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Numéro d’article: 000125003

BIOS Event Logs and Diagnostic Logging on Dell Laptops

Résumé: This article provides information about the event logs stored in the BIOS on Dell Laptops.

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Instructions

Error Logs Stored in the BIOS

It began with some older Precisions, and the E-series of Latitude laptops. However, it continues today that the following information is logged within the BIOS.

  • The diagnostics both ePSA (extended Preboot System Assessment) and DOS-based can be logged in the BIOS.
  • Any BIOS thermal or power events can be logged in the BIOS.

The BIOS stores the logs for each category and moves the oldest in each category down.

Each log consists of a date and a timestamp, along with a description of the type of event. With the diagnostics, the event can also show the error code (Figure.1 and Figure.2).

NOTE: Most Dell computers allow you to enter the system setup or BIOS settings by pressing the F2 key at the Dell splash screen during start up. For more information about this topic, see the knowledge article: What is BIOS and How to Check and Update the System Setup or BIOS on Your Dell computer

Latitude e-Series Era BIOS Events

Figure.1: Example of the BIOS Event Logs from a Latitude E6510

Latitude xx40 Era BIOS Events

Figure.2: Example of the BIOS events logs from a Latitude 3340.

The logs come under the following categories:

  • BIOS Events
    • This field allows you to view and clear BIOS POST events. It includes the date and time of the event and the LED code.
  • DellDiag Events
    • This field allows you to view the diagnostic results from DellDiags and PSA. It includes the time and date, the diagnostic and version which was run and the resulting code.
  • Thermal Events
    • This field allows you to view and clear thermal events. It includes the date and time and the name of the event.
  • Power Events
    • This field allows you to view and clear power events. It includes the date and time of the event as well as the power state and reason.
NOTE: The BIOS log categories may vary depending on your computers model type and hardware.

These logs can be helpful in troubleshooting.

Especially when tracking down intermittent problems which can be the most difficult.

(For example: If the computer is randomly and intermittently shutting down, it might be due to a thermal event that is logged. It is easier to determine the cause from the time and type of thermal event to identify either a behavior, environment, or hardware failure.)

If you require further assistance, contact Dell Technical Support.

Informations supplémentaires

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Propriétés de l’article

Produit concerné

Latitude, Mobile Workstations

Dernière date de publication

03 janv. 2024

Version

6

Type d’article

How To

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