Dell OptiPlex 745c (Early 2007) - Manual (Page 24)

24
Quick Reference Guide
4 When the tests are completed, if you are running the Dell Diagnostics from the Drivers and Utilities
CD (optional), remove the CD.
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 Suggested Resolution
Solid green Power is on, and the computer is
operating normally. No corrective action is required.
Blinking green The computer is in a power-saving
mode. Press the power button, move the mouse, or press a
key on the keyboard to wake the computer.
Blinks green several
times and then
turns off A configuration error exists. Check Diagnostic Lights to see if the specific problem
is identified (see "Diagnostic Lights" on page 25).
Solid yellow A device on the system board may be
faulty or incorrectly installed or the
voltage selection switch on the power
supply may be set incorrectly. Check Diagnostic Lights to see if the specific problem
is identified (see "Diagnostic Lights" on page 25).
See "Power Problems" in your online User’s Guide.
If the computer does not boot, contact Dell for
technical assistance. For information on contacting
Dell, see your online
User’s Guide.
Blinking yellow A power supply or system board
failure has occurred. Check Diagnostic Lights to see if the specific problem
is identified (see "Diagnostic Lights" on page 25).
See "Power Problems" in your online User’s Guide.
If the computer does not boot, contact Dell for
technical assistance. For information on contacting
Dell, see your online
User’s Guide.
Solid green and a
beep code during
POST A problem was detected while the
BIOS was executing. For instructions on diagnosing the beep code see
"Beep Codes" on page 27. Also, check Diagnostic
Lights to see if the specific problem is identified.
Solid green power
light, no beep code
and no video during
POST The monitor or the graphics card may
be faulty or incorrectly installed. Check Diagnostic Lights to see if the specific problem
is identified.
Solid green power
light and no beep
code, but the
computer locks up
during POST An integrated system board device
may be faulty. 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.