Dell C2422HE User Manual page 111

Problem What you
experience
Monitor Monitor
buttons (Mute buttons (Mute
/ Volume down / Volume down
/ Volume up / / Volume up /
Hookswitch) Hookswitch)
not working not working
with Microsoft on Microsoft
Teams App Teams
®
Chrome OS /
Ubuntu
Video recording Video recording
not working App not working
with Win 7
Headset with Headset with
Mic (3.5mm Mic (3.5mm
combo jack) not combo jack) not
working with working with
monitor mute / monitor mute /
unmute button unmute button
when camera
module is pop in
(retracted)
When press When press
either Volume either Volume
down / Volume down / Volume
up or Mute up or Mute
button, LED not button, LED
blink not blink when
connected to
HDMI or DP only
Camera or Mic Camera or Mic
not working not working
when connected
to HDMI or DP
only
Possible solutions
Use Microsoft Teams
tasks:
• Call Icon to accept / hang up call
• Volume down / Volume up adjustment
• Mic mute / unmute
• Camera on / off
App with
®
• Windows 7 not support
• Switch to Windows 10
• Use UC App (e.g. Microsoft Teams, Skype
for Business, Zoom, etc.) Mic Icon to mute /
unmute
Connect USB A – B cable
Connect USB A – B cable
App to perform the below
®
Troubleshooting | 111