Dell U3425WE - Using DPBS Function

54  │  Setting up the monitor
Using DPBS function
Waking on the Thunderbolt™ 4 cable
When you connect the Thunderbolt™ 4 passive cable, the Monitor/PC state is as
follows:
*Upon Thunderbolt™ 4 cable connection,
mouse movement or keyboard press might
be required to wake the system/monitor up
from sleep or hibernate.
*Not all Dell PC systems support to wake
up the platform through the monitor.
When you press the power button on the monitor or the PC, the Monitor/PC state
is as follows: