Specific
Symptoms
What You
Experience
Possible Solutions
Screen image is
too small
Image is
centered on
scre
en, but does
not fill entire
viewing area
• Check the Aspect Ratio setting in the Display menu OSD.
• R
eset the monitor to factory settings.
No Input Signal
w
hen user
controls are
pressed
No picture, the
LED li
ght is white
• Check the signal source. Ensure the computer is not in the
power saving mode by moving the mouse or pressing any
key on the keyboard.
• Check
whether the signal cable is plugged in properly. Re-
plug the signal cable if necessary.
• R
eset the computer or video player.
The picture
does not
fill the
entire screen
The picture
can
not fill the
height or width
of the screen
• D
ue to different video formats (aspect ratio) of DVDs, the
monitor may display in full screen.
• Run t
he built-in diagnostics.
Troubleshooting | 55
Product Specific Problems
Universal Serial Bus (USB) Specific Problems
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 up
stream cable to your computer.
• Reconnect the USB p
eripherals (downstream connector).
• S
witch Off and then turn On the monitor again.
• Re
boot the computer.
• S
ome USB devices like external portable HDD require higher
electric current; connect the device directly to the
computer system.
• Disc
onnect one upstream USB cable when using two
upstream connections.
USB Type-C
port
does not
supply power
USB peripherals
can not be
charged
• Check that the connected device is compliant with the
USB-C specification. The USB Type-C port supports USB 3.1
with speeds up to 10 Gbps and an output of 95 W.
• Chec
k that you use the USB Type-C cable shipped with
your monitor.