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Repair and troubleshooting help for the HP Elitebook 840 G2, a 14" laptop computer from HP.

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Why Ethernet yellow led always on?

Ethernet port yellow light always on....

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Hi @sanatandebnath

A yellow light on the Ethernet port indicates that data is being sent/received between the laptop and the network that it is connected to.

If the green light is on, it means that the laptop is connected to the network but no data is being sent or received by the laptop.

If you're not doing anything online the computer may be doing things online in the background e.g. checking for updates etc.

It could also be that the laptop has a virus or malware is installed, so perhaps running a full anti virus, anti malware check would be worth considering

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The HP EliteBook 840 G2 product range all uses the Intel I218-LM ethernet controller. From Intel's product documentation it outputs the link status speed via the following:

  • 10 MiB = Blinking Green
  • 100 MiB = Solid Green
  • 1000 MiB = Solid Yellow/Amber

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