Dell UZ2215H Dell Users Guide - Page 64

Universal Serial Bus (USB) Specific Problems

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The picture The picture does not fill the cannot fill the entire screen height or width of the screen • Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen. • Run the built-in diagnostics. Universal Serial Bus (USB) Specific Problems Specific Symptoms What You Experience Possible Solutions USB interface is USB peripherals not working 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 3.0 interface is slow High Speed USB 3.0 peripherals working slowly or not working at all • 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. • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Reboot the computer. Wireless USB Wireless USB peripherals peripherals stop working responding when a USB 3.0 slowly or only device is working as the plugged in distance between itself and its receiver decreases • 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. 64 | Troubleshooting

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Troubleshooting
Universal Serial Bus (USB) Specific Problems
The picture
does not fill the
entire screen
The picture
cannot fill the
height or width
of the screen
•
Due to different video formats (aspect ratio) of DVDs, the
monitor may display in full screen.
•
Run the built-in diagnostics.
Specific
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 3.0
interface is
slow
High Speed USB
3.0 peripherals
working slowly or
not working at all
•
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.
•
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
Wireless USB
peripherals
responding
slowly or only
working as the
distance between
itself and its
receiver
decreases
•
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.