User's Manual

Troubleshooting | 65
Mobile High-Definition Link (MHL) Specific Problems
Microsoft
®
Lync
®
Specific Problems
Specific
Symptoms
What You
Experience
Possible Solutions
MHL interface
is not working
Can not see MHL
device image
shown on the
monitor
• Ensure your MHL cable and MHL device are MHL certified.
• Check your MHL device is turned On.
• Check your MHL device is not in Standby mode.
• Check physical MHL cable connection is corresponding to
input source selected on OSD Menu i.e., HDMI (MHL) 1 or
HDMI (MHL) 2.
• Wait for 30 seconds after connecting MHL cable as some
MHL devices require longer recovery time.
Specific
Symptoms
What You
Experience
Possible Solutions
The Hook
button is not
working
The Lync main
window doe not
display
• Ensure that the USB upstream cable is connected between
the monitor and the computer or notebook.
• Ensure that you have signed in to Lync.
Webcam is not
detected
Cannot see any
video shown on
the screen during
video calls
• Ensure that the USB upstream cable is connected between
the monitor and the computer or notebook.
• Reconnect the USB upstream cable to the computer or
notebook.
The Mute
button is not
working
After pressing the
Mute button, you
still are able to
hear the caller
during calls
• Ensure that the USB upstream cable is connected between
the monitor and the computer or notebook.
• Reconnect the USB upstream cable to the computer or
notebook.
No sound
coming from
the speakers
Cannot hear any
sound during
calls
• Ensure that you have set the default playback device as
"DELL UZ2x15H" on your system.
• Turn Off the monitor, unplug the monitor power cord,
replug it, and then turn On the monitor.
• Reset the monitor to Factory Settings.
Wireless mouse
is not working
or lagging
Do not respond
or responds
slowly
• Increase the distance between the USB 3.0 peripherals and
the wireless USB receiver.
• Position your wireless USB receiver as close as possible to
the wireless mouse.
• Use a USB-extender cable to position the wireless USB
receiver as far away as possible from the USB 3.0 port.