Dell Laptop Led Error Codes
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Diagnostic Code Information Portable POST Diagnostic Codes Failure of a Latitude C400, C600, C610, C640, C800, C810, C840, D600, D610, D500, D505, D510, D400, D410, D800, D810, Inspiron 4000, 4100, 4150, 8000, 8100, 8200, 8500, 8600, 9100, 9200, 9300, Mobile Precision M40, M50, M60, and M70
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to complete the POST (Power-on Self Test) process will result in an LED dell laptop error codes lights code sequence that utilizes the Num Lock, Cap Lock, and Scroll Lock. The LED codes represent specific points during the
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POST process of the system. The Table 1 below, details what each Code represents during the POST process. Note: The following table is intended for informational purposes only, and should not be used to dell laptop beep codes dispatch parts or service. Note: The Action That May Be Necessary column should only used as a guide for your actions and may not represent complete troubleshooting or root cause of the problem. For more thorough POST troubleshooting refer to DSN Decision tree: No POST, No Power, No Video [Dell Dimension, Inspiron, Latitude, OptiPlex, Precision Workstation]. Flash Code Description Action That May Be Necessary The Microcontroller is dell latitude error codes handing control of the system to the processor. This code will persist if there is no processor detected. 1. Reseating/Replacing the processor. 2. Replacing the system board. The memory is believed to be good, but it's about to be exercised. Such as shadowing the BIOS and zeroing all the memory. 1. Reseating the memory. 2. Replacing the memory. 3. Replacing the system board. Configuring PCI bridges Replacing the system board. Decompressing video BIOS 1. Replacing the video card. 2. Replacing the system board. Diskette and hard disk initialization 1. Reseating the disk drive. 2. Replacing the disk drive. 3. Replacing the system board. USB controller initialization 1. Removing any USB devices. 2. Replacing the system board No SODIMM installed 1. Reseating the memory. 2. Replacing the memory 3. Replacing the system board Timer/Gate A20/Real time clock/Mouse port Replacing the system board SPD data reports all SODIMMS are unusable. 1. Reseating the memory. 2. Replacing the memory Running PCI options ROM Replacing the system board Loading SMI handler and executing first SMIs Replacing the system board Turning on the LCD panel (after video configuration) 1. Reseating the LCD cable 2. Replacing the LCD panel 3. Replacing the video card Enabling
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 On Self Test (POST) a
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system is having issues. The following article is a reference guide to the codes available on toshiba laptop error codes each model and what those codes actually mean. These change through the various models and years. These indicators are merely a starting point
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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 down the proper troubleshooting guide you will need or you can http://www.dell.com/support/article/us/en/19/SLN88553/EN 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 all the tables below, please remember that the diagnostic LEDs only serve as an indicator of the http://www.dell.com/support/article/us/en/04/SLN284978/en 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 system. If the LEDs never came on at any point then look into a power issue. ABCD RCM BIOS checksum failure - Recovery mode Reset the BIOS and clear the NVRAM If this oc
Diagnose & Repair How It Works Laptop Repair Pricing DC Jack Repair Dell Refurbishing Part Installation Service Send In Your http://blog.parts-people.com/2014/07/02/dell-latitude-e6400-led-post-codes-diagnostic-indicators/ Dell Laptop Refurbished Laptops DIY + How-To Videos Technology News clear text Shop DIY Help Contact Us Home>Dell Latitude Repair Manuals >Latitude E6400 > Dell Latitude E6400 LED POST Codes Diagnostic Indi ... Dell Latitude E6400 LED POST Codes Diagnostic Indicators Created by Roscoe Dyer on July 2, 2014 PrintEmail Comments 2 How to identify LED Light codes: When error codes a laptop or computer first powers on, it goes through an initial set of diagnostic tests to make sure vital components are preforming correctly. These tests are called POST or Power On Self Test. When a test fails, the user is notified via POST codes, Light codes, or Beep codes. For diagnosing LED light codes you need to: Power laptop error codes on the laptop or restart it if it is already on. Identify the correct flashing light sequence. Dell Latitude E6400 LED Light Codes LED Light Code Component Causing No POST Possible Solution(s) Motherboard / System Board Fault Replace the motherboard / system board. RAM Memory Fault Reseat the memory sticks. Replace the memory sticks. Replace the motherboard / system board. CPU Processor Fault Reseat the CPU. Replace the CPU. Replace the motherboard / system board. RAM Not Detected Install the memory sticks. Reseat the memory sticks. Replace the memory sticks. Replace the motherboard / system board. Option ROM Fault Reseat the ROM device. Replace the ROM device. Replace the motherboard / system board. Video Card Fault Replace the video card. Replace the motherboard / system board. USB Controller Fault Unplug the USB devices. Replace the motherboard / system board. LCD Screen Fault Reseat the LCD cable. Replace the LCD screen. Replace the motherboard / system board. Hard Drive / Optical Drive Fault Remove the hard drive and optical drive. Replace the hard drive and test.