Table 3-2. Troubleshooting (continued)

Manual image setup

If automatic image setup does not establish the image that you prefer, perform

manual image setup.

Note: Have your monitor powered on for about 15 minutes, until the monitor warms

up.

1. Press at the bottom of the monitor to open the OSD menu.

2. Use or to select and press to access.

Problem Poss ible cause Sug g e sted actio n Re ference
Screen is
blank and
power
indica tor is
steady amber
or flashing
green
The mo n it o r is in
Standby/Suspend
mode
Press a ny k e y on t he
keyboard or move the mouse
to restore operation.
Check the Power Options
settings on your computer.
"Understanding power
management" on P a ge
2-7
The power
indica tor is
green, but
there is no
image.
The video s ignal c a b le
is loos e or
disconnected from the
system or monitor.
Be sure the video cable is
connected with the system
properly.
"Connect ing and t urning
on your monito r " o n
Page 1-4
The monitor b r ightnes s
and contrast are at the
lowest setting.
Adjust the brightness and
contra s t s e t t ing on t he O SD
menu.
"Adjusting your mo nito r
image" on page 2-3
One or more
of the pixels
appear
discolored
This is a charac teristi c
of the LC D t e c hnology
and is not an LCD
defect.
If there are more than five pixels
missing, contact the IBM
Support Center.
Appendix A, "Service
and Support," on page
A-1
Fuzzy lines
in text or a
blurry
image.
Horizontal
or vertical
lines
through the
image.
Image setup has not
been optimized
You r sy s tem
Display Properties
setting have no t
been optimized.
Adjust the resolution settings on
your syst em to ma tc h t he na t ive
resolution for this monitor: 1024
x 768 at 60 Hz.
"Adjusting your mo nito r
image" on page 2-3
"Manua l image set up"
Perform automatic image setup.
If automatic image setup does
not help, p e rfo r m manual image
setup.
"Selecting a supported
display mode" on page
2-6
When wor k ing in the na tive
resolutio n, yo u may find
additional improvements by
adjusting the Dots Per Inch
(DPI) setting on your system.
See the Advanced
section of your systems
display properties.
·
·
·
·
·
·
3-4 L2440p Wide Flat Panel Monitor User’s Guide
1920
x1200
Lenovo