Dell U3821DW 37.5" 21:9 Curved IPS Monitor (Silver) - Manual (Page 80)

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Troubleshooting
Speakers Specific Problems
Wireless USB
peripherals stop
working when a
USB 3.2 device is
plugged in Wireless USB
peripherals
responding slowly
or only working as
the distance
between itself and
its receiver
decreases • Increase the distance between the
USB 3.2 peripherals and the wireless
USB receiver.
• Position your wireless USB receiver as
close as possible to the wireless USB
peripherals.
• Use a USB-extender cable to position
the wireless USB receiver as far away
as possible from the USB 3.2 port.
Common
symptoms
What you
experience
Possible solutions
No sound coming
from the external
speakers Cannot hear any
sound • Turn Off the monitor, unplug the
monitor power cord, replug it, and then
turn On the monitor.
• Ensure the audio cable is connected
correctly between the Audio Line Out
port and the external speaker.
• Disconnect/reconnect the audio cable
from the Audio Line Out port and the
external speaker.
• Reset the monitor to factory settings.