What is the LED Diagnostic tool for the HP ProBook 440 G8 Notebook PC?
The LED Diagnostic tool is an interactive viewer that allows users to identify and understand the diagnostic behavior of the laptop's external LEDs. Users can click on different external views (Top View, Right Edge, Display View, Left Edge) and hover over information icons to learn more about each LED's diagnostic state. (Page 1)
From the official HP Probook 440 G8 Notebook PC manual, page 1
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