Dell Led Error Codes 755
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reference 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 indicate at which point during the dell optiplex 755 error codes Power On Self Test (POST) a system is having issues. The following article is dell optiplex 755 error codes 2 and 4 a reference guide to the codes available on each model and what those codes actually mean. These change through the various dell optiplex 755 error codes 3 and 4 models and years. These indicators are merely a starting point to narrow down any troubleshooting you will carry out to identify the cause of your current issue. You can use this as a starting point dell 755 light codes 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 the OptiPlex series (2009 to 2012) Diagnostic LEDs for the OptiPlex series (2012 to Present) OptiPlex Audible Beep
Dell Led Error Codes Optiplex 7010
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 configuration activity or failure; CPU Cache failure LED Pattern State Name State Description Suggested Resolution No Pattern Visible Off System POST complete - LED time-out has occurred If the LEDs came on and then went off, look at
with numbers 3 and 4 lit Join Sign in Optiplex 755 freezes during start-up with numbers 3 and 4 lit Desktop Desktop computer Forums (Audio, General Hardware, Video) Get this RSS feed Home Forums Wiki Details 1 Reply 1 Subscriber Postedover 5 years
Dell Optiplex 755 Orange Light
ago Options RSS Share Optiplex 755 freezes during start-up with numbers 3 and 4 lit This dell optiplex 755 orange light on motherboard question has suggested answer(s) Posted by gjbiemond on 13 Dec 2010 1:50 All, I have some issues with my Optiplex. First it doesn't always dell optiplex 755 orange light blinking react when the power button is pressed. And now it doesn't start up. In the start-up process the computer freezes, even before the start-up screen is visible, and the numbers 3 and 4 are lit on the display. Any suggestions http://www.dell.com/support/article/us/en/04/SLN284978/en how to solve these problems. Thx, Gert-Jan. Like 0 Reply You have posted to a forum that requires a moderator to approve posts before they are publicly available. All Replies Posted by SpeedStep on 13 Dec 2010 9:42 Suggested Answer gjbiemond All, I have some issues with my Optiplex. First it doesn't always react when the power button is pressed. And now it doesn't start up. In the start-up process the computer freezes, even before the start-up screen is http://en.community.dell.com/support-forums/desktop/f/3514/t/19357143 visible, and the numbers 3 and 4 are lit on the display. Any suggestions how to solve these problems. Thx, Gert-Jan. OptiPlex 755 - Documentation Troubleshooting
Wiki Navigation On the Wiki Wiki Activity Random page Videos Images Community Recent blog posts Forum Contribute Edit this Page Add a Video Add a Photo http://f5k.wikia.com/wiki/Front_Panel_Lights_-_Optiplex_755,_960,_980 Add a Page Wiki Activity Watchlist Random page Recent changes Front Panel Lights https://www.youtube.com/watch?v=Aqp4ba2Csrs - Optiplex 755, 960, 980 159pages on this wiki Edit Classic editor History Talk0 Diagnostic Lights Edit NOTE: The orientation of the diagnostic lights may vary dependent upon the computer type. The diagnostic lights can appear either vertical or horizontal. Light Pattern Problem Description Suggested Resolution The computer is in a dell optiplex 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. Plug the computer into a working electrical outlet and press the power button. A possible BIOS failure has occurred; the computer is in the recovery mode. Run the BIOS Recovery utility, wait for recovery completion, and then restart dell optiplex 755 the computer. A possible processor failure has occurred. Reinstall the processor and restart the computer. Memory modules are detected, but a memory failure has occurred. If you have one memory module installed, reinstall it and restart the computer. (see Memory for instructions on how to remove and install memory modules.) 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 until you have identified a faulty module or reinstalled all modules without error. If available, install properly working memory of the same type into your computer. If the problem persists, contact Dell (see Contacting Dell).