Dell U3818DW UltraSharp Monitor Users Guide - Page 63

Product Specific Problems, Universal Serial Bus (USB) Specific Problems, Specific, Symptoms, What

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Product Specific Problems Specific Symptoms What You Experience Screen image is Image is too small centered on screen, but does not fill entire viewing area Cannot adjust the monitor with the buttons on the front panel OSD does not appear on the screen No Input Signal No picture, the when user LED light is white controls are pressed The picture The picture does not fill the cannot fill the entire screen height or width of the screen Possible Solutions • Check the Aspect Ratio setting in the Display menu OSD. • Reset the monitor to factory settings. • Turn Off the monitor, unplug the power cord, plug it back, and then turn On the monitor. • Check whether the OSD menu is locked. If yes, press and hold the Menu/function button next to the Power button for 4 seconds to unlock (for more information, see Lock). • 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. Replug the signal cable if necessary. • Reset the computer or video player. • 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 USB interface is USB peripherals not working are not working USB Type-C port does not supply power USB peripherals can not be charged 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. • Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer system. • Disconnect one upstream USB cable when using two upstream connections. • 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. • Check that you use the USB Type-C cable shipped with your monitor. Troubleshooting | 63

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Troubleshooting
|
63
Product Specific Problems
Specific
Symptoms
What You
Experience
Possible Solutions
Screen image is
too small
Image is
centered on
screen, but does
not fill entire
viewing area
•
Check the
Aspect Ratio
setting in the
Display
menu OSD.
•
Reset the monitor to factory settings.
Cannot adjust
the monitor
with the
buttons on the
front panel
OSD does not
appear on the
screen
•
Turn Off the monitor, unplug the power cord, plug it back,
and then turn On the monitor.
•
Check whether the OSD menu is locked. If yes, press and
hold the Menu/function button next to the Power button
for 4 seconds to unlock (for more information, see
Lock
).
No Input Signal
when user
controls are
pressed
No picture, the
LED light 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.
•
Reset the computer or video player.
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.
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 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.
•
Disconnect 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.
•
Check that you use the USB Type-C cable shipped with
your monitor.