Lenovo ThinkCentre Tiny-In-One 22 Gen 4 21.5" 16:9 Video Conferencing FHD IPS Monitor - Manual (Page 32)

Chapter 2.
2-13
Take the steps outlined below to wake up the system and display when the latter is in standby
mode:
AIO mode
Tiny PC running and display off: move your mouse or tap the screen to wake up your PC.
2. Tiny PC in standby mode and display off: click the mouse, tap the screen, press the power
button on the front of the monitor, or press the power button on the Tiny PC to wake up
your PC.
Tiny PC in sleep mode and display off: press the power button on the front of the monitor,
or press the power button on the Tiny PC to wake up your PC.
DP mode
1. PC running and display off: move your mouse or tap the screen to wake up your PC.
2. PC in standby mode and display off: click the mouse, tap the screen, or press the power
button on the Tiny PC to wake up your PC.
3. PC in sleep mode and display off: press the power button on the Tiny PC to wake up your
PC.
Note: Turn on the wake on touch function, the power consumption will increase in sleep mode.
See "Using the Wake on touch Function"on page 2-10 to turn on the wake on touch function