User manual SONY VAIO VGN-NW105J/S

[. . . ] · The features described in this guide are common to most models. Some features may not be available on your computer and/or your computer may include features that are not described in this user guide. · The illustrations used in this manual are for Lenovo VAIO VGN-NW105J/S unless otherwise stated. · The illustrations in this manual may differ from the actual product. [. . . ] · 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. 41 Lenovo G450-550 UG V2. 0_en. book Page 42 Wednesday, September 2, 2009 9:29 AM 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. Of course, any concentrated and sustained visual activity can be tiring. If you have questions on eye fatigue or visual discomfort, consult a vision care specialist for advice. 43 Lenovo G450-550 UG V2. 0_en. book Page 44 Wednesday, September 2, 2009 9:29 AM Appendix B. Use, and care information Maintenance --------------------------------------------------------------------------------------------------------------------An important part of owning your computer is maintenance. With proper care, you can avoid common problems. The following sections provide information that can help you to keep your computer running smoothly. General tips for maintenance 1 Check the capacity of your hard disk drive from time to time. If the hard disk drive gets too full, Windows® will slow down and might produce errors. 2 Empty your recycle bin on a regular basis. 3 Use Diskeeper Lite or the Microsoft Disk Defragmenter on your hard disk drive on a regular basis to improve data seek and read time. · To free up disk space, uninstall unused application programs. · Clean out your Inbox, Sent, and Trash folders from your e-mail client program. · At least once a week, make a point to back up your data. If critical data is present, it is a good idea to perform a daily backup. [. . . ] 59 for US users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Numeric keypad (G450) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 E ExpressCard/34 slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 F FCC Statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Function key combinations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 O OneKey Rescue System button . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 98 Lenovo G450-550 UG V2. 0_en. book Page 99 Wednesday, September 2, 2009 9:29 AM Index P Password Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]