ViewSonic Corporation
Confidential - Do Not Copy
70
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.
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.
No Signal Input
Check the signal connection between the computer and LCD monitor.
“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]).
Fuzzy Image
Adjust Phase.
Image too bright
Adjust brightness and contrast by OSD.
Image too dark
Adjust brightness and contrast by OSD.
Irregular image
Check the signal connection between the computer and LCD monitor.
Perform Auto Adjust.
Distorted image
Reset the LCD monitor
Take off extra accessories (such as signal extension cord).
Image is not centered
Use OSD Image Menu to adjust H_Position and V_Position.
Check image size setting.
Perform Auto Adjust.
Size is not appropriate
Use OSD Image Menu to adjust H_Position and V_Position.
Check image size setting.
Perform Auto Adjust.
Uneven color
Use OSD Color Menu to adjust color setting.
Color too dark
Use OSD Color Menu to adjust color setting.
Dark area distorted
Use OSD Color Menu to adjust color setting.
White color is not white
Use OSD Color Menu to adjust color setting.
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