Dell 755 Personal Computer User Manual


 
166 Small Form Factor Computer
Back View
7 power light The power light illuminates and blinks or remains solid to indicate different
operating states:
No light — The computer is turned off.
Steady green — The computer is in a normal operating state.
Blinking green — The computer is in a power-saving mode.
Blinking or solid amber — See
"Power Problems
" on page 339.
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
"Power Management for Windows XP and Windows Vista" on page 292.
See "Dell Diagnostics" on page 353 for a description of light codes that can help
you troubleshoot problems with your computer.
8 headphone connector Use the headphone connector to attach headphones and most kinds of speakers.
9 microphone connector Use the microphone connector to attach a microphone.
10 3.5-inch drive bay Can contain an optional slimline floppy drive or optional media card reader.
11 5.25-inch drive bay Can contain a slimline optical drive. Insert a CD or DVD (if supported) into this
drive.
51 2 3 4
6
1 card slots Access connectors for any installed PCI cards, PCI Express cards, PS/2, eSATA,
and so on.
2 back panel connectors Plug serial, USB, and other devices into the appropriate connectors (see "Back
Panel Connectors" on page 167).
3 power connector Insert the power cable.