TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the trouble- shooting list below to see if you can
(VGA Mode)
Problems | Current Status | Remedy | ||
|
|
| ||
| LED ON | · Using OSD, adjust brightness and contrast | ||
|
|
| to maximum or reset to their default | |
|
|
| settings. | |
|
|
|
| |
| LED OFF | · | Check the power switch. | |
|
|
| ||
No Picture |
| · Check if AC power cord is properly | ||
|
| connected to the monitor. | ||
|
|
| ||
|
|
| ||
| LED displays | · Check if video signal cable is properly | ||
| amber color |
| connected at the back of monitor. | |
|
|
| ||
|
| · Check if the power of computer system is | ||
|
|
| ON. | |
|
|
| ||
| Unstable | · Check if the specification of graphics | ||
| Picture |
| adapter and monitor is in compliance | |
|
|
| which may be causing the input signal | |
|
|
| frequency mismatch. | |
|
|
|
| |
| Display is | · | Using OSD, adjust RESOLUTION, CLOCK, | |
| missing, center |
| ||
Abnormal | shift, or too |
| POSITION with | |
small or too |
|
| ||
Picture | · | Using OSD, in case of missing | ||
large in display | ||||
| ||||
|
| image, please select other resolution or | ||
| size |
| ||
|
| other vertical refresh timing. | ||
|
|
| ||
|
|
| ||
|
| · Wait for a few seconds after adjusting the | ||
|
|
| size of the image before changing or | |
|
|
| disconnecting the signal cable or powering | |
|
|
| OFF the monitor. | |
|
|
| ||
Abnormal | No sound, or | · Check the audio cable with the host PC is | ||
Sound | sound level is |
| connected. | |
(Only Audio- | too low |
|
| |
· Check if the volume setup of the host PC is | ||||
Input model) |
| |||
(Optional) |
|
| in minimum position and try to raise the | |
|
|
| volume level. | |
|
|
|
| |