Dell OptiPlex 740 Quick Reference Manual page 41

Power Light Problem Description
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
Check Diagnostic Lights to see if the specific
problem is identified (see "Diagnostic Lights"
on page 42).
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 42).
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 42).
See "Power Problems" in your online User's
Guide.
For instructions on diagnosing the beep code
see "Beep Codes" on page 44. 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
41