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Select Latitude or Precision Laptops May Show Blinking Flash Code When Accessing BIOS Recovery

Summary: Select Dell Latitude and Precision laptops may show power LED blinking in a pattern when accessing BIOS Recovery

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Article Content


Symptoms

Symptom

When you are trying to access BIOS Recovery mode during startup using Ctrl + Esc key combination, you may notice the power LED blinking in 3 amber and 3 white pattern. You may also see a warning message "BIOS Recovery triggered" and/or "Alert! BIOS recovery file not found" in the BIOS log events. The issue is observed only on Intel vPro supported system with an NVMe SSD attached to the system. It occurs only when the BIOS option Secure Boot is enabled.

Impacted Systems

Latitude 7400 2-in-1
Latitude 7200 2-in-1
Latitude 5400
Latitude 5500
Latitude 7300
Latitude 7400
Precision M7740
Precision M7540
Precision M3540

Resolution

Solution Steps

Updating your system to the latest BIOS version will help resolve the issue. To download and install the latest BIOS:

Warning: It is recommended that you disconnect external peripherals like external hard disk drives, printers, scanners before updating the BIOS on your Dell PC.
 
Warning: Dell laptop PCs must have the battery installed and charged to at least 10% before you begin the BIOS update. Dell recommends running the laptop PC on AC power before proceeding with the update process.
 
SLN316793_en_US__1icon Note: To learn more about updating the BIOS on your PC, refer to the Dell knowledge-base article Dell BIOS Updates 
  1. Browse to the Dell Support Site
  2. Enter the Service Tag or Express Service Code and click Search
    Alternatively you can choose the model number from the product list to get a general list of drivers for that system
  3. On the left, click on the Drivers and Downloads tab
  4. Ensure you have selected the correct Operating System
  5. Under Category, select BIOS
  6. Locate the latest System BIOS
  7. Click Download and save the file to your PC
  8. Open File Explorer and browse to the location where the downloaded file is saved
  9. Double-click the BIOS setup file and follow the on-screen instructions to complete the installation process

Article Properties


Affected Product

Latitude 7200 2-in-1, Latitude 7300, Latitude 5400, Latitude 7400 2-in-1, Latitude 7400, Latitude 5500, Precision 3540

Last Published Date

21 Feb 2021

Version

4

Article Type

Solution