User manual LENOVO B475E

[. . . ] User Guide Lenovo B475e and B575e Before using this information and the product it supports, be sure to read and understand the following: • Safety, Warranty, and Setup Guide • Regulatory Notice • “Important safety information” on page iv • Appendix C “Notices” on page 65 The Safety, Warranty, and Setup Guide and the Regulatory Notice have been uploaded to the Web site. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. Using OneKey Recovery Pro program on the Windows 7 operating system . Putting the computer into sleep mode or shutting it down . [. . . ] Insert a fully charged battery until it clicks into place. Slide the manual battery latch to the locked position. Connect the ac power adapter and all cables. Replacing the backup battery Before you start, print these instructions. 32 User Guide Prerequisites for the procedure DANGER If the backup battery is incorrectly replaced, there is danger of an explosion. The backup battery contains a small amount of harmful substances. To avoid possible injury: • Replace only with a battery of the type recommended by Lenovo. € Keep the battery pack away from fire. € Do not drop, crush, puncture, or subject to strong forces. 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 backup battery, refer to the instructions for the computer: • • “Lenovo B475e” on page 33 “Lenovo B575e” on page 34 Lenovo B475e To replace the backup battery, do the following: 1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait three to five minutes to let the computer cool. Close the computer display, and turn the computer over. See “Replacing the battery” on page 31. Loosen or remove the screws 1 , and then remove the cover 2 . Insert a screwdriver into the backup battery hole and push the backup battery until the battery pops up. Then attach the connector to secure the battery. Reinstall the computer cover, and then reinstall the screws. See “Replacing the battery” on page 31. Connect the ac power adapter and all cables. Lenovo B575e To replace the backup battery, do the following: 1. [. . . ] Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties. all information contained in this document was obtained in specific environments and is presented as an illustration. The result obtained in other operating environments may vary. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you. [. . . ]