Dell Laptop Error Leds
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Table of Contents : Top Cover LED's Device Status LED's (Diagnostics) 1. Top Cover LED's The three LED indicator lights on the top cover of the system specify the following: LED Features 1. Power light dell laptop led codes - Computer power management indicator. Power State LED Behaviour On Solid white Standby dell laptop error codes lights Breathe white (slow increase/decrease in illumination) Hibernate Off 2. HDD activity light - Hard drive activity indicator. Blinking white when
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the laptop reads or writes data. To avoid data loss, users should never turn off the laptop while the HDD activity indicator is flashing. 3. Battery light - Battery power management indicator. Battery
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State LED Behaviour Charging / Fully charged Solid white AC Adapter not installed or not detected Off Battery power is less than 10% and not receiving charge Blinking Amber Back to Top 2. Device Status LED's (Diagnostics) The device status LEDs are usually located either on the top or left side of the keyboard. They are used to display the storage, battery and wireless devices connectivity and dell laptop lights blinking activity. Apart from that they can be useful as a diagnostic tool when there's a possible failure to the system. Here's how to read the notebook LED codes when a possible error occurs: Diagnostic LED Fault Description Storage LED Power LED Wireless LED Blinking Solid Solid A possible processor failure has occurred. Solid Blinking Solid The memory modules are detected but have encountered an error. Blinking Blinking Blinking A system board failure has occurred. Blinking Blinking Solid A possible graphics card/video failure has occurred. Blinking Blinking Off System failed on hard drive initialization OR System failed in Option ROM initialization. Blinking Off Blinking The USB controller encountered a problem during initialization. Solid Blinking Blinking No memory modules are installed/detected. Blinking Solid Blinking The LCD encountered a problem during initialization. Off Blinking Blinking The modem is preventing the system from completing POST. Off Blinking Off Memory failed to initialize or memory is unsupported. Quick Tips content is self-published by the Dell Support Professionals who resolve issues daily. In order to achieve a speedy publication, Quick Tips may represent only partial solutions or work-arounds that are still in development or pending further proof of successfully resolving an issue.
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,
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and M70 to complete the POST (Power-on Self Test) process will result in dell laptop beep codes 7 an LED code sequence that utilizes the Num Lock, Cap Lock, and Scroll Lock. The LED codes represent specific points dell laptop beep codes inspiron n5110 during the 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 http://www.dell.com/support/article/us/en/19/SLN265807 be used to 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 http://www.dell.com/support/article/us/en/19/SLN88553/EN Be Necessary The Microcontroller is 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. Rep
Diagnose & Repair How It Works Laptop Repair Pricing DC Jack Repair Dell Refurbishing Part Installation Service Send In Your Dell Laptop Refurbished Laptops http://blog.parts-people.com/2014/07/02/dell-latitude-e6400-led-post-codes-diagnostic-indicators/ 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 a laptop or computer first powers on, it dell laptop 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 on the laptop or restart it if it is already on. Identify the dell laptop beep 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. Then the optical drive and test. Replace the failed component. Replace the motherboard / system board. Modem Fault Reseat the modem. Replace the modem. Replace