Dell OptiPlex 755 User's Guide - Page 238

1 1 release button 2 Slide the release button, grasp the cable cover, and slide the cover sideways as shown until it stops, and then lift the cable cover up and away. Connecting the AC Power Adapter CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. 1 Connect the AC power adapter to the power connector on the back of the computer. Ensure that the latch clicks into place for a secure connection. 2 Connect one end of the AC power cable to the power adapter. CAUTION: If your power adapter cable has a green grounding wire, do not permit contact between the green ground wire and power leads because electrical shock, fire, or damage to your computer can occur. 3 If your AC power cable has a green ground wire for connection to an electrical outlet, connect the metal ground connector to the grounding source (often a screw) on the outlet (see the following illustration): a Loosen the grounding source. b Slide the metal ground connector behind the grounding source, and then tighten the grounding source. 238 Ultra Small Form Factor Computer