Dell U2422HE Users Guide - Page 93

Universal Serial Bus (USB) Specific Problems, Common, Symptoms, What You, Experience

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Universal Serial Bus (USB) Specific Problems Common Symptoms USB interface is not working USB-C port does not supply power (U2422HE onl y) Super speed USB 10 Gbps (USB 3.2 Gen2) interface is slow What You Experience Possible Solutions USB peripherals are 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. USB peripherals • Check that the connected device is can not be charged compliant with the USB-C specification. The USB-C port supports USB 3.2 Gen2 and an output of 90 W. • Check that you use the USB-C cable shipped with your monitor. Super speed USB 10 Gbps (USB 3.2 Gen2) peripherals working slowly or not working at all • Check that your computer is super speed USB 10 Gbps (USB 3.2 Gen2)capable. • Some computers have USB 3.2, USB 2.0 and USB 1.1 ports. Ensure that the correct USB port is used. • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Reboot the computer. Troubleshooting │ 93

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Troubleshooting± ±
│
± ± 93
Universal Serial Bus (USB) Specific Problems
Common
Symptoms
What You
Experience
Possible Solutions
USB interface is
not working
USB peripherals
are 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.
USB-C port
does not supply
power (U2422HE
only)
USB peripherals
can not be charged
•
Check that the connected device is
compliant with the USB-C
specification. The USB-C port
supports USB 3.2 Gen2 and an output
of 90 W.
•
Check that you use the USB-C cable
shipped with your monitor.
Super speed USB
10 Gbps (USB 3.2
Gen2) interface is
slow
Super speed USB
10 Gbps (USB 3.2
Gen2) peripherals
working slowly or
not working at all
•
Check that your computer is super
speed USB 10 Gbps (USB 3.2 Gen2)-
capable.
•
Some computers have USB 3.2, USB
2.0 and USB 1.1 ports. Ensure that the
correct USB port is used.
•
Reconnect the upstream cable to your
computer.
•
Reconnect the USB peripherals
(downstream connector).
•
Reboot the computer.