Lenovo c170 ユーザーガイド

Troubleshooting

If you have a problem setting up or using your monitor, you may be able 
to solve it yourself. Before calling your retailer or 

Lenovo, try the suggested

actions that are appropriate to your problem.

No power to
monitor.

Brightness
and Contrast
may be too
low.

The monitor is
in the Power
Management
Standby state.

Screen is
blank and
power
indicator is off.

Screen is blank
and power
indicator is
steady green.

Screen is blank
and power
indicator is
steady amber.

section on 

page 10.

section on 

page 16.

section on  

page 5.

• Adjust brightness and contrast.

• Press any key on the keyboard

or move the mouse to restore
operation.   

• Check the Power Management

software on your computer.

•  Ensure that the electrical outlet  

and the monitor are both 
switched on.

•  Check that the power cord 

is firmly plugged into the
electrical outlet and the power
supply unit.

•  If the power cord plug has 

a removable fuse, replace it.

•  Try another power cord.

•  Try another electrical outlet.

•  Check the power connection at

the back of the panel.

Display mode of
the computer is
outside the
range of the
monitor

• Reconfigure key on the 

computer to use a supported 
display mode.