DELL C2722DE - Инструкция по эксплуатации - Страница 110

110

        |       Troubleshooting

Common 
Symptoms

What you 
experience

Possible solutions

Mic/Webcam 
does not work 

• Webcam module 

not pop up

• USB cable 

not plug in or 
not select the 
correct USB 
source

• Not set the 

monitor Mic/ 
webcam as the 
default device

• Pop up the webcam module.
• Plug in the USB Cable (Type-A to Type-B or 

Type-C to Type-C), and if you connect both 
USB-B port and USB-C port, please switch 
the USB source in the OSD menu.

• Select the monitor Mic/webcam as the 

default in the PC side.

Product specific problems

Problem

What you 
experience

Possible solutions

Screen image is 
too small

Image is 
centered on 
screen, but does 
not fill entire 
viewing area

• Check the Aspect Ratio setting in the Display 

menu OSD.

• Reset the monitor to factory settings.

Cannot adjust 
the monitor 
with the 
joystick control 
on the rear of 
the monitor

OSD does not 
appear on the 
screen

• Turn off the monitor, unplug the monitor 

power cable, plug it back, and then turn on the 
monitor.

No Input Signal 
when user 
controls are 
pressed

No picture, the 
LED light is white

• Check the signal source. Ensure the computer 

is not in the power saving mode by moving the 
mouse or pressing any key on the keyboard.

• Check whether the signal cable is plugged 

in properly. Connect the signal cable again, if 
necessary.

• Reset the computer or video player.