Removing the Battery or Plug-In Module (User-Replaceable) Required Equipment Removal Procedure • None. 1. Unplug the ac adapter, if present. 2. Turn the unit bottom side up. 3. Slide the latch open and pull out the module. Faceplate Figure 2-1. Removing the Battery or Module Reassembly Notes • You can install a battery in either bay. But any other type of module must be installed in only the left bay (on the right side when the unit is upside-down). • For a battery, slide its faceplate to the left or right so it fits into the bay correctly. HP OmniBook 7100 Removal and Replacement 2-3