Troubleshooting |
47
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 monitor power cable,
plug it back, and then turn on the monitor.
• Check whether the OSD menu is locked. If yes, press
and hold the button beside the power button for 6
seconds to unlock (for more information, see
).
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
thecomputer system.
High Speed USB
2.0 interface is
slow.
High Speed USB
2.0 peripherals
working slowly or
not working at all
• Check that your computer is USB 2.0-capable.
• Some computers have both 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.