Error Codes Dell Optiplex 745
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guide to the OptiPlex Diagnostic Indicators Dell OptiPlex systems have a long history of built in diagnostic indicators. These can be audible beeps, power buttons that display different states and colours, specific diagnostics LEDs or a combination of them all, in order to dell optiplex 745 beep codes indicate at which point during the Power On Self Test (POST) a system
Dell Optiplex 745 Diagnostic Lights
is having issues. The following article is a reference guide to the codes available on each model and what dell optiplex 755 error codes those codes actually mean. These change through the various models and years. These indicators are merely a starting point to narrow down any troubleshooting you will carry out to identify the cause dell optiplex 745 error 3 4 of your current issue. You can use this as a starting point to narrow down the proper troubleshooting guide you will need or you can contact technical support for further help and they will be looking for these indicators as well. Table of Contents: Diagnostic LEDs for the OptiPlex series (Prior to 2005) Diagnostic LEDs for the OptiPlex Series (2005 to 2009) Diagnostic LEDs for
Dell Optiplex 745 Error Codes 1 2 3
the OptiPlex series (2009 to 2012) Diagnostic LEDs for the OptiPlex series (2012 to Present) OptiPlex Audible Beep Codes Note: For all the tables below, please remember that the diagnostic LEDs only serve as an indicator of the progress through the POST process. These LEDs do not indicate the problem that caused the POST routine to stop. Note: Please be aware that if your system completes POST without stopping on a particular error code and then gives a black screen, the most likely reason is that you are experiencing a No Boot issue and not a No POST issue at all. Back to Top 1. Diagnostic LEDs for the OptiPlex series (Prior to 2005) This series of systems had a block of A, B, C, D LEDs on the back of the chassis that lit up in Green and Amber. I've included a table below with what these indicated. These models were readily identifiable by the rounded fronts and clamshell assembly. Note : Please click on the title of the section you want to open below, in order to see the contents. Show all | Hide all Diagnostic LEDs CPU configur
Reference Manual: Diagnostic Lights Dell desktop computer quick reference guide. Hide thumbs Also See for OptiPlex 745c Administrator's manual - 20 pages 1 2 3 4 5 6 7 8 9 10 11 dell optiplex 745 specs 12 13 14 15 16 17 18 19 20 21 22 23 24 25 dell optiplex 745 drivers 26 27 28 29 30 31 32 33 34 35 36 Diagnostic Lights CAUTION: Before you begin any of the procedures
Dell Optiplex 745 Manual
in this section, follow the safety instructions in the Product Information Guide. To help you troubleshoot a problem, your computer has four lights labeled "1," "2," "3," and "4" on the front or back panel. http://www.dell.com/support/article/us/en/04/SLN284978/en The lights can be "off" or green. When the computer starts normally, the patterns or codes on the lights change as the boot process completes. If the POST portion of system boot completes successfully, all four lights display solid green for a short time, and then turn off. If the computer malfunctions during the POST process, the pattern displayed on the LEDs may help identify where in the process the computer https://www.manualslib.com/manual/36837/Dell-Optiplex-745c.html?page=25 halted. If the computer malfunctions after a successful POST, the diagnostic lights do not indicate the cause of the problem. NOTE: The orientation of the diagnostic lights may vary depending on the system type. The diagnostic lights can be either vertically or horizontally oriented. Light Pattern Problem Description The computer is in a normal "off" condition, or a possible pre-BIOS failure has occurred. The diagnostic lights are not lit after the computer successfully boots to the operating system. A possible BIOS failure has occurred; the computer is in recovery mode. A possible processor failure has occurred. Memory modules are detected, but a memory failure has occurred. Suggested Resolution Plug the computer into a working electrical outlet and press the power button. Run the BIOS Recovery utility, wait for recovery completion, and then restart the computer. Reinstall the processor and restart the computer. For information on reinstalling the processor, see your online User's Guide. • If you have one memory module installed, reinstall it and restart the computer. For information on reinstalling memory modules, see your online User's Guide. • If you have two or more memory modules installed, remove the modules, reinstall one module, and then restart the computer. If the computer starts normally, reinstall an additional module. Continue u
you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. When to Use the Dell Diagnostics If you experience a problem with your computer, perform the checks in http://gosrock.com/my745/trouble.htm this section and run the Dell Diagnostics before you contact Dell for technical assistance. It is recommended that you print these procedures before you begin. NOTICE: The Dell Diagnostics works only on Dell computers. Enter system setup (see Entering System Setup), review your computer's configuration information, and ensure that the device you want to test displays in system setup and is active. Start the Dell Diagnostics dell optiplex from either your hard drive or from the Drivers and Utilities CD (an optional CD also known as the ResourceCD). See Starting the Dell Diagnostics From Your Hard Drive or Starting the Dell Diagnostics From the Drivers and Utilities CD (Optional) for more information. Starting the Dell Diagnostics From Your Hard Drive Turn on (or restart) your computer. When the DELL logo appears, press