VarTech Systems VT150CHB User Manual - page 13
13
VT150 High Bright User Guide 150-085
Problem
Troubleshooting Tip
Power indicator does not light
up
1) Verify that the power cord is plugged in firmly
2) Check that the power switch is turned on
3) If the AC outlet is OK. Please check using another
piece of equipment
Power indicator is green
1) Use keyboard or mouse to activate a blank screen
saver
2) Verify the computer is on
3) Check to see that the signal cable is properly
connected at both ends
4) Check to see if the signal timing of the computer is
within the spec of the monitor
Power indicator is amber
1) If the power management mode is on, use keyboard
or mouse to activate
2) Verify the computer is on
3) Check to see that the signal cable is properly
connected at both ends
4) Check to see if the signal timing of the computer is
within the spec of the monitor
Display is too dark or too bright
Check to see if the video output level is within the spec;
assuming the CONTRAST and BRIGHTNESS controls
have no effect
Display is not in the center
Check to see if the signal timing of the computer is
within the spec; some graphics cards have their own
positioning controls
Display is shaking
Verify that the power voltage and the signal timing of the
computer are within the spec
Display is not synchronized
1) Check to see if the signal timing of the computer is
within the spec or if there is a graphics card failure
2) Check to see if the video output level is within the
spec
Troubleshooting
6
Section
13
VT150 High Bright User Guide 150-085
If the LCD Touch Monitor fails to function correctly, please follow these steps for a possible
solution.
1. Perform the adjustments according to
Operating the Monitor
section.
2. Refer to the following troubleshooting chart if you cannot resolve the problem from other
sections of this Users Guide.
3. If the problem is not described below or you cannot correct the problem, stop using the
monitor and contact your dealer or the nearest service center for further assistance.