Intermittent I219-LM Ethernet Connection Failures
Summary: This article provides more information about Dell laptops intermittently dropping network connections with the Intel I219-LM ethernet controller.
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Symptoms
Affected Platforms:
- Dell Pro Max 14 MC14250
- Dell Pro Max 16 MC16250
- Dell Pro 16 Plus PB16250
- Latitude 5550
- Precision 3590
- Precision 3591
Cause
This is due to a timing issue in how the computer manages the wired Ethernet connection when exiting a low‑power state.
Resolution
Dell engineering has released Intel PCIe Ethernet Controller v20.0.3.24 on April 14, 2026, that resolves the issue. To download and install the driver, reference How to Update Drivers on My Dell Computer.
Affected Products
Dell Pro Max 14 MC14250, Dell Pro Max 16 MC16250, Dell Pro 16 Plus PB16250, Latitude 5550, Precision 3590, Mobile Precision 3591Article Properties
Article Number: 000458392
Article Type: Solution
Last Modified: 02 Jul 2026
Version: 6
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