Dell Precision 650 Setup and Quick Reference Guide - Page 35

Power Light Solid green power light and no beep code and no video during POST Solid green power light and no beep code, but the computer locks up during POST Hard-Drive Light N/A N/A Cause Corrective Action The monitor or the graphics card may be faulty or incorrectly installed. An integrated system board device may be faulty. Check the diagnostic lights to see if the specific problem is identified. Also, see "Video Problems" in the User's Guide. Check the diagnostic lights to see if the specific problem is identified. If the problem is not identified, contact Dell for technical assistance. Beep Codes Your computer might emit a series of beeps that identify a problem. One possible series (code 1-3-1) consists of one beep, a burst of three beeps, and then one beep. This series tell you that the computer encountered a memory problem. If a beep code is emitted, write it down and look it up under "Beep Codes" in the User's Guide. Error Messages If an error occurs during start-up, a message may be displayed on the monitor identifying the problem. See "Error Messages" in the User's Guide for suggestions on resolving any problems. Diagnostic Lights To help you troubleshoot a problem, your computer is equipped with four lights on the front panel labeled "A," "B," "C," and "D." The lights can be yellow or green. When the computer starts normally, the lights flash. After the computer starts, the lights remain green. If the computer malfunctions, the color and sequence of the lights identify the problem. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide. NOTE: If the message is not listed, see the documentation for either the operating system or the program that was running when the message appeared. Setup and Quick Reference Guide 35