LG UltraFine 27MD5KL Service Manual page 17

[CIC Guide] About USB Unrecognized
Purpose
To guide customers how to use the USB device exactly (or USB HUB)
regarding not recognizing USB devices.
Contents and Guidance
[Guidance]
1. Symptom : Unrecognized problem when connecting a USB device (or USB HUB) to the Thunderbolt input port on the monitor.
2. Root-Cause : Problem caused by lack of understanding of connection ports
3. Guidance
1) Checking the symptom : If USB unrecognized problems occur, check the following.
a) Check which port the USB device (or USB HUB) is connected to.
2) Customer Guide : Port configuration can be divided into Host input port and USB expansion port,
the USB device (or USB HUB) must be connected to the USB expansion port for normal operation.
<24MD4KL>
Thunderbolt input port
USB expansion port
Applied model
24MD4KL/27MD5KL
<27MD5KL>
Thunderbolt input port
USB expansion port
24MD4KL/27MD5KL
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