Viewsonic VP2290B Manuel D’Utilisation

Before calling your retailer or ViewSonic, find the symptom that most resembles yours, and try the 

suggested action. You may be able to solve the problem yourself.

If you suspect that something is not working correctly, you should:
1.  Turn on the computer and display.
2.  Set the brightness control (

) to the proper position.

3.  Make sure that all cables are securely connected.
4.  Disable the computer’s screen saver program, if it is enabled.
5.  Set the display mode to the supported display mode.
6.  If you still have a problem, go to the symptom list below and find the symptom that 

most resembles yours.

The screen is blank 

and the power 

indicator is off

No power to the 

display

• Make sure that the electrical outlet and the 

display are both switched on.

• Make sure 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.

• The video graphics card is defective. Replace 

it.

• The computer is defective. Replace it.

The screen is blank 

and power indicator 

is steady green

Brightness may be too 

low

Adjust the brightness

The screen is blank 

and the power 

indicator is steady 

amber

The display is in 

Standby mode

• Press any key on the keyboard or move the 

mouse to restore operation.

• Check the Power Management software on 

your computer.

The video cable is not 

connected

• Make sure that the signal cable is firmly 

connected.

• Make sure that no pins are bent in the signal 

cable connector.

• The video graphics card is defective. Replace 

it.

• The computer is defective. Replace it.