Dell OptiPlex 740 Quick Reference Guide - Page 55

Power Light Problem Description Suggested Resolution Solid yellow The Dell Diagnostics is If the Dell Diagnostics is running, running a test, or a device allow the testing to complete. on the system board may be See "Diagnostic Lights" on page 55 faulty or incorrectly to see if the specific problem is installed. identified. 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. See "Diagnostic Lights" on page 55 to see if the specific problem is identified. See "Power Problems" in your online User's Guide. Solid green and a A problem was detected beep code during while the BIOS was POST executing. For instructions on diagnosing the beep code, see "Beep Codes" on page 59. Also, see "Diagnostic Lights" on page 55 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 See "Diagnostic Lights" on page 55 card may be faulty or to see if the specific problem is incorrectly installed. identified. Solid green An integrated system board See "Diagnostic Lights" on page 55 power light and device may be faulty. to see if the specific problem is no beep code, identified. If the problem is not but the identified, contact Dell for technical computer locks assistance. For information on up during POST contacting Dell, see your online User's Guide. Diagnostic Lights CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. Quick Reference Guide 55