Lenovo E40-30 Laptop User Guide Lenovo E40-xx Notebook - Page 38

DANGER If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack 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 battery pack, do the following: 1. Turn off the computer and 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. Unlock the battery lock 1 . Hold the battery lock in the unlocked position 2 , and then remove the battery pack. a1 b 4. Insert a fully charged battery pack until it clicks into place. Then slide the battery lock 1 to the locked position to secure the battery pack in place. 5. Turn the computer over again. Connect the ac power adapter and all cables. Replacing the memory module Before you start, print these instructions. Note: The operating speed of a memory module has dependency on the system configuration. In some conditions, the memory module in your computer might not be able to operate at the maximum speed. Attention: Before you start installing a memory module, touch a metal table or a grounded metal object. This action reduces any static electricity from your body. The static electricity could damage the memory module. 24 User Guide