Troubleshooting Tips for Monitors

Problems and Solutions


The picture does not appear
Check to make sure the signal cable is firmly connected in the socket.
Check to see if the computer system's power is ON.
Check that the Brightness Control is at the appropriate position, not at the minimum.


The Screen is not synchronized
Check to make sure the signal cable is firmly connected in the socket.
Check that the output level matches the input level of your computer.
Make sure the signal timing of the computer system is within the specification of the monitor.


The position of the screen is not in the center
Adjust the H-Size, H-Phase or V-Size, V-Center controls.
Check if the signal timing of the computer system is within the specification of the monitor.


The screen is too bright or too dark
Check if the Brightness or contrast control is at the appropriate position, not at the maximum or minimum.
Check if the specified voltage is applied
Check if the signal timing of the computer system is within the specification of the monitor.
Especially, check the horizontal frequency.


The screen is shaking
Move all objects that emit a magnetic field, such as a motor or transformer, away from the monitor.
Check if the specified voltage is applied.
Check if the signal timing of the computer system is within the specification of the monitor.