Dell UltraSharp 32" 6K HDR Video Conferencing Monitor - Manual (Page 59)

Setting up the monitor | 59
Make sure to set Thunderbolt TM 4 to On in Off Mode. While the PC and two monitors
are in an initially OFF power state, by pressing the power button on Monitor 1 or
Monitor 2 will turn ON the PC, Monitor1, and Monitor 2.
System power state (OFF)
Monitor 1
Monitor 2
port1
Thunderbolt TM 4
port2
Thunderbolt TM 4
Thunderbolt TM 4
upstream
Thunderbolt TM 4
upstream
Pressing power button on Monitor 1 or 2
Monitor 1
System power state (ON)
Monitor 2
port1
port2
Thunderbolt TM 4
Thunderbolt TM 4
Thunderbolt TM 4
upstream
Thunderbolt TM 4
upstream