Removing a Plug-In Accessory Module (User-Replaceable) Note Plug-in accessory modules have no repairable components. A defective module must be exchanged. Required Equipment • None. Removal Procedure 1. Slide the safety latch for the plug-in slot into its recess. 2. Slide and hold the release latch, then slide out the module. Figure 2-2. Removing a Plug-In Module Reassembly Note Caution Be sure the safety latch is open before you insert the module. Otherwise, the release latch could break if you force the module in. • After installing the module, close the safety latch. 2-4 Removal and Replacement HP OmniBook 2100/3000/3100