Dell Optiplex Boot Error Codes
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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 Power dell optiplex 755 error codes On Self Test (POST) a system is having issues. The following article is a
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reference guide to the codes available on each model and what those codes actually mean. These change through the various models and
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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 to narrow
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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 Codes Note: For dell optiplex gx520 error codes 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 troubleshooting the display and the operating sys
and Vostro Beep Codes and Error Messages. This article provides information on Dell Optiplex & Vostro Beep Codes and Error Messages. Starting from the D4 generation of OptiPlex models onwards (7010/9010/9010 AIO), the beep codes will be eliminated, replaced by a single memory error pattern Now only "no memory failure" conditions dell optiplex error codes 1 3 generate the beep code, the beep pattern is 1-3-2 (1 beep, then 3 beeps, dell optiplex 755 error codes 2 and 4 then 2 beeps). This beep code tells you that the computer encountered a memory problem. The new beep codes emit only memory dell optiplex 960 error codes failure symptoms. Occasionally, reseating the memory modules may fix the beep code errors. Table of Contents: Optiplex Beep Codes Optiplex Error Messages Vostro Beep Codes Vostro Error Messages 1. OptiPlex Beep Codes The computer might emit http://www.dell.com/support/article/us/en/04/SLN284978/en a series of beeps during start-up if the display cannot show errors or problems. This series of beeps, called a beep code, can be used to help identify various problems. Diagnostic Beep Codes Code Cause 1-1-2 Microprocessor register failure 1-1-3 NVRAM 1-1-4 ROM BIOS checksum failure 1-2-1 Programmable interval timer 1-2-2 DMA initialization failure 1-2-3 DMA page register read/write failure 1-3-1 through 2-4-4 DIMMs not being properly identified or used 3-1-1 Slave http://www.dell.com/support/article/us/en/19/SLN143065/EN DMA register failure 3-1-2 Master DMA register failure 3-1-3 Master interrupt mask register failure 3-1-4 Slave interrupt mask register failure 3-2-2 Interrupt vector loading failure 3-2-4 Keyboard Controller Test failure 3-3-1 NVRAM power loss 3-3-2 NVRAM configuration 3-3-4 Video Memory Test failure 3-4-1 Screen initialization failure 3-4-2 Screen retrace failure 3-4-3 Search for video ROM failure 4-2-1 No time tick 4-2-2 Shutdown failure 4-2-3 Gate A20 failure 4-2-4 Unexpected interrupt in protected mode 4-3-1 Memory failure above address 0FFFFh 4-3-3 Timer-chip counter 2 failure 4-3-4 Time-of-day clock stopped 4-4-1 Serial or parallel port test failure 4-4-2 Failure to decompress code to shadowed memory 4-4-3 Math coprocessor test failure 4-4-4 Cache test failure Please contact us for further assistance on beep codes Back to Top 3. Optiplex Error Messages An Error Message may be displayed along with the accompanying beep code. Please refer to the table below for details on the error message. Diagnostic Error Messages Error Message Indication Address mark not found The BIOS found a faulty disk sector or could not find a particular disk sector. Alert! Previous attempts at booting this system have failed at checkpoint [nnnn]. For help in resolving this problem, please note this checkpoint and contact Dell Technical Support. The computer failed to complete the boot routine three consecutive times
information on the power and diagnostic LED configuration status for the Precision Workstation T3610/T5610/T7610 systems.Table of Contents: Location and purpose of the power button LED and the diagnostic LEDs Power button LED states Pre-POST (Power On Self http://www.dell.com/support/article/us/en/04/SLN288973/en Test) diagnostic LED patterns POST diagnostic LED patterns 1. Location and purpose of the power button LED and the diagnostic LEDs. The diagnostic LEDs are located on the front of the chassis and numbered 1, 2, 3, 4. The LEDs are located beneath the headphone and microphone jacks. These diagnostic LEDs are only active and visible during the Power On Self-Test (POST) process. Once the dell optiplex operating system starts to load, they turn off and are no longer visible. The configuration of these LEDs along with the color state of the power button can help pinpoint a potential problem with the system. Each LED has three possible states: OFF, ON, or BLINKING. Use the chart below as a reference for the different LED patterns and the possible system issues they indicate. dell optiplex 755 Note: The diagnostic LEDs only serve as an indicator of the progress through the POST (Power On Self-Test) process. These LEDs do not indicate the problem that caused the POST routine to stop. For a more detailed description of the POST process and how to troubleshoot issues with the system powering on and booting to Windows, refer to the article Why Won't my Desktop Computer Turn On? at the Dell support site. Back to Top 2. Power button LED states Power LED state Description Off Power is off, LED is blank. Blinking amber Initial state of LED at power up.Indicates system has power, but the POWER_GOOD signal is not yet active.If the Hard Drive LED is off, it is probable that the power supply needs to be replaced.If the Hard Drive LED is on, it is probable that an onboard regulator or VRM has failed. Look at the diagnostic LEDs for further information. Solid amber Second state of the LED at power up. Indicates the POWER_GOOD signal is active and it is probable that the power supply is fine. Look at the diagnostic LEDs for further information. Blinking white System is in a