Dell OptiPlex 755 - Manual (Page 226)

Attaching the Cable Cover
1. Ensure that all external device cables are threaded through the hole in the cable cover.
2. Connect all device cables to the connectors on the back of the computer.
3. Hold the bottom of the cable cover so as to align the tabs with the slots on the computer's back panel.
4. Insert the tabs into the slots and slide the cover to align the ends of the cover with the ends of the chassis (see the illustration) until the cable cover is
securely positioned.
5. Install a security device in the security cable slot (optional).
Removing the Cable Cover
1. If a security device is installed in the security cable slot, remove the device.
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
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.
1 cable cover
2 security cable slot
1 release button
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
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.