Dell C7016H User Guide - Page 54

Universal Serial Bus USB Specific Problems

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Universal Serial Bus (USB) Specific Problems Common Symptoms What You Experience USB interface is not USB peripherals are working not working Possible Solutions • 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. High Speed USB 2.0 interface is slow. • Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer system. High Speed USB 2.0 • Check that your computer is peripherals working USB 2.0-capable. slowly or not working • Some computers have both at all 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 54 Troubleshooting

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54
Troubleshooting
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.
High Speed USB 2.0
interface is slow.
High Speed USB 2.0
peripherals working
slowly or not working
at all
•
Check that your computer is
USB 2.0-capable.
•
Some computers have both
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