Dell D2719HGF, Руководство пользователя, Страница: 26 / 27

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Troubleshooting
Image retention
from a static
image left on the
monitor for a long
period of time Faint shadow
from the static
image displayed
appears on the
screen • Use the Power Management feature
to turn off the monitor at all times
when not in use (for more information,
see
Power management modes ).
• Alternatively, use a dynamically
changing screensaver.
Screen image is
too small Image is centered
on screen, but
does not fill entire
viewing area • Check the Video Mode Adjust
setting in the Image Adjust menu
OSD.
• Reset the monitor to factory settings.
No Input Signal
when user
controls are
pressed No picture, the
LED light is blue • 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.
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.