
Troubleshooting
UM17E User Manual, June 2010
25
Symptom
Causes
Solutions
No image on the
screen and control's
Power Indicator
light is lit orange
Video cable is not plugged in
correctly�
Check the video cable connection
at the monitor, PC, and/or KVM
extender�
PC is in Power Saving mode� Power Saving mode can usually
be exited by moving the mouse or
pressing a key on the keyboard�
PC is not powered on�
Ensure PC is powered on�
PC is not sending signal�
Connect the PC to another known
working monitor to check the PC
source signal�
"Out of Range"
message box and
no image on the
screen
The source signal exceeds
the maximum resolution
and/or refresh rate that the
monitor can handle
( > 1280 x 1024 resolution or
> 75 Hz refresh rate)�
Adjust the computer settings to the
monitor's native resolution:
1280 x 1024 @ 60 Hz
Incorrectly
displayed or partial
image on the screen
Monitor has not been
adjusted correctly for the
source signal�
• Activate the "Auto Image Adjust"
function in the OSD menu�
• Fine tune the picture by
manually adjusting the image� In
the OSD menu, these functions
can be found in the "Manual
Image Adjust" menu�