[. . . ] Some features may not be available on your computer and/or your computer may include features that are not described in this user guide. Notice for users in U. S. A · · · If your product is not working correctly, DO NOT RETURN IT TO THE STORE. For technical assistance, contact a Lenovo® support specialist 24 hours a day by calling toll free 1-877-4 ASUS (1-877-453-6686). Additionally, you can find support information and updates on the Lenovo Web site located at http://consumersupport. lenovo. com · First Edition (October 2011) © Copyright Lenovo 2011. [. . . ] To shut down your computer, click and select Shut down from the Start menu. 8 User Guide Using ac power adapter and battery This section provides information about how to use the ac power adapter the battery for your computer. Checking battery status You can determine the percentage of battery power remaining by checking the battery icon in the notification area. Notes: As each computer user has different habits and needs, it is difficult to predict how long a battery charge will last. There are two main factors: · · The amount of energy stored in the battery when you commence work. The way you use your computer: for example, how often you access the hard disk drive and how bright you make the computer display. Charging the battery When you find that the battery power is low, you need to charge the battery or replace it with a fully charged one. You need to charge the battery in any of the following situations: · · · When you purchase a new battery If the battery status indicator starts blinking If the battery has not been used for a long time Notes: · · · · You are advised to insert the battery pack when using your computer to prevent small particles from entering the inside of your computer. To increase the life of the battery pack, the computer does not start recharging the battery immediately after it drops from fully charged. Charge the battery at a temperature between 50 ° F and 86 ° F (10 ° C-30 ° C). Full charge or discharge is not required. Removing the battery pack If you are not going to use the computer for an extended period of time, or if you need to send your computer to Lenovo for service, etc. Before removing the battery pack, make sure the computer has been shut down. Chapter 2. Learning the basics 9 Handling the battery If the rechargeable battery pack is replaced with an incorrect type, there may be danger of an explosion. To avoid possible injury and detriment to the environment, pay attention to the following points: · Replace only with a battery of the type recommended by Lenovo. Note: This password can be from one to seven alphanumeric characters in any combination. For details about how to set the password, refer to the online help information system to the right of the screen in BIOS Setup Utility. 16 User Guide Note: To enter BIOS Setup Utility, press F2 when the Lenovo logo appears on the screen while the computer is starting up. Fingerprint reader (on some models) 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, refer to the online help information system of your software. 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. Wired connection Cable DSL Description 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 This topic provides information about how to connect to the Internet through hardware connection. Chapter 2. Learning the basics 17 Cable 1 2 3 EEE PC X101CH 1 2 3 TV cable (not supplied) Splitter (not supplied) Cable modem (not supplied) Note: Your weird connection might slightly be different with the above illustrations. 18 User Guide DSL 1 2 3 EEE PC X101CH 1 2 3 Telephone line (not supplied) Splitter (not supplied) DSL modem (not supplied) Note: Your weird connection might slightly be different with the above illustrations. Software configuration Consult your Internet Service Provider (ISP) for details on how to configure your computer. 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. Wireless connection Wi-Fi Description Wi-Fi networks cover a small physical area, like a home, office, or small group of buildings. WiMAX networks connect several Wireless LAN systems to cover a metropolitan area, providing high-speed broadband access without the need for cables. WiMAX Note: Your computer may not support all wireless connection methods. Chapter 2. Learning the basics 19 Using Wi-Fi/WiMAX (on some models) Enabling wireless connection To enable wireless communications, do the following: 1. Hardware connection 1 EEE PC X101CH . 2 1 2 Access point (not supplied) Wi-Fi/WiMAX network Software configuration Consult your Internet Service Provider and search Windows Help and Support Center for details on how to configure your computer. 20 User Guide Chapter 3. [. . . ] You can purchase a new hard disk drive from your reseller or Lenovo marketing representative. Notes: · Replace the hard disk drive only if you upgrade it or have it repaired. The connectors and bay of the hard disk drive were not designed for frequent changes, or drive swapping. · The preinstalled softwares are not included on an optional hard disk drive. Handling a hard disk drive · · · Do not drop the drive or subject it to physical shocks. [. . . ]