User manual TNB PREC032350

[. . . ] Using the ac power adapter and the battery pack Checking the battery status . Replacing the PCI Express Mini Card for wireless LAN/WiMAX connection . Problems with drives and other storage devices . 73 ii User Guide Read this first Be sure to follow the important tips given here to continue to get the most use and enjoyment out of your computer. [. . . ] 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 V480 and V480c” on page 33 “Lenovo V580 and V580c” on page 34 Lenovo V480 and V480c 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. The connectors and slot of the hard disk drive are not designed for frequent changes, or drive swapping. € Do not drop the drive or subject it to physical shocks. Put the drive on a material, such as soft cloth, that absorbs the physical shock. € Do not apply pressure to the cover of the drive. € Before removing the hard disk drive, make a backup copy of all the information on it, and then turn the computer off. € Never remove the drive while the computer is operating, in sleep mode, or in hibernation mode. To replace the hard disk drive, refer to the instructions for the computer: • • “Lenovo V480 and V480c” on page 35 “Lenovo V580 and V580c” on page 37 Lenovo V480 and V480c To replace the hard disk drive, 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. [. . . ] wEEE and recycling statements 69 70 User Guide Appendix C. Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. [. . . ]