Back View; Back Panel Connectors - Dell OptiPlex 745c User Manual

No light — The computer is turned off.
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Steady green — The computer is in a normal operating state.
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Blinking green — The computer is in a power-saving mode.
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Blinking or solid amber — See your online User's Guide.
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To exit from a power-saving mode, press the power button or use the
keyboard or the mouse if it is configured as a wake device in the
Windows Device Manager. For more information about sleep modes and
exiting from a power-saving mode, see your online User's Guide.
See System Lights
troubleshoot problems with your computer.
9 hard-drive This light flickers when the hard drive is being accessed.
activity light
10 headphone Use the headphone connector to attach headphones and most kinds of
connector speakers.
11 microphone Use the microphone connector to attach a microphone.
connector

Back View

1 cover-release This latch allows you to open the computer cover.
latch
2 padlock ring Insert a padlock to lock the computer cover.
3 voltage Your computer is equipped with a manual voltage-selection switch. To
selection help avoid damaging a computer with a manual voltage-selection switch,
switch set the switch for the voltage that most closely matches the AC power
available in your location.
NOTICE:
115-V position.
Also, ensure that your monitor and attached devices are electrically rated
to operate with the AC power available in your location.
4 power Insert the power cable.
connector
5 back-panel Plug serial, USB, and other devices into the appropriate connectors. See
connectors Back-Panel Connectors.
6 card slots Access connectors for any installed PCI and PCI Express cards.
Back-Panel Connectors
for a description of light codes that can help you
In Japan, the voltage selection switch must be set to the