User manual TNB DARK LIGHT RCDL01

[. . . ] Failure to do so might lead to discomfort or injury, or cause your computer to fail. When your computer is turned on or the battery is charging, the base, the palm rest, and some other parts may become hot. The temperature they reach depends on the amount of system activity and the level of charge in the battery. Extended contact with your body, even through clothing, could cause discomfort or even a skin burn. [. . . ] 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. Note: This password can be a combination of one to seven alphanumeric characters. For more information about how to set the password, refer to the online help information system on the right screen of the BIOS. Note: To enter the BIOS, press F1 when the Lenovo logo is displayed on the screen while the computer is starting up. Recovery overview The recovery programs can help you diagnose computer problems, get help, and recover from system crashes, even if you cannot start the Windows operating system. Using OneKey Recovery Pro program on the Windows 7 operating system On the Windows 7 operating system, the OneKey Recovery Pro program enable you to do the following: • Performing backup and recovery operations The OneKey Recovery Pro program enables you to back up all your hard disk drive contents including the operating system, data files, software programs, and personal settings. You can designate where the OneKey Recovery Pro program stores the backup. € Using the OneKey Recovery Pro workspace The OneKey Recovery Pro workspace resides in a protected, hidden area of your hard disk drive that operates independently from the Windows operating system. This enables you to perform recovery operations even if you cannot start the Windows operating system. You can perform the following recovery operations from the OneKey Recovery Pro workspace. Note: This system does not support batteries that are not genuine Lenovo-made or authorized. The system will continue to boot, but may not charge unauthorized batteries. Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use. To replace the battery with a new one, read the following prerequisites. © Copyright Lenovo 2012 31 Prerequisites for the procedure DANGER If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. To avoid possible injury: • Replace only with a battery of the type recommended by Lenovo. Battery abuse or mishandling can cause the battery to overheat, which can cause gasses or flame to “vent” from the battery pack or coin cell. To replace the battery, do the following: Note: Your computer might look different from the following illustration. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Holding the battery lock lever in the unlocked position 2 and remove the battery pack. Replacing the backup battery Before you start, print these instructions. [. . . ] Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you. This information could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. Lenovo may make improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time without notice. [. . . ]