System Lights - Dell OptiPlex GX520 Quick Reference Manual

System Lights

Your power light may indicate a computer problem.
Power Light Problem Description
Solid green Power is on, and the computer is
operating normally.
Blinking green The computer is in a power-saving
mode.
Blinks green several A configuration error exists.
times and then
turns off
Solid yellow The Dell Diagnostics is running a
test, or a device on the system board
may be faulty or incorrectly installed.
Blinking yellow A power supply or system board
failure has occurred.
Solid green and a A problem was detected while the
beep code during BIOS was executing.
POST
Solid green power The monitor or the graphics card
light, no beep code may be faulty or incorrectly installed.
and no video during
POST
Solid green power An integrated system board device
light and no beep may be faulty.
code, but the
computer locks up
during POST
Suggested Resolution
No corrective action is required.
Press the power button, move the mouse, or
press a key on the keyboard to wake the
computer.
Check "Diagnostic Lights" on page 32 to see if
the specific problem is identified.
If the Dell Diagnostics is running, allow the
testing to complete.
Check "Diagnostic Lights" on page 32 to see if
the specific problem is identified.
If the computer does not boot, contact Dell
for technical assistance. For information on
contacting Dell, see your online User's Guide.
Check "Diagnostic Lights" on page 32 to see if
the specific problem is identified. See "Power
Problems" in your online User's Guide.
See "Beep Codes" on page 35 for instructions
on diagnosing the beep code. Also, check
"Diagnostic Lights" on page 32 to see if the
specific problem is identified.
Check "Diagnostic Lights" on page 32 to see if
the specific problem is identified.
Check "Diagnostic Lights" on page 32 to see if
the specific problem is identified. If the
problem is not identified, contact Dell for
technical assistance. For information on
contacting Dell, see your online User's Guide.
Quick Reference Guide
31