Lenovo T54H User Manual
Page 23
24
Screen is blank
and power
indicator is
Flashing green
every 0.5
second
The monitor is
not receiving
a video signal
Check that the signal
cable is firmly connected to
the computer.
Check that no pins are
bent in the signal cable
connector.
Connecting
your Monitor
section on
page 5
Display mode
of the
computer is
outside the
range of the
monitor
Reconfigure the
computer to use a
supported display mode.
Further
Information
section on
page 21
Screen is blank
and power
indicator is
flashing amber
every 0.5 or 1
second
The monitor is
in the Power
Management
Suspend or
Off state
Press any key on the
keyboard or move the
mouse to restore
operation.
Check the Power
Management software on
your computer.
Power
Management
section on
page 23
Image appears
to be smeared
There are
noises in the
video signal
Run Auto Setup.
If auto setup is not
successful, select IMAGE
LOCK menu in the OSD.
Then select MANUAL to
adjust FINE/COARSE
settings.
.
User
controls
section on
page 14
Image appears
to be
discolored
The Color
setting may
be incorrect
Adjust the Color
settings.
User
controls
section on
page 14
A few dots are
missing,
discolored, or
inappropriately
lighted.
The LCD contains over 2,300,000 thin-
film transistors (TFTs). A small number of
missing, discolored, or lighted dots may be
present on the screen, which is an intrinsic
characteristic of the TFT LCD technology
and is not an LCD defect.
Problem
Possible
Cause
Suggested Action
Reference
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