ViewSonic Corporation
54
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.
l
No image
u
Make sure power button is ON.
u
Check whether the LCD monitor and computer power cords are plugged and whether there is
a supply of power.
l
No Signal Input
u
Check the signal connection between the computer and LCD monitor.
l
“Out of Range”
u
Check the computer image output resolution and frequency and compare the value with the
preset values (Please refer to [Appendix-Display Mode]).
l
Fuzzy Image
u
Adjust Phase.
l
Image too bright
u
Adjust brightness and contrast by OSD.
l
Image too dark
u
Adjust brightness and contrast by OSD.
l
Irregular image
u
Check the signal connection between the computer and LCD monitor.
u
Perform Auto Adjust.
l
Distorted image
u
Reset the LCD monitor
u
Take off extra accessories (such as signal extension cord).
l
Image is not centered
u
Use OSD Image Menu to adjust H_Position and V_Position.
u
Check image size setting.
u
Perform Auto Adjust.
l
Size is not appropriate
u
Use OSD Image Menu to adjust H_Position and V_Position.
u
Check image size setting.
u
Perform Auto Adjust.
l
Uneven color
u
Use OSD Color Menu to adjust color setting.
l
Color too dark
u
Use OSD Color Menu to adjust color setting.
l
Dark area distorted
u
Use OSD Color Menu to adjust color setting.
l
White color is not white
u
Use OSD Color Menu to adjust color setting.
VG2021m-1
Confidential - Do Not Copy