Dell S2722DZ - Page 77

Troubleshooting | 77
Problem What you
experience
Possible solutions
Microphone not
working or not
detected
Microphone not
working or not
detected
•Ensure that the USB-C upstream cable is
connected between the monitor and the
computer or notebook.
•Select “Echo Cancelling Speakerphone
(S2422HZ or S2722DZ) from Windows sound
settings. Ensure that the monitor’s microphone
is selected and enabled or unmuted on the
setting in VoIP or UC application.
MAC MINI issue MAC MINI issue •The USB hub of the DUT cannot be detected
by specic systems (Apple M1) when
connecting DUT to the system through USB-C
cable and then restarting the system.
•Unplug or plug USB-C cable can recover.
Webcam is not
detected
Webcam is not
detected in the
Windows Device
Manager
•Ensurethatthewebcammoduleispoppedup.
•EnsurethattheUSB-Cupstreamcableis
connected between the monitor and the
computer or notebook.
•ReconnecttheUSB-Cupstreamcabletothe
computer or laptop.
Webcam cannot
connect or be
disconnected
Cannot find
camera in
monitor or
cannot change
back to the
computer
camera
•Restorefactorysettings.Connectthepower
cord again.
•Turnonthecameraagain.
Webcam blurry
image
Webcam blurry
image
Remove protection lm on the camera lens.
Webcam image
flicker
Webcam image
flicker
Switch Flicker reduction rate from 60 Hz to 50
Hz in app.
Webcam poor
resolution
Webcam poor
resolution
Set image resolution in app.Max: 5MP (2560 x
1920)
Webcam image
looks over-
exposed
Webcam image
looks over-
exposed
•Turnonthecameraagain.Adjustthe
background environment.
•Increase ambient light > 20lux