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Table3-2.Troubleshooting(continued)
Problem Possible cause Suggested action Reference
Screen is blank The monitor is in Press any key on the “Understanding power
and power Standby/Suspend keyboard or move the management” on page
indicator is mode mouse to restore 2-7
steady amber or operation.
flashing green
Check the Power
options settings on
your computer.
The power The video signal Be sure the video cable is “Connecting and turning
indicator is cable is loose or connected with the on your monitor
green, but there disconnected from system properly. ” on
is no image. the system or
monitor.
page 1-5
The power
The monitor
Ad
j
ust the bri
g
htness and
“Adjusting your monitor
indicator is
brightness and contrast setting on the image” on page 2-3
green, but there
contrast are at the OSD menu.
is no image.
lowest setting.
One or more of This is a If there are more than Appendix A, “Service
the pixels appear characteristic of the five pixels missing, and Support” on page
discoloured LCD technology
and is not an LCD
defect.
contact the Customer
Support Centre.
A-2
Fuzzy lines in Image setup has Adjust the resolution “Adjusting your monitor
text or a not been settings on your system image” on page 2-3
blurry image. optimized to match the native
Horizontal or
Your system
resolution for this
vertical lines
Display
monitor:
through the
Properties setting
1920 x 1080 at 60 Hz.
image.
have not been
optimized.
Fuzzy lines in Image setup has Perform automatic image “Selecting a supported
text or a not been setup. If automatic image display mode” on page
blurry image. optimized setup does not help, 2-6
Horizontal or
Your system
perform manual image
vertical lines
Display
setup.
through the
Properties setting
image.
have not been
optimized.
Fuzzy lines in Image setup has When working in the See the Advanced section
text or a not been native resolution, you of your system’s display
blurry image. optimized may find additional properties.
Horizontal or
Your system
improvements by
vertical lines
Display
adjusting the Dots Per
through the
Properties setting
Inch (DPI) setting on
image.
have not been
optimized.
your system.
The image is not It has not set the Use ThinkVision Duo “Using the direct access
acceptable when optimum resolution software to optimize controls” on page 2-3
switching to for each mode the dual screen
dual mode operation
Adjust graphic card
resolution manually
Manual image setup
If automatic image setup does not establish the image that you prefer, perform
manual image setup.
3-3 T2224zD Flat Panel Monitor User’s Guide
24


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