User Manual

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