A Troubleshooting
Solving Common Problems
The following table lists possible problems, the possible cause of each problem, and the recommended solutions.
Problem | Possible Cause | Solution |
|
|
|
No image is displayed. | Power cord not connected. | Be sure the power cord is properly |
|
| connected to the outlet. |
|
| ● Verify that the outlet has power to |
|
| it. |
|
| ● Check that the fuse or breaker has |
|
| not tripped or burned out. |
|
| See if the power switch is turned on. |
|
| May need service. |
|
|
|
Power is on, power indicator is blue, but | Screen needs adjustments. | Adjust brightness and contrast again. |
the screen appears extremely dark. |
| Backlight may need repair. |
|
| |
|
|
|
Power indicator is amber. | Monitor in power saving mode. | Move the mouse or press any key on |
|
| the keyboard. |
|
| Turn off equipment and then back on. |
|
|
|
Out of Range message appears. | Input signal is out of frequency range. | The signal from the PC (video card) is |
|
| out of the vertical or horizontal |
|
| frequency range of the monitor. Adjust |
|
| the frequency range by referring to the |
|
| specifications in this manual (maximum |
|
| resolution: RGB - 1920 x 1080 @ 60Hz; |
|
| HDMI - 1920 x 1080 @ 60Hz). |
|
| NOTE: Vertical Frequency - to enable |
|
| the user to watch the monitor display, |
|
| screen image should be changed tens |
|
| of times every second like a fluorescent |
|
| lamp. The vertical frequency or refresh |
|
| rate is the times of image display per |
|
| second. The unit is measured in Hz. |
|
| Horizontal Frequency - the horizontal |
|
| interval is the time to display one |
|
| vertical line. When 1 is divided by the |
|
| horizontal interval, the number of |
|
| horizontal lines displayed every second |
|
| can be tabulated as the horizontal |
|
| frequency. The unit is measured in kHz. |
|
|
|
ENWW | Solving Common Problems 33 |
