HIS -ML19 H Series User Manual page 25

Symptom Causes
"Out of
The source signal exceeds
Range" the maximum resolution
message box
and/or refresh rate that the
and no image monitor can handle
on the screen ( > 1280 x 1024 resolution or
> 75 Hz refresh rate)�
"No Signal" Video cable is not plugged in
message box correctly�
and no image
PC is in Power Saving
on the screen
mode�
PC is not powered on�
PC is not sending signal.
Incorrectly Monitor has not been
displayed or adjusted correctly for the
partial image
source signal.
on the screen
Wrong or
Monitor color settings are
abnormal incorrectly adjusted.
colors (white
is not white)
Video cable is not securely
connected�
Video cable is bad�
The message
The OSD has been locked
"OSD Locked" to prevent unauthorized
appears
changes to display settings.
The message
The Power button has
"Power Button been locked to prevent
Locked" unauthorized shut down of
appears the monitor�
Solutions
Adjust the computer settings to the monitor's
native resolution:
1280 x 1024 @ 60 Hz
Check the video cable connection at the
monitor, PC, and/or KVM extender.
Power Saving mode can usually be exited
by moving the mouse or pressing a key on
the keyboard�
Ensure PC is powered on�
Connect the PC to another known working
monitor to check the PC source signal.
• Activate the "Auto Image Adjust"
function in the OSD menu� This function
may also be activated by pressing the
[2] button outside of the OSD menu.
• Fine tune the picture by manually
adjusting the image using the settings in
the OSD's "Manual Image Adjust" menu.
Reset the monitor to the factory default
settings by activating the "Memory Recall"
function in the OSD menu�
If any colors (red, green, or blue) are
missing, check the video cable to make sure
it is securely connected�
Ensure no loose or broken pins in the cable
connector� Shorts in cable could also cause
improper image to display.
Press and hold [1] and the up [▲] button for
10 seconds�
Press and hold [1] and the down [▼] button
for 10 seconds�
ML19H User Manual, 99154B, November 2022
Troubleshooting
25