Product Datasheet/Brochure

Table 3-2. Troubleshooting
Problem Possible cause Suggested action Reference
The power indicator is The video signal cable Be sure the video cable “Connecting and turning
amber, but there is no is loose or disconnected is connected with the on your monitor” on
image. from the system or system properly. page 1-4
monitor.
The monitor brightness Adjust the brightness “Adjusting your monitor
and contrast are at the and contrast setting on image” on page 2-3
lowest setting. the OSD menu.
One or more of This is a characteristic If there are more than “Appendix A. Service
the pixels appear of the LCD technology ve pixels missing, and Support” on page
discolored. and is not an LCD contact the Support A-1
defect. Center.
• Fuzzy lines in text or a • Image setup has not Adjust the resolution “Adjusting your monitor
blurry image. been optimized. settings on your system image” on page 2-3
• Horizontal or vertical • Your system Display
to match the native
lines through the Properties setting have
resolution for this
image. not been optimized.
monitor:
1920 x 1080
at 60 Hz.
Perform automatic “Selecting a supported
image setup. If display mode” on page
automatic image setup 2-7
does not help, perform
manual image setup.
When working in the See the Advanced
native resolution, you section of your system’s
may nd additional display properties.
improvements by
adjusting the Dots Per
Inch (DPI) setting on
your system.
Manual image setup
If automatic image setup does not establish the image that you prefer, perform manual image setup.
(For VGA [analog] only)
Note: Have your monitor powered on for about 15 minutes, until the monitor warms up.
1. Press
to open the OSD menu.
2. Use
or to select and press to access.
3. Use
or to select manual and press to access.
4. Use
or to select Clock and Phase adjustment.
• Clock (pixel frequency) adjusts the number of pixels scanned by one horizontal sweep.
If the frequency is not correct, the screen shows vertical stripes and the picture does not
have the correct width.
• Phase adjusts the phase of the pixel clock signal. With a wrong phase adjustment, the
picture has horizontal disturbances in light picture.
5. When the image no longer looks distorted, press Enter to save the adjustments of Clock and
Phase.
6. Press
to leave the OSD menu.
Chapter 3. 3-4