User manual ASUS UX31E

[. . . ] 14 Connecting external devices. . . . . . . . . . . . . . . . . . . . . . 17 Special keys and buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting to the Internet . . . . . . 21 Wired connection (U300/U400) . . . . . . . . . . . . . . . . OneKey Rescue system . . . . . . . . . . 23 OneKey Rescue system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 i Chapter 1. [. . . ] When the required power level exceeds what the power adapter can supply (for example, when Intel Turbo Boost Technology is enabled), the power adapter stops charging the battery pack and the battery back starts to power the computer as well. Note: The computer must be connected to the power adapter when the hybrid power supply is enabled. When the hybrid power supply is enabled, the power adapter and the battery pack work together to power the computer. Then, you may note that the power level of the battery pack becomes lower. When the hybrid power supply is disabled, the power adapter resumes charging the battery pack. Battery Protection -------------------------------------------------------------------------------------------------------If the battery pack remains idle for a long time, the battery may be over-discharged, and its degradation speed may be increased. The battery pack of IdeaPad U series uses the battery protection technology. When your computer remains idle for a long time, the battery pack enters the sleep mode to avoid over-discharge. After the battery pack enters the sleep mode, you cannot turn the computer on without using the power adapter. Please connect the power adapter to the computer to activate the battery pack. Note: The batter pack is in the sleep mode by default. When you use the computer for the first time, please plug the power adapter into it. Otherwise, the computer cannot be turned on. Quick Charge (For IdeaPad U300s series only) -------------------------------------------U300s incorporates the function of quick charge. This function achieves the best result in the power-off mode, when it takes about 40 minutes to charge the battery from 0% to 70% of full power. 9 Chapter 3. · 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. 17 Chapter 3. Learning the basics Special keys and buttons ----------------------------------------------------------------------------------------- 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. 18 Chapter 3. Learning the basics System status indicators ------------------------------------------------------------------------------------------These indicators inform you of the computer status. U400 a Power status indicator b Battery status indicator c Caps lock indicator d Camera indicator 19 Chapter 3. Learning the basics Securing your computer ------------------------------------------------------------------------------------------This section provides information about how to help protect your computer from theft and unauthorized use. 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 Fn + F2 when the Lenovo logo appears on the screen while the computer is starting up. 20 Chapter 4. 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 (U300/U400) ------------------------------------------------------------------------------Wired connections are a reliable and safe way to connect the computer to the Internet. [. . . ] Make sure to back up any critical data before using the recovery feature. 23 Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. Lenovo IdeaPad OneKey Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. is a trademark of SRS Labs, Inc. Premium Surround Sound technology is incorporated under license from SRS Labs, Inc. SRS Premium Surround SoundTM provides the ultimate audio experience for music, movies and games on the PC. [. . . ]