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Troubleshooting
26
UM17E User Manual, June 2010
Symptom
Causes
Solutions
Wrong or abnormal
colors (white is not
white)
Monitor color settings are
incorrectly adjusted�
Reset the monitor to the factory
default settings by activating the
"Memory Recall" function in the
OSD�
Video cable is not securely
connected�
If any colors (red, green, or blue) are
missing, check the video cable to
make sure it is securely connected�
Video cable is bad�
Check to make sure there are no
loose or broken pins in the cable
connector� Shorts in the cable could
also cause an improper image to
display�
Screen image is dim
Brightness and/or contrast
settings are not set properly�
Adjust the monitor's brightness
and contrast settings in the OSD's
"Contrast/Brightness" menu�
The message "OSD
Locked" appears on
the screen
The OSD has been locked
to prevent unauthorized
changes to display settings�
Press and hold [1] and the up [▲]
button for 10 seconds�
The message
"Power Button
Locked" appears on
the screen
The Power button has
been locked to prevent
unauthorized shut down of
the monitor�
Press and hold [1] and the down [▼]
button for 10 seconds�