User manual LENOVO B475

[. . . ] User Guide Lenovo B475 Notes: · · Before using the product, be sure to read "Important safety information" in the accompanying documentation first. Some instructions in this guide may assume that you are using the Windows® 7 operating system. 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, and thus shouldn't affect your use of this computer. [. . . ] Push the memory card until you hear a click. Gently pull the memory card out of the memory card slot. Note: Before removing the memory card, disable it via Windows safely remove hardware and eject media utility to avoid data corruption. Connecting a universal serial bus (USB) device Your computer comes with three USB ports and one eSATA/USB port compatible with USB devices. Note: When using a high power consumption USB device such as USB ODD, use the external device's power adapter. Otherwise, the device may not be recognized, and system shut down may result. Connecting a Bluetooth device (on some models) If your computer has an integrated Bluetooth adapter card, it can connect to and transfer data wirelessly to other Bluetooth enabled devices, such as notebook computers, PDAs and cell phones. You can transfer data between these devices without cables and up to 10 meters range in open space. Chapter 2. Learning the basics 13 Note: The actual maximum range may vary due to interference and transmission barriers. To get the best possible connection speed, place the device as near your computer as possible. Enabling Bluetooth communications on your computer To enable Bluetooth communications on your computer, do the following: 1. Slide the integrated wireless device switch from 2. Notes: · · When you do not need to use the Bluetooth function, turn it off to save battery power. You need to pair the Bluetooth enabled device with your computer before you can transfer data between them. Read the documentation supplied with the Bluetooth enabled device for details on how to pair the device with your computer. to . Special keys and buttons B475 OneKey Rescue system button 14 User Guide · · 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, refer to the instructions in Chapter 3 "Lenovo OneKey Rescue system" on page 21. System status indicators These indicators inform you of the computer status. 1 2 3 B475 1 2 3 Caps lock indicator Num lock indicator Hard disk drive indicator Chapter 2. Learning the basics 15 4 5 6 4 5 6 Power status indicator Battery status indicator Wireless communication indicator 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 2 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. [. . . ] Note: Use only the memory types supported by your computer. If you incorrectly install optional memory, or install an unsupported memory type, a warning beep will sound when you try to start the computer. To install a DDR3 SDRAM, do the following: Appendix A. Touch a metal table or a grounded metal object to reduce any static electricity in your body, which could damage the DDR3 SDRAM. [. . . ]