ViewSonic Corporation
Confidential - Do Not Copy
64
Trouble Shooting Analysis
Check the information in this section to see if the problems can be solved before requesting repair.
Note
:
The consumers are only allowed to solve the problems described as below. Any unauthorized
product modification, or failure to follow instructions supplied with the product will end the
warranty immediately.
z
No image
Make sure power button is ON.
Check whether the LCD monitor and computer power cords are plugged and whether there is a
supply of power.
z
No Signal Input
Check the signal connection between the computer and LCD monitor.
z
“Out of Range”
Check the computer image output resolution and frequency and compare the value with the preset
values (Please refer to [Appendix-Display Mode]).
z
Fuzzy Image
Adjust Phase.
z
Image too bright
Adjust brightness and contrast by OSD.
z
Image too dark
Adjust brightness and contrast by OSD.
z
Irregular image
Check the signal connection between the computer and LCD monitor.
Perform Auto Adjust.
z
Distorted image
Reset the LCD monitor
Take off extra accessories (such as signal extension cord).
z
Image is not centered
Use OSD Image Menu to adjust H_Position and V_Position.
Check image size setting.
Perform Auto Adjust.
z
Size is not appropriate
Use OSD Image Menu to adjust H_Position and V_Position.
Check image size setting.
Perform Auto Adjust.
z
Uneven color
Use OSD Color Menu to adjust color setting.
z
Color too dark
Use OSD Color Menu to adjust color setting.
z
Dark area distorted
Use OSD Color Menu to adjust color setting.
z
White color is not white
Use OSD Color Menu to adjust color setting.
VG2030m-1