User's Manual

REFERENCEREFERENCE

TROUBLESHOOTING

v No power.

(

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

(

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

v 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.

v 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).

v 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.

v 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.