User manual LENOVO B575

[. . . ] Lenovo B575 User Guide V1. 0 Read the safety notices and important tips in the included manuals before using your computer. Notes · Before using the product, be sure to read Lenovo Safety and General Information Guide 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. [. . . ] Read the documentation supplied with the Bluetooth enabled device for details on how to pair the device with your computer. 14 Chapter 2. Learning the basics Special keys and buttons ------------------------------------------------------------------------------------------ B575 OneKey Rescue system button · When the computer is powered-off, press this button to enter the OneKey Rescue system if Lenovo OneKey Rescue system has been preinstalled. · In Windows operating system, press this button to start Lenovo OneKey Recovery. Note: For details, see "OneKey Rescue system" on page 23. 15 Chapter 2. Learning the basics System status indicators -----------------------------------------------------------------------------------------These indicators inform you of the computer status. B575 a Caps lock indicator b Num lock indicator c Hard disk drive indicator d Power status indicator e Battery status indicator f Wireless communication indicator 16 Chapter 2. Learning the basics Securing your computer -------------------------------------------------------------------------------------------This section provides information about how to help protect your computer from theft and unauthorized use. Attaching a security lock (not supplied) You can attach a security lock to your computer to help prevent it from being removed without your permission. For details on installing the security lock, please refer to the instructions shipped with the security lock that you have purchased. Refer to the "Left-side view" on page 3 for the location of the Kensington slot. Notes: · Before purchasing any security product, verify that it is compatible with this type of security keyhole. · You are responsible for evaluating, selecting, and implementing the locking devices and security features. Lenovo offers no comment judgement or warranty regarding the function, quality or performance of locking devices and security features. Using passwords Using passwords helps prevent your computer from being used by others. Once you set a password and enable it, a prompt appears on the screen each time you power on the computer. The computer cannot be used unless you enter the correct password. Note: This password can be from one to seven alphanumeric characters in any combination. For details about how to set the password, see the Help to the right of the screen in BIOS setup utility. Note: To enter BIOS setup utility, press F2 when the Lenovo logo appears on the screen while the computer is starting up. Fingerprint reader (Select models only) With the fingerprint reader, in addition to registering fingerprint information and using it as a password for Windows operating system or Web site logon, you can also launch applications quickly and encrypt private data with your fingerprint to secure your computer. For more details on fingerprint reader, see the Help file of your software. 17 Chapter 3. Connecting to the Internet As a global network, the Internet connects computers worldwide, providing services such as e-mailing, information searching, electronic commerce, Web browsing and entertainment. You can connect the computer to the Internet in the following ways: Wired connection: use physical wiring to connect. Wireless network technology: connect without wiring. Wired connection ---------------------------------------------------------------------------------------------------------Wired connections are a reliable and safe way to connect the computer to the Internet. Cable DSL Cable Internet services use a cable modem connected to the residential cable TV line. DSL is a family of related technologies that bring high-speed network access to homes and small businesses over ordinary telephone lines. Hardware connection Cable TV cable DSL Telephone line Splitter * * DSL modem * Splitter * * Cable modem * B575 B575 * * Not supplied. * Note: The above diagrams are for reference only. Actual connection method may vary. Software configuration Consult your Internet Service Provider (ISP) for details on how to configure your computer. 18 Chapter 3. Connecting to the Internet Wireless connection----------------------------------------------------------------------------------------------------Wireless connections provide mobile access to the Internet, allowing you to stay online anywhere the wireless signal covers. Divided by the signal scales, wireless connection to the Internet can be built based on the following standards. Wi-Fi Wi-Fi networks cover a small physical area, like a home, office, or small group of buildings. An access point is necessary for the connection. [. . . ] Remove the compartment cover b . 29 Appendix A. CRU instructions 6 If two DDR3 SDRAMs are already installed in the memory slot, remove one of them to make room for the new one by pressing out on the latches on both edges of the socket at the same time. Be sure to save the old DDR3 SDRAM for future use. a a b 7 Align the notch of the DDR3 SDRAM with the protrusion of the socket and gently insert the DDR3 SDRAM into the socket at a 30-45° angle. 8 Push the DDR3 SDRAM inward toward the socket until the latches on both edges of the socket are pushed into the closed position. 9 Reinstall the compartment cover and tighten the screws. Connect the AC adapter and the cables to the computer again. 30 Appendix A. [. . . ]