Lenovo V480s User Guide - Page 49
Lenovo V480 and V480c, Do not drop, crush, puncture
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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 expose it to excessive heat. • Do not expose it to water or rain. • Do not short-circuit it. • 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 35 • "Lenovo V580 and V580c" on page 36 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. 2. Close the computer display, and turn the computer over. 3. Remove the battery. See "Replacing the battery" on page 33. 4. Remove the screws 1 , and then remove the cover 2 . 1 1 2 2 5. Detach the connector 3 . Then remove the backup battery 4 . Chapter 7. Replacing devices 35