Rugged Computers in Rugged Stealth Mode can Appear to be a No POST, No Power Issue

Summary: This article discusses how rugged stealth mode on Rugged computers can appear to be a no POST, no power issue.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

Affected Platforms:

  • All Rugged Computers

There might be cases that the user mistriggers the stealth mode by pressing the F9 key unknowingly. This turns off the display and all LEDs, which leads to the user contacting Dell to report no POST, no power, or no display.

Cause

The user presses the F9 key and enters OS Stealth Mode. This may be intentional or done by mistake, but they do not restore back to default mode. This causes the display and all LEDs to be turned off.

Resolution

Have user press the F9 key to verify if the computer is in Rugged Stealth Mode.

Affected Products

Latitude 7214 Rugged Extreme, Latitude 7330 Rugged Extreme, Latitude 5414 Rugged, Latitude 5420 Rugged, Latitude 5424 Rugged, Latitude 5430 Rugged, Latitude 7414 Rugged, Latitude 7424 Rugged Extreme, Latitude 5404 Rugged, Latitude 7204 Rugged , Latitude 7404 Rugged ...
Article Properties
Article Number: 000216889
Article Type: Solution
Last Modified: 03 Apr 2025
Version:  5
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