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6. Trouble Shooting Instructions
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.
NOTE: When choosing HDMI/DisplayPort mode, the Auto Adjust
function will not be available.
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.
Super Speed USB
3.0 interface is
slow
Super 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.