Dell G2422HS User Manual page 40

Input Source
DP
HDMI 1
HDMI 2
Auto Select
Reset Input
Source
│
40 Operating the monitor
Selects between the different video signals that may
be connected to your monitor.
Select the DP input when you are using the
DisplayPort (DP) connector. Press the joystick
button to confirm the selection.
Select the HDMI 1 or HDMI 2 input when you are
using the HDMI connector. Press the joystick button
to confirm the selection.
Automatically scans for available input sources. Press
the joystick button to confirm the selection.
Resets all settings under the Input Source menu to
the factory defaults.