5
power light
6
diagnostic lights
7
hard-drive activity light
8
headphone connector
9
microphone connector
10 floppy drive
11 CD/DVD drive
Back View
1
1
card slots
2
back-panel connectors
3
power connector
98
Desktop Computer
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
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."
See
"Diagnostic
Lights" for a description of light codes that can help you
troubleshoot problems with your computer.
Use the lights to help you troubleshoot a computer problem based on the diagnostic
code. For more information, see
This light flickers when the hard drive is being accessed.
Use the headphone connector to attach headphones and most kinds of speakers.
Use the microphone connector to attach a microphone.
Insert a floppy disk into this drive.
Insert a CD or DVD (if applicable) into this drive.
2
Access connectors for any installed PCI and PCI Express cards.
Plug serial, USB, and other devices into the appropriate connector.
Insert the power cable.
"Power
Problems."
"Diagnostic
Lights."
3
4
5
6