System Lights - Dell OptiPlex JK523 Quick Reference Manual

5 Close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the
computer, close the Main Menu screen.

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 may
light, no beep code 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 to see if the specific
problem is identified (see "Diagnostic Lights"
on page 34).
If the Dell Diagnostics is running, allow the
testing to complete.
Check Diagnostic Lights to see if the specific
problem is identified (see "Diagnostic Lights"
on page 34).
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 to see if the specific
problem is identified (see "Diagnostic Lights"
on page 34).
See "Power Problems" in your online User's
Guide.
For instructions on diagnosing the beep code
see "Beep Codes" on page 37. Also, check
Diagnostic Lights to see if the specific
problem is identified.
Check Diagnostic Lights to see if the specific
problem is identified.
Check Diagnostic Lights 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
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