116 | Troubleshooting
Problem What you
experience
Possible solutions
The USB device
cannot work
on 2
nd
monitor
(MST)
Platform connect
to dock with
USB-C cable.
Connect 1
st
monitor with DP
cable and a USB-A
to USB-C cable to
Docking.
Connect DP cable
from 1
st
monitor
(DP Out) to 2
nd
monitor (DP Port).
Connect USB
A-C cable from 1
st
monitor (USB-A)
to 2
nd
monitor
(USB-C).
The USB device
cannot work on 2
nd
monitor.
• Exceed USB hub topology
• Workaround:
Option 1: Without the dock, just direct
connect the computer and the two monitors.
Option 2: If a dock is needed, do not use the
USB hub of the 2
nd
monitor.
Notebook not
charging via
USB-C
Notebook ≥ 180W
not charging
when connected
to P2724DEB
monitor USB-C
port
• Connect the Notebook with Power adaptor
Notebook
cannot power
on
When the
Notebook battery
is at 0%, Notebook
cannot power on
when connecting
USB-C cable to
monitor
• Connect the Notebook with Power adaptor
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