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Table3-2.Troubleshooting(continued)
Problem
Possible cause
Suggested action
Reference
Screen is blank and
The monitor is in
●
Press any key on the
“Understanding power
power indicator is
Standby/Suspend
keyboard or move the
management” on page
steady amber or
mode
mouse to restore
2-11
flashing white
operation.
●
Check the Power options
settings on your computer.
The power indicator The video signal cable Be sure the video cable is
“Connecting and turning
is white, but there is is loose or
connected with the system
on your monitor
no image.
disconnected from the
system or monitor.
properly.
” on
page 1-4
The power indicator The monitor
Adjust the brightness and
“Adjusting your monitor
is white, but there is brightness and
contrast setting on the OSD image” on page 2-6
no image.
contrast are at the
lowest setting.
menu.
One or more of the
This is a characteristic If there are more than five
Appendix A, “Service
pixels appear
of the LCD
pixels missing, contact the
and Support” on page
discoloured
technology and is not
an LCD defect.
Customer Support Centre.
A-1
●
Fuzzy lines in text
●
Your system Display Adjust the resolution settings “Adjusting your monitor
or a blurry image.
Properties setting
on your system to match the image” on page 2-6
●
Horizontal or
vertical lines
have not been
optimized.
native resolution for this
monitor:
through the image.
2560 x 1440 at 60 Hz.
●
Fuzzy lines in text
●
Your system Display When working in the native See the Advanced section
or a blurry image.
Properties setting
resolution, you may find
of your system’s display
●
Horizontal or
vertical lines
have not been
optimized.
additional improvements by
adjusting the Dots Per Inch
properties.
through the image.
(DPI) setting on your system.
3-4 P27h-20 Flat Panel Monitor User’s Guide