Setup and Quick Reference Guide 45
System Lights
Your computer has a number of lights that can help you analyze and solve problems. To locate these lights, see "Mini-Tower Computer Features" on page9 or "Small Desktop Computer Features" on page 19.The following table lists the codes for the system lights, gives probable causes, and suggests corrective actions.System Light Codes
Power Light Hard-Drive Light Cause Corrective Action
Solid green N/A Power is on, and the computer is
operating normally.
No corrective action is required.
Blinking green Blank The computer is in the suspended
state (Windows 2000 and XP).
Press the power button, move the
mouse, or press a key on the keyboard
to wake the computer. See "Power
Management" in the User’s Guide for
more information.
Blinks green several
times and then
turns off
N/A A configuration error exists. Check the diagnostic lights to see if
the specific problem is identified.
Seethe User ’s Guide for more
information.
Solid yellow N/A The Dell Diagnostics is running a
test, or a device on the system board
may be faulty or incorrectly installed.
If the Dell Diagnostics is running,
allow the testing to complete.
Check the diagnostic lights to see if
the specific problem is identified.
Also, see "System Board Problems" in
the User’s Guide.
If the computer does not boot,
contact Dell for technical assistance.
Blinking yellow Blank A power supply or system board
failure exists.
Check the diagnostic lights to see if
the specific problem is identified. See
"Power Problems" and "System Board
Problems" in the User’s Guide.
Blinking yellow Solid green A system board failure exists. Check the diagnostic lights to see if
the specific problem is identified.
Also, see "System Board Problems" in
the User’s Guide.