Latitude 3120 Wireless Keeps Disconnecting
Summary: This article provides information about the WiFi connectivity issues on Latitude 3120.
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This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
Latitude 3120 may experience intermittent wireless connection after disconnecting after removing the laptop from AC power. Some customers have reported a yellow bang (exclamation mark) in Windows Device Manager after this issue occurs.
Affected Platforms:
- Latitude 3120
Cause
No cause information is available.
Resolution
Updating to BIOS version 1.19.0 or later on the computer resolves the issue. To download and install the BIOS, reference BIOS Update Guide.
Affected Products
Latitude 3120Article Properties
Article Number: 000202383
Article Type: Solution
Last Modified: 15 May 2026
Version: 11
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