Computer Monitor User Manual
Troubleshooting
AUTO button not working properly
● The Auto Function is designed for use on 
standard Macintosh or IBM-compatible 
PCs running Microsoft Windows. 
● It may not work properly if using 
nonstandard PC or video card.
Imaging Problems
Display position is incorrect
● Press the Auto button. 
● Adjust the image position using the 
Horizontal Position and/or Vertical 
Position in OSD Main Controls.
Image vibrates on the screen
● Check that the signal cable is properly 
connected to the graphics board or PC.
Vertical flicker appears
● Press the Auto button. 
● Eliminate the vertical bars using the 
Phase/Clock of More Settings in OSD 
Main Controls.
Horizontal flicker appears
● Press the Auto button. 
● Eliminate the vertical bars using the 
Phase/Clock of More Settings in OSD 
Main Controls.
The screen is too bright or too dark
● Adjust the contrast and brightness on 
OSD Main Controls. (The backlight of the 
LCD monitor has a fixed life span. When 
the screen becomes dark or begins to 
flicker,
 please contact your dealer).
An after-image appears
● If an image remains on the screen for an 
extended period of time, it may be 
imprinted in the screen and leave an after-
image. This usually disappears after a 
few hours
file:///D|/My%20Documents/dfu/190V6FB_V3/english/190v6/safety/saf_troub.htm (2 of 3)2005-12-22 7:03:21 PM










