Dell OptiPlex 745 - Manual (Page 192)

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 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.
4. Connect the AC power cable to the outlet.
The power adapter has a status light is off when the AC adapter is not plugged into the outlet and green or amber for different states:
l green light — solid green indicates the power adapter is connected to an AC outlet and the computer.
l amber light — solid amber indicates the power adapter is connected to an AC outlet but not the computer. The computer will not operate in this
condition. Connect the power adapter to the USFF system and/or reset the power adapter by disconnecting and reconnecting the AC mains.
Badge
The badge on the front of your computer can be rotated. To rotate the badge:
1. Remove the computer cover (see Removing the Computer Cover ).
2. Pull on the lever to release the notch from the slot.
3. Rotate the badge to the desired position, ensuring that the notch is secured in the slot.
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1 grounding source
2 metal ground connector
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
1 release lever
2 slots