Troubleshooting - Lenovo Q27q-20 User Manual

Troubleshooting

If you have a problem setting up or using your monitor, you might be able to solve it yourself�
Before calling your dealer or Lenovo, try the suggested actions that are appropriate to your
problem�
Table 3-2. Troubleshooting
Problem
The words "Input Not
Supported" are shown
on the screen, and the
power indicator is
flashing white.
The image quality is
unacceptable�
The power indicator is
not lit and there is no
image�
Screen is blank and
power indicator is
amber�
Possible cause Suggested action
The system is set to a If you are replacing an
display mode which is old monitor, reconnect
not supported by the it and adjust the display
monitor� mode to within the
specified range for your
new monitor�
If using a Windows
system, restart the
system in safe mode,
then select a supported
display mode for your
computer�
If these options do
not work, contact the
Support Center�
The video signal cable Be sure the signal cable
is not connected with is firmly plugged into
the monitor or system the system and monitor�
completely�
The color settings may Select another color
be incorrect� setting from the OSD
menu�
The automatic image Perform automatic
setup function was not image setup�
performed�
• The monitor's power •
switch is not switched
on�
• The power cord is •
loose or disconnected�
• There is no power at •
the outlet�
•
•
The monitor is in • Press any key on the
Standby/Suspend mode�
•
Reference
"Selecting a supported
display mode" on page
2-7
"Connecting and turning
on your monitor" on
page 1-3
"Adjusting your monitor
image" on page 2-3
"Adjusting your monitor
image" on page 2-3
Be sure the power "Connecting and turning
cord is connected on your monitor" on
properly� page 1-3
Be sure the outlet has
power�
Power on the monitor�
Try using another
power cord�
Try using another
electrical outlet�
"Understanding power
keyboard or move management" on page
the mouse to restore 2-8
operation�
Check the Power
Options settings on
your computer�
Chapter 3. 3-3