Dell OptiPlex 745c Quick Reference Guide - Page 24
System Lights, computer, close - video driver
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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 A configuration error exists. times and then turns off 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 Check Diagnostic Lights to see if the specific problem faulty or incorrectly installed or the is identified (see "Diagnostic Lights" on page 25). voltage selection switch on the power See "Power Problems" in your online User's Guide. supply may be set incorrectly. 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 The monitor or the graphics card may Check Diagnostic Lights to see if the specific problem light, no beep code be faulty or incorrectly installed. is identified. and no video during POST 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. 24 Quick Reference Guide