220 Advanced Troubleshooting
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Diagnostic Lights
System Lights
Located on the front of the computer, these lights can indicate a computer problem.
Power Light Hard-Drive
Light
Problem Description Suggested Resolution
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 (Microsoft
®
Windows
®
2000
and Windows XP).
Press the power button, move the
mouse, or press a key on the
keyboard to wake the computer. See
"Power Button."
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.
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.
See "System Board Problems."
If the computer does not boot,
contact Dell for technical
assistance.
Blinking yellow Blank A power supply or system board
failure has occurred.
Check the diagnostic lights to see if
the specific problem is identified.
See "Power Problems" and "System
Board Problems."
Blinking yellow Solid green A system board or VRM failure has
occurred.
Check the diagnostic lights to see if
the specific problem is identified.
See "System Board Problems."
Solid green and a
beep code during
POST
N/A A problem was detected while the
BIOS was executing.
See "Beep Codes" for instructions
on diagnosing the beep code. Also,
check the diagnostic lights to see if
the specific problem is identified.
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