Computer Monitor Troubleshooting Tips

Here are some basic trouble shooting tips for computer monitors:
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.