Users Guide

Troubleshooting | 69
Universal serial bus (USB) specific problems
Specific
Symptoms
Possible Solutions
USB interface is not
working
∞
Check that your monitor is turned On.
∞
Reconnect the upstream cable to your computer.
∞
Reconnect the USB peripherals (downstream connector).
∞
Switch Off and then turn On the monitor again.
∞
Reboot the computer.
∞
Some USB devices like external portable HDD require higher electric
current; connect the device directly to the computer system.
Supre Speed USB 3.0
interface is slow
∞
Check that your computer is USB 3.0-capable..
∞
Some computers have USB 3.0, USB 2.0, and USB 1.1 ports. Ensure
that the correct USB port is used.
∞
Ensure that the correct USB port is used.
∞
Reconnect the upstream cable to your computer.
∞
Reconnect the USB peripherals (downstream connector).
∞
Reboot the computer.
Wireless USB
peripherals stop
working when a USB
3.0 device is plugged
in
∞
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 USB peripherals.
∞
Use a USB-extender cable to position the wireless USB receiver as far
away as possible from the USB 3.0 port.
Microsoft® Skype for Business® Specific Problems
Specific
Symptoms
Possible Solutions
The Hook
button is not working
∞
Ensure that the USB upstream cable is connected between the
monitor and the computer or notebook.
∞
Ensure that you have signed in to Skype for Business.
Webcam is not
detected
∞
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
∞
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
∞
Ensure that you have set the default playback device as "DELL
P2418HZ" 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.