 6 cell Li-ion Battery or 35Wh, 4 cell Li-ion Battery 65W/90W Intel Penryn/Intel Penryn-Celeron DDR3, 800/1066MHz support, 2x SODIMM , up to 8 GB Max 15. 6" HDLED 16:9 LED 2. 5 SATA HDD 6-row Lenovo Keyboard 0. 3M 53Wh/57Wh/48Wh, 6 cell Li-ion Battery or 35Wh, 4 cell Li-ion Battery 65W/90W I/O Ports HDMI (specific models only) USB Communication Audio Video ExpressCard Slot (specific models only) Media Slot (specific models only) Kensington slot HDMI x 1 USB 2. 0 x 3 ports 10/100Mb Ethernet Headphone/Mic-In jack VGA x 1 34mm width x 1 5 in 1 slot x 1 (MMC/ SD/ MS/ MS PRO/xD) Yes HDMI x 1 USB 2. 0 x 3 ports 10/100Mb Ethernet Headphone/Mic-In jack VGA x 1 34mm width x 1 5 in 1 slot x 1 (MMC/ SD/ MS/ MS PRO/xD) Yes 96 Lenovo G450-550 UG V2. 0_en. book Page 97 Wednesday, September 2, 2009 9:29 AM Trademarks ---------------------------------------------------------------------------------------------------------Lenovo, Lenovo logo, IdeaPad, VeriFace, OneKey are either registered trademarks or trademarks of Lenovo in the United States and/or other countries. Microsoft and Windows , Windows Vista are trademarks of Microsoft Corporation in the United States, other countries, or both. [. . . ]