User's Manual

TROUBLESHOOTING

◆ No power

• Flip the power switch ON. The Power LED turns on.

• Make sure AC power cord is securely connected to a power outlet.

◆ Power on but no screen image.

• Make sure the video cable attached with this monitor is tightly

secured to the video output port on the back of the computer.

• Adjust the brightness and contrast.

◆ Image is unstable, unfocused.

• Use “AUTO-TUNE” to adjust automatically.

• If the image is still unstable after “AUTO-TUNE” processing,

please adjust “PHASE”manually to get image focused.

• Check whether the resolution or refresh rate in windows display setting

is beyond supported range(please refer to the specification

of supported mode).

◆Flickering

• Not enough power is being supplied to the LCD Monitor.

Connect the LCD Monitor to a different outlet. If a surge

protector is being used, there may be too many devices plugged in.

• See Timing Guide in this manual with a list of refresh rates and

frequency settings showing the recommended setting for the LCD

Monitor

◆ Wrong or abnormal colors.

• If any colors(Red, Green, or Blue) are missing, check the video

cable to make sure it is securely connected. Loose pins in the

cable connector could cause a bad connection.

REFERENCE