Troubleshooting Tips - VarTech Systems ColorVue VT190PC User Manual

Section
6
Problem
No image on display screen
Abnormal image
Colors of image on screen
are abnormal
Disturbances on Screen
VT190 ColorVue User Guide
Troubleshooting
Troubleshooting Tip
1) Check that the power cord of the Computer has
been connected securely into wall outlet or
grounded extension cable or strip.
2) Check that the power switch of the Display has
been pressed and the LED on the front of the
Display is lit.
3) Check that the Video (Signal) Cable from the
Display has been securely and correctly
connected.
4) Check that the Video Card is firmly seated in
card slot of Computer motherboard.
5) Check that the Video Input from the Video Card
falls within the timing range of the Display.
(see Display Timing - Section 4)
1) Check that the Video Input from the Video Card
falls within the timing range of the Display.
(see Display Timing - Section 4)
2) Check that the Video (Signal) Cable from the
Display has been securely and correctly
connected to the Video Connector at the rear
side of the Computer.
1) Check that the Video (Signal) Cable from the
Display has been securely and correctly con-
nected to the 15Pin Video Connector at the rear
of the computer.
1) OSD adjustment is incorrect.
(See OSD screen adjustment procedures
Section 3)
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